东北三省三校(哈师大附中、东北师大附中、辽宁省实验中学)2018届高三第二次模拟考试理综-生物试题
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三校第二次模拟考试物理试题答案22、1.035 1.195(±0.002)(每空3分,共6分)23、乙(2分);22111U R N NR U =;(2分) (连线3分)N :V 1的总格数,N 1:V 1的读出格数,U 2:V 2的读数,R 1:待测表内阻,R 2:V 2表内阻。
(两个表内阻可以用150和30代替)(2分)24、(共14分))12(1.6)11(2)10(2)9(8.0)8(/530sin )7(5.0)6()5(2)4(64)3(2)2(/2)1(4321142322221211122s t t t t t t s a v t s a v t s m mmg a s t vt x x L x s av t m m x ax v s m a ma mg f =+++==∆==∆====∴=-===<=====总总返回传送带向右减速上升和下降时间在斜面上设达到共速μ (1)(3)各2分,其他每点各1分,总分14分25、(共18分)解析:(1)设粒子经PT 直线上的点R 由E 2电场进入E 1电场,由Q 到R 及R 到M 点的时间分别为t 2与t 1,到达R 时竖直速度为v y ,则:由F qE ma == 。
(1)2L= v 0t 2 。
(2)L= v 0t1。
(3)22221t mq E L = ∴ qL mv E 201= 。
(4) A1122t mq E t m q E v y == 21121t mq E MT =。
(5) 上述三式联立解得: L MT 21=。
(6) (4)(5)各2分,其他各1分,共8分(2)欲使粒子仍能从S 孔处射出,粒子运动的半径为r ,则rmv qvB 20=。
(7) ()1122n r a += 21,=n 。
(8) 解得:02(12)mv n B qa+= 21,=n 。
(9) 由几何关系可知T n T T n t )213()622(3+=+⨯⨯=。
哈尔滨师大附中 东北师大附中 辽宁省实验中学2023年高三第二次联合模拟考试数学注意事项:1.答卷前,考生务必将自己的姓名、准考证号填写在答题卡上.2.回答选择题时,选出每小题答案后,用铅笔把答题卡上对应题目的答案标号涂黑.如需改动,用橡皮擦干净后,再选涂其他答案标号.回答非选择题时,将答案写在答题卡上,写在本试卷上无效.3.考试结束后,将本试卷和答题卡一并交回.第Ⅰ卷(选择题共60分)一、选择题(本大题共8小题,每小题5分,共40分.在每小题给出的四个选项中,只有一项符合题目要求的)1.已知集合{}1,2,3A =,{}20B x x x m =-+=,若{}2AB =,则B =( )A.{}2,1B.{}2,4C.{}2,3D.{}2,1-2.已知复数z 满足24i z z +=+,则z =( ) A.34i +B.34i -C.34i -+D.34i --3.已知向量()1,0a =,1,22b ⎛=-⎝⎭,则a b -=( ) A.3C.14.有7名运动员(5男2女)参加A 、B 、C 三个集训营集训,其中A 集训营安排5人,B 集训营与C 集训营各安排1人,且两名女运动员不在同一个集训营,则不同的安排方案种数为( ) A.18B.22C.30D.365.两条直线()0y kx k =>和2y kx =-分别与抛物线24y x =交于异于原点的A 、B 两点,且直线AB 过点()1,0,则k =()A.12B.1D.26.如图,直角梯形ABCD 中,3AB CD =,30ABC ∠=︒,4BC =,梯形ABCD 绕AD 所在直线旋转一周,所得几何体的外接球的表面积为( )A.1123πB.48πC.128πD.208π7.定义在R 上的奇函数()f x 满足()()11f x f x +=-,且在[]0,1上单调递减,若方程()10f x +=在[)0,1有实数根,则方程()1f x =在区间[)1,11-上所有实数根之和是( ) A.6B.12C.30D.568.已知三个互异的正数a ,b ,c 满足2ln cc aa=+,()21ab =+,则关于a ,b ,c 下列判断正确的是( ) A.a b c <<B.a b c >>C.2a c b -<-D.2a c b ->-二、选择题(本大题共4小题,每小题5分,共20分,在每小题给出的选项中,有多项符合题目要求.全部选对的得5分,部分选对的得2分,有选错的得0分)9.函数()sin cos f x x x =+,则下列说法正确的是( ) A.()f x 为偶函数B.()f x 的最小正周期是πC.()f x 在0,2π⎛⎫⎪⎝⎭单调递增 D.()f x 的最小值为1-10.金枪鱼因为肉质柔嫩鲜美、营养丰富深受现代人喜爱,常被制作成罐头食用.但当这种鱼罐头中的汞含量超过1.0mg/kg 时,食用它就会对人体产生危害.某工厂现有甲、乙两条金枪鱼罐头生产线,现从甲、乙两条生产线中各随机选出10盒罐头并检验其汞含量(单位为mg/kg ),其中甲生产线数据统计如下:0.07,0.24,0.39,0.54,0.61,0.66,0.73,0.82,0.95,0.99,其方差为210.08s =.乙生产线统计数据的均值为20.4x =,方差为220.11s =,下列说法正确的是( )A.甲生产线的金枪鱼罐头汞含量数值样本的上四分位数是0.82B.甲生产线的金枪鱼罐头汞含量数值样本的上四分位数是0.775C.由样本估计总体,甲生产线生产的金枪鱼罐头汞含量平均值高于两条生产线生产的金枪鱼罐头汞含量平均值D.由样本估计总体,甲生产线生产的金枪鱼罐头汞含量数值较两条生产线生产的金枪鱼罐头汞含量数值更稳定11.已知正方体1111ABCD A B C D -E ,F 是棱1DD ,1CC 的中点,点M 是侧面11CDD C 内运动(包含边界),且AM 与面11CDD C 所成角的正切值为2,下列说法正确的是( )A.1MC 2B.存在点M ,使得AM CE ⊥C.存在点M ,使得AM ∥平面BDFD.所有满足条件的动线段AM 形成的曲面面积为612.已知函数()()1,*mn f x x m n N x=+∈,下列结论正确的是( ) A.对任意m ,*n N ∈,函数()f x 有且只有两个极值点 B.存在m ,*n N ∈,曲线()y f x =有经过原点的切线 C.对于任意10x >,20x >且12x x ≠,均满足()()121222f x f x x x f ++⎛⎫<⎪⎝⎭D.当0x >时,()()f x f x -≤恒成立第Ⅱ卷(非选择题共90分)三、填空题(本大题共4小题,每小题5分,共20分)13.大气压强p =压力受力面积,它的单位是“帕斯卡”(Pa ,21Pa 1N/m =),已知大气压强()Pa p 随高度()m h 的变化规律是0khp p e -=,其中0p 是海平面大气压强,10.000126m k -=.当地高山上一处大气压强是海平面处大气压强的13,则高山上该处的海拔为______米.(答案保留整数,参考数据ln3 1.1≈) 14.曲线22x y x y +=+围成的图形的面积是______.15.已知双曲线()2222:10,0x y C a b a b-=>>的右焦点为(),0F c ,过点F 且斜率为2的直线与双曲线C 的两条渐近线分别交于M 、N 两点,若P 是线段MN 的中点,且PF =,则双曲线的离心率为______. 16.A 、B 、C 、D 、E 五个队进行单循环赛(单循环赛制是指所有参赛队在竞赛中均能相遇一次),胜一场得3分,负一场得0分,平局各得1分.若A 队2胜2负,B 队得8分,C 队得9分,E 队胜了D 队,则D 队得分为______.四、解答题(本大题共6小题,共70分.解答应写出文字说明、证明过程和演算步骤)17.(本小题满分10分)记ABC △的内角A 、B 、C 的对边分别为a 、b 、c ,已知()21cos 4bc A a +=.(1)证明:3b c a +=; (2)若2a =,7cos 9A =,角B 的内角平分线与边AC 交于点D ,求BD 的长. 18.(本小题满分12分)调查问卷中常常涉及到个人隐私或本人不愿正面回答的问题,被访人可能拒绝回答,即使回答,也不能期望答案是真实的.某小区要调查业主对物业工作是否满意的真实情况,现利用“随机化选答抽样”方法制作了具体调查方案,其操作流程如下:在一个箱子里放3个红球和2个白球,被调查者在摸到球后记住颜色并立即将球放回,如果抽到的是红球,则回答“你的性别是否为男性?”如果抽到的是白球,则回答“你对物业工作现状是否满意?”两个问题均用“是”或“否”回答.(1)共收取调查问卷100份,其中答案为“是”的问卷为60份,求一个业主对物业工作表示满意的概率,已知该小区共有业主500人,估计该小区业主对物业工作满意的人数;(2)现为了提高对物业工作满意的业主比例,对小区业主进行随机访谈,请表示不满意的业主在访谈中提出两个有待改进的问题.(ⅰ)若物业对每一个待改进的问题均提出一个相应的解决方案,该方案需要由5名业主委员会代表投票决定是否可行.每位代表投赞同票的概率均为13,方案需至少3人投赞成票,方能予以通过,并最终解决该问题,求某个问题能够被解决的概率0p ;(ⅱ)假设业主所提问题各不相同,每一个问题能够被解决的概率都为0p ,并且都相互独立.物业每解决一个问题,业主满意的比例将提高一个百分点.为了让业主满意的比例提高到80%,试估计至少要访谈多少位业主? 19.(本小题满分12分)如图,已知斜四棱柱1111ABCD A B C D -,底面ABCD 为等腰梯形,AB CD ∥,点1A 在底面ABCD 的射影为O ,且11AD BC CD AA ====,2AB =,112AO =,1AA BC ⊥.(1)求证:平面ABCD ⊥平面11ACC A ;(2)若M 为线段11B D 上一点,且平面MBC 与平面ABCD 夹角的余弦值为7,求直线1A M 与平面MBC所成角的正弦值. 20.(本小题满分12分) 已知数列{}n a ,设()12*nn a a a m n N n+++=∈,若{}n a 满足性质Ω:存在常数c ,使得对于任意两两不等的正整数i 、j 、k ,都有()()()k i j i j m j k m k i m c -+-+-=,则称数列{}n a 为“梦想数列”. (1)若()2*nn b n N =∈,判断数列{}n b 是否为“梦想数列”,并说明理由; (2)若()21*n c n n N =-∈,判断数列{}n c 是否为“梦想数列”,并说明理由; (3)判断“梦想数列”{}n a 是否为等差数列,并说明理由. 21.(本小题满分12分)已知椭圆()22122:10x y C a b a b +=>>的离心率为3,x 轴被抛物线22:4x C y b =-截得的线段长与1C 长轴长的比为2:3.(1)求1C 、2C 的方程;(2)设2C 与y 轴的交点为M ,过坐标原点O 的直线l 与2C 相交于点A 、B ,直线MA 、MB 分别与1C 相交与D 、E .(ⅰ)设直线MD 、ME 的斜率分别为1k 、2k ,求12k k 的值; (ⅱ)记MAB △、MDE △的面积分别是1S 、2S ,求12S S 的最小值. 22.(本小题满分12分)已知函数()()ln 10f x x ax a =-->.(1)当1a =时,求过原点且与()f x 相切的直线方程;(2)若()()()0axg x x e f x a =+⋅>有两个不同的零点1x 、()2120x x x <<,不等式212mx x e ⋅>恒成立,求实数m 的取值范围.三省三校第二次模拟答案一、单选题二、多选题三、填空题:13、873014、2π+15 16、18.2ln 2ln c c a a -=-考虑:()()2ln 0f x x x x =->,则()221x f x x x-'=-= ()f x 在()0,2递减;()f x 在()2,+∞递增()()()min 221ln 20f x f ==->(1)当02a <<,2c >时,21a+=设()x xg x =+,是减函数,且()21g =()()2121aaag a g b a =+>=⇒=+>⇒> 2212152a b =+<+=⇒<所以,22c b a a c b >>>⇒->-(2)当02c <<,2a >时,同理可得:22a b c a c b >>>⇒->- 综上可得:2a c b ->-成立. 12.如图:(1)在第一象限+都是凹函数(二阶导数大于零) (2)图二、图三有过原点的切线 (3)极值点的个数是一个或两个(4)当m ,n 同奇数或同偶数时,()()f x f x =-;当m ,n 是一奇,一偶数时,()()f x f x >-; 15.设()11,M x y ,()22,N x y ,()00,P x y2211222222222200MN OP x y b a b k k a x y a b ⎧-=⎪⎪⇒⋅=⎨⎪-=⎪⎩,则OP 的方程为222b y x a =,MN 的方程为:()2y x c =- ()222224242P b y xa c x c OP e a ab y xc ⎧=⎪⇒==+⇒=⎨-⎪=-⎩16.A 队:2胜2负(无平局) C 队:3胜1负(无平局)B 队:2胜2平,则B 队和D 、E 是平局;B 队胜了A 、C这样找到了C 队负的一场,输给B 队 这样B 、C 结束;A 队赢D 、E 最后,E 胜D ,则D 的1分.四、解答题17.(本题满分10分)(1)证明:()222221cos 4142b c a bc A a bc a bc ⎛⎫+-+=⇒+= ⎪⎝⎭()229b c a +=,则3b c a +=……5'(2)由余弦定理得:2222cos a b c b A =+-,则9bc =,又3b c a +=,则3b c ==由角分线可得,95AD =所以,在ABD △中,由余弦定理得:2222cos BD AD c AD c A =+-⋅,BD =10'18.(本题满分12分)(1)记:事件A =“业主对物业工作表示满意”,则()()2316035521004P A P A ⋅+⋅=⇒= 所以,35003754⨯=(人)……4' 答:该小区业主对物业工作表示满意的人数约为375人.(2)(ⅰ)3245345055512121173333381P C C C ⎛⎫⎛⎫⎛⎫⎛⎫=⋅+⋅+= ⎪ ⎪ ⎪ ⎪⎝⎭⎝⎭⎝⎭⎝⎭……8' (ⅱ)设至少要访谈n 位业主31738101280%10047.6481417n n ⎛⎫⎛⎫⋅-⋅⋅≥-⨯⇒≥≈ ⎪ ⎪⎝⎭⎝⎭答:至少要访谈48位业主.……12' 19.(本题满分12分)(1)证明:等腰梯形ABCD 中,2AB =,1BC CD AD ===则,60ABC ∠=︒……2'1BC ACBC BC AA ⊥⎧⇒⊥⎨⊥⎩平面11A ACC ,BC ⊂平面ABCD ,则平面ABCD ⊥平面11A ACC ,……4' (2)建立如图所示空间直角坐标系C xyz -,则)A,()0,1,0B,2O ⎛⎫ ⎪ ⎪⎝⎭,1122A ⎛⎫ ⎪ ⎪⎝⎭,131,0222CD BA ⎛⎫==-⎪ ⎪⎝⎭ 1133,022B DBD ⎛⎫==- ⎪ ⎪⎝⎭,1112DD AA ⎛⎫== ⎪ ⎪⎝⎭,1110,,22D⎛⎫- ⎪⎝⎭ 设111,0D M D B λ⎛⎫== ⎪ ⎪⎝⎭,131,,222M λ⎛⎫-+ ⎪ ⎪⎝⎭ (6)'设平面MBC 的法向量为(),,n x y z =131022220n CM y z n CB y λλ⎧⎛⎫⎧⋅-++=⎪⎪ ⎪⇒⎨⎨⎝⎭⋅⎪⎪⎩=⎩,取1x =,则()1,0,n =-……8' 取平面ABCD 的法向量()0,0,1m =221cos ,417m n m n m nλ⋅==⇒=,则12λ= 即:11,04A M ⎛⎫= ⎪⎪⎝⎭,1,0,n ⎛= ⎝⎭……10' 设直线1A M 与平面MBC 所成的角为θ,则1113sin cos ,7A M n A M n A M nθ⋅===⋅所以,直线1A M 与平面MBC……12' 20.(本题满分12分)(1)()()()k i j i j m j k m k i m c -+-+-=()()()k j i j i m i k m k j m c -+-+-=所以,0c =当2nn b =时,12m =,23m =,3143m =()()()142612232313033-+-⋅+-⋅=≠所以,{}n b 不是“梦想数列”……4' (2)21i a i =-,21j a j =-,21k a k =-()()()2220k i j i j j k k i k i j-+-+-=所以,{}n c 不是“梦想数列”……6'(3)①令1i =,2j =,3k = ()()()1231121223310312a a a a a a +++-+-+-= 所以,1322a a a +=,即:1a 、2a 、3a 成等差数列……8' ②令1i =,2j =,()3k n n =≥ ()()()21122102n S S n a n n -+-+-= ()()2122310n S n n a n n a +---= ()()21122210n S n n a n n a ++---+= 所以,11121122220n n a na a na a a nd +++--=⇒=+ 所以,()()114n a a n d n =+-≥,当1,2,3n =时也成立. 综上可得,“梦想数列”{}n a 是等差数列. ……12' 21.(本题满分12分)(1)椭圆方程:()222210x y a b a b+=>>13323c b a a ⎧=⎪=⎧⎪⇒⎨=⎩=,所以,221:19x C y +=,221:14C y x =-……4' (2)设直线l 的方程为y kx =,()11,A x y ,()22,B x y22440114y kxx kx y x =⎧⎪⇒--=⎨=-⎪⎩,则121244x x k x x +=⎧⎨⋅=-⎩……6' 又111114y x k x +==,12121164x x k k ==- 联立122114014y k x x k x x y =-⎧⎪⇒-=⎨=-⎪⎩,则114x k =,同理:224x k = 联立()1221122191180990y k x k x k x x y =-⎧⇒+-=⎨+-=⎩ 13211891k x k =+,同理:24221891k x k =+……8' ()()2211221sin 429191181sin 2MA MB AMBS k k S MD ME DME ∠==++∠……10' 2121481916919811616324k k ⎛⎫=+++≥ ⎪⎝⎭,当且仅当112k =±时,取等号 所以,12S S 的最小值为169324. ……12' 22.(本题满分12分)(1)()f x 的定义域为()0,+∞ ()111f x a x x'=-=- 设切点坐标()000,ln 1x x x -+,则切线方程为:()()00001ln 11y x x x x x ⎛⎫--+=--⎪⎝⎭把点()0,0带入切线得:20x e =所以,()f x 的切线方程为:221e y x e-=……4' (2)()()ln 1axg x x ex ax =+--有两个不同零点,则()()()ln ln 10ln 1ln 10ax x ax ax xx e x ax x ax e x ax e-+--=⇒+--=+--=……6' 构造函数()1xu x e x =+-,()1xu x e '=+()u x 为(),-∞+∞增函数,且()00u =即:ln 0x ax -=有两个不等实根1122ln ln ax x ax x =⎧⎨=⎩令1122ln ln x x t x x ==,()01t <<,则12ln ln x t x =,12ln ln ln x x t =+ 122ln 2ln ln 1t x x t t ++=-……8' 设()()2ln 011x v x x x x +=<<-,()()22123ln 1x x v x x x x ⎡⎤+-'=-+⎢⎥-⎣⎦ 设()23ln 1x x x xφ=-+-+,()()()212x x x x φ--'= ()x φ在()0,1递增,()10φ=,则()v x 在()0,1递减,且()10v =所以,()v x 的最小值()1v ,……10' ()()()112ln lim 2ln 31x x x x x x x =→+'=+=-所以,()v x 的最小值为3,即:m 的取值范围为(],3-∞. ……12'。
东北三省三校(哈师大附中、东北师大附中、辽宁省实验中学)2018届高三语文第二次模拟考试试题一、现代文阅读(35分)(一)论述类文本阅读(本题共3小题,9分)阅读下面的文字,完成1~3题。
陆上和海上两条丝绸之路先后开通后,作为中国传统文化的代表——中国艺术厦其精神随之传至世界各地,并为世界艺术发展贡献着智慧。
《中国艺术如何影响世界》一书,主要将中国绘画艺术置于西方绘画艺术的坐标系中,从“末学西渐”的角度重点审视和探讨了中国艺术时世界艺术的影响和贡献。
本书认为西方一部分有重要影响的画家,之所以在创作中能取得辉煌的成就,都直接或间接地受到了中国绘画的深刻影响。
传统西方绘画用面表现物象,而中国绘画用线表现物象,空中的云、河中的水本来无线.但画家都用线条来表现。
至近现代,西方画家的作品凡有新意者,大多是改面为线而创作的,这是画家们借鉴中国绘画艺术得来的益处。
中国绘画艺术对世界艺术的影响,说到底是对中国之外的绘画创作者及其作品的影响。
本书中,作者以毕加索的画作为例展开论述。
毕加索早期的绘画以写实为主,但后来,他的画作以线条作为绘画的语言,笔法写意,绘画风格由具象转为抽象,实现了从画“形”到画“意”的转变。
这和他长期临摹中国画和倾心于中国绘画所倡导的价值追求颇有关系,毕加索曾赞许遭“谈到艺术,第一是你们中国人的艺术”。
而用线条造型,正是中国绘画艺术影响到和区别于其他风格绘画艺术的显著标志。
本书认为,西方绘画注重科学原理,中国绘画则更讲究哲学精神。
因此,西方绘画重在写形,强调视觉享受或冲击力:而中国绘画重在写心、畅神,强调人格的修炼、性情的抒发、思想的表达。
也就是说,在中国绘画理论视域中,绘画不过分强调描绘对象的真实与否,即不仅要画见到的“实”的东西,同时还要画见不到的和那些想象的“虚”的东西。
西方画家们仅在近一百年前,才领会其奥妙,而中国的画家们,一千多年前就已经在创作中自觉践行了这种理论。
笔者认为,深入挖掘中国艺术对世界艺术的影响和贡献迫在眉睫。
第二次模拟考试答案_物理(2)A D (2分,各1分) 23.(1)R 2(3分) (2)3A (0~3A )(3分) (3)(3分)限流供电,r2与电压表串联测电压,电流表内接 (4)12.0(2分) 24. 解分)(分)(分)分)(分)分))(分)分)分)分)(2242BC 11(222tan /H 1(1(21H 21(2P 2(P 1(2)2(21122h x vt x ght x vt x gt gh m g m gv gh v m v m gh m m ===========θ25. 解(1)由于带电粒子偏转,PQ 极板上将带上电荷,设电压为U ,则极板MN 间的电压也为U ,当带电粒子在PQ 极板间做匀速运动时,有q dU B qv =10,(2分) 若在荧光屏Y 上只有一个亮点,则负电荷不能通过极板MN 。
2021mv Uq ≥,(2分) 解得mqdB v 102≤(2分) (2)荧光屏上有两个亮点,则mqdB v 102>(2分),在此条件下, q dUB qv =10,得01v dB U =对正电荷,设到达B 2中后速度为1v ,则20212121mv mv Uq -=(2分) 设做圆周运动的半径为R 1,则12121R mv B qv =,(2分)得mqv dB mv qB mR 0120212+=对负电荷,设到达B 2中后速度为2v ,则20222121mv mv Uq -=-(2分) 设做圆周运动的半径为R 2,则22222R mv B qv =,(2分)得mqv dB mv qB mR 0120222-=所以,正、负两种电荷形成的亮点到荧光屏上小孔的距离之比为qv dB m v qv dB m v R R d d 0120012021212222-+==(2分) 33.(1)BD(2) (1)活塞刚离开卡口时,对活塞mg +P 0S =P 1S 得P 1 =P 0+mgS(2分)两侧气体体积不变,右管气体 P 0T 0=P 1T 1得T 1=T 0(1+mgP 0S ) (3分)(2)左管内气体,长度为L 23,压强为:P 2= P 0+mg S +ρgL (2分)应用理想气体状态方程2023T SL P T LSP = 得T 2=3T 02P 0(P 0+mg S +ρgL )(3分)34.(1)B (2)解分)(分2/103/)3(8s m v nc v v cn ⨯===S=362L π (5分)35. (1)BCD(2)解:(1)当弹簧再次恢复原长时a 滑块的速度达到最大, 设a 滑块的最大速度为1v ,a 滑块能达最大速度时b 滑块的速度为2v 由题意得:02v m I = ①112202v m v m v m += ②211222202212121v m v m v m += ③ 解得:210212122m m Iv m m m v +=+=④ (2)两滑块间有最大距离时,两滑块的速度相等。
东北三省三校(哈师大附中、东北师大附中、辽宁省实验中学)2016届高三第二次模拟语文试卷第Ⅰ卷阅读题甲必考题一、现代文阅读(9分,每小题3分)阅读下面的文字,完成1~3题。
经典的定义也无须再做论证,套用库切《何谓经典》中说的话,那些“历经最糟糕的野蛮攻击而得以劫后余生的作品就是经典”。
当然,撇开其讲演的特殊语境,那些历经后人最诚挚的颂扬而光景常新的作品,无疑也在其列。
越是越出惯常的理解,不能仅将经典局限在古今中外的文学名著上,许多人文社科类著作,包括一部分自然科学著作,因对人的处境有真切的关心,对人生在这个世界上的命运有深刻周彻的肯认,对人内心经验有感同身受的体谅,并精鹜八极,鞭辟入里,也都是经典,都应成为我们阅读的重点。
传统人文社科类经典大多着力于揭示人与世界的终极奥旨,字里行间,洋溢着个人与人类及宇宙深切的同体感。
那种既重视个体世间安顿,又时时仰望精神天空,不懈追索两者相携相成的执着与热忱,还有让一己放心落下的同时,努力让人类全体身心和谐的高尚追求,是人自身全部尊严的最好注释。
其中,作为“知识之王”的哲学经典,尤其具有范式意义,尤应认真阅读和了解。
一方面,它强调主体的自由出场和自我证明,故在根本处与文学艺术相近。
好的艺术经典以形象诠释人生,好的哲学经典(有时包括宗教经典)则以抽象演绎人生。
它们探讨的虽是“宇宙秩序”,但归结在“生活秩序”,面对同一个世界,回答同一个问题,所以可相资相益,相互参证。
这也是许多时候,一个哲学家同时又是一个诗人的原因。
另一方面,又不能不认识到,这个出场和证明有其更决绝的姿态和更犀利的表达。
它不以叙述性的描写渲染为满足,而重在反思与究问,并且在本原性的究问方面有时还远胜于科学,故更能体现主体思考的问道特性。
对科学来说,主要是答案;对哲学来说,主要是问题。
它提出和究原这些问题,并让你在这种追究中做成一个真正的“知识分子”,以自己的自由意志来裁量事理,度衡一切,有解构的冲动和批判的本能,是为“君子不器”。
离子方程式1.( 2018 届天津市河西区高三第三次模拟考试)下列各组离子能大量共存,且当加入试剂后反应的离子方程式书写正确的是()选项离子组加入试剂发生反应的离子方程式A3+-、 Cl-NaOH 溶液3++ 3OH-=Fe(OH) 3↓Fe、 I FeB K +、 ClO -、 SO42-盐酸H+ +ClO - =HClOC K +、 OH -、 Cl -过量 SO2SO2+ OH -=HSO 3-DH+、 Fe2+、 SO42-3 2 溶液SO42-+ Ba 2+ =BaSO4↓Ba(NO )2.( 2018 届江苏省盐城市高三第三次模拟考试)下列指定反应的离子方程式正确的是()A. MnO 2与浓盐酸混合加热:MnO 2+4H ++4Cl -MnCl 2+Cl 2↑O+2H--B. NaAlO 2溶液中通入过量 CO2: AlO 2 +CO 2+2H 2O=Al(OH) 3↓+HCO3C. FeSO4溶液中加入盐酸酸化的H 2O2:Fe2++H 2O2+2H +=Fe3++2H 2OD. Ca(HCO 3)2溶液中加入过量氨水: Ca2+-↓ +H++HCO 3 +NH 3·H2O=CaCO 32O+NH 43.( 2018 届江苏省苏锡常镇四市高三调研)下列指定反应的离子方程式正确的是A. 氯气通入水中+--: Cl 2+H 2O2H +Cl +ClOB. 向苯酚浊液中滴加Na2CO3溶液 :2C6H5OH+CO 32- =2C6H 5O-+H 2O+CO 2↑C. 向偏铝酸钠溶液中加入--2-NaHCO 3溶液 : AlO 2+HCO 3 +H 2O=Al(OH) 3↓ +CO3D. 碳酸氢铵溶液中加入足量NaOH 溶液共热 : NH 4+ +OH -NH 3↑ +H2O4.( 2018 届江苏省南通市高三第三次调研测试)下列指定反应的离子方程式正确的是A. 电解熔融NaCl : 2Cl-+2H 2O2OH -+ Cl 2↑+ H 2↑B.用氨水溶解 AgCl 沉淀: Ag ++ 2NH 3·H 2O= [Ag(NH 3 )2] ++ 2H 2OC.Na2CO3溶液吸收溴蒸气: 3CO32-+ Br 2=Br -+ BrO 3-+ 3CO2D.金属钠与水反应: 2Na+ 2H 2O= 2Na++ 2OH -+ H2↑5.(江苏省南京市2018 届高三第三次模拟考试)常温下,下列各组离子在指定溶被中一定能大量共存的是3+2+--A. 澄清透明的溶液中: Fe ,Ba、 NO 3、 ClB. 使酚酞变红色的溶液中:Na+、 NH 4+、 C1-、 SO42-C. c(Al 3+)=0.1mol/L的溶液中 :K +、 Mg 2+、 SO42-、 AlO 2-D. 由水电商产生的c(H + )=10-13mol/L 的溶被中 :K +、 Na+、CH 3COO -、 NO 3-6.( 2018 届江苏省南京市高三第三次模拟考试)下列指定反应的离子方程式正确的是A. 将饱和 FeCl3溶液滴入沸水中制备3++ Fe(OH) 3胶体: Fe +3H2O=Fe(OH) 3↓+3HB. 向硫酸铝溶液中滴加过量氨水:2Al3++6NH 3·H 2O=2Al(OH)↓ +6NH+34C. 向 Na ClO 溶液中通入过量的 SO2: SO2+ClO -+H 2O=HSO 3- +HClOD. 向 (NH 4)2Fe(SO4 )2溶液中滴加过量2+-NaOH 溶液: Fe +2OH =Fe(OH) 2↓7.( 2018 届山东省泰安市高三第二次模拟考试)下列有关离子方程式或离子共存的叙述正确的是A. 用肥皂 (主要成份C17H 35COONa) 水检验含有较多钙离子的硬水:2C17H 35COO -+Ca2+===(C 17H35COO)2Ca↓B.将磁性氧化铁溶于氢碘酸: Fe3O4 +8H +=2Fe3++Fe2++4H 2OC.常温下,在=0.1 的溶液中: Na+、 K +、 SO42-、 HCO 3-能大量共存D.在 NaC1O 溶液中: SO32-、 OH -、 C1-、 K +能大量共存8.( 2018 届江苏省泰州中学高三下学期学业水平测试模拟三)下列反应的离子方程式书写正确的是A. 过量 SO2通入氢氧化钙溶液中:﹣﹣OH+SO 2═ HSO3+2+B.碳酸钙与足量醋酸反应: CaCO3+2H ═ Ca +H 2O+CO 2↑C.氯化铝溶液与过量氨水反应: Al 3++4NH 3?H2 O═ AlO2﹣ +4NH 4++2H 2O+3+D.铁与稀硫酸溶液反应: 2Fe+6H ═ 2Fe +3H 2↑9.( 2018 届湖北省荆州中学高三 4 月月考)下列解释事实的方程式正确的是()A. 电解饱和食盐水,产生黄绿色气体:2NaCl + 2H 2O2NaOH + H 2↑ + Cl2↑B. 用 Na2CO3溶液将水垢中的CaSO4转化为 CaCO3: CO32- + Ca2+ ==== CaCO 3↓C. 浓氨水检验泄露的氯气,产生白烟:2NH 3 + 3Cl 2 === 6HCl + N 2D. 铜丝溶于浓硝酸生成绿色溶液:3Cu + 8H + + 2NO 3-3Cu2+ + 2NO↑ + 4H2O10.( 2018 届福建省厦门市双十中学高三第八次能力考试)工业碳酸钠 (纯度约为 98%)中含有 Mg 2+2+、、FeCl-和 SO42-等杂质,提纯工艺流程如下:下列说法不正确的是...A.步骤①,通入热空气可加快溶解速率2+3+-↓ + Fe(OH)↓B. 步骤②,产生滤渣的离子反应为:Mg+ Fe+ 5OH == Mg(OH) 23C.步骤③,趁热过滤时温度控制不当会使Na2CO3?H2O 中混有 Na2CO3?10H2O 等杂质D.步骤④,灼烧时用到的主要仪器有铁坩埚、泥三角、三脚架、酒精灯11.( 2018 届湖南省衡阳市第八中学高三第三次质检)向FeCl3、Al2(SO4)3的混和溶液中逐滴加入Ba(OH) 2(aq),形成沉淀的情况如下图所示。
东北三省三校(哈师大附中、东北师大附中、辽宁省实验中学)2016届高三第二次模拟语文试卷答案1.D2.C3.C4.B5.B6.C7.(1)君主遭忧是臣子的耻辱,按道义应当如此(或“这样”),反而凭借这个接受赏赐吗?(2)高宗不断告知辅弼大臣宽慰爱惜民力,大概是惩戒于秦桧的苛刻政治,希望这样使百姓安定。
8.首联运用用典、对比手法。
(2分)首先,诗人借司马相如的典故来写老友的才华横溢;整联又将高才与不遇形成鲜明的对比,一是“凌云”,一是“陆沉”。
(2分)从而表达了作者对朋友怀才不遇的同情和愤懑(或对执政者的谴责)。
(1分)9.①才华横溢,位沉下僚:首句说老友有像司马相如那样的才华却只是身处下僚。
(2分)②迫于生计,委身官场:“头白眼花”却仍奔走仕途,“儿婚女嫁”之后,才可挂冠归去。
写友人为官是迫于生计,非其本愿,见出他的品格。
(2分)③壮心犹在,盛年已逝:“心犹未死”,说明内心仍有所追求;“春不能朱镜里颜”,春天能使万物复苏,但不能恢复他青春的红颜。
(2分)10.(1)吾师道也,夫庸知其年之先后生于吾乎(2)所守或匪亲,化为狼与豺(3)瀚海阑干百丈冰,愁云惨淡万里凝。
11.(1)①小说采取插叙方式,以公司的六个小伙子之所以约“德哥”去关外一日游为主线,插叙了多年前主人公当兵时的一段故事。
(2分)②平缓客观的叙述语调使小说看似水波不兴,但与追忆人的世事沧桑的主观情绪交织,却使小说暗涌波澜,别有意味。
(2分)③小说把笔墨多用于概述六个小伙子的故事,却更能衬托出主人公“德哥”的心境。
(1分)(2)①为人热心诚恳,古朴开朗。
看他下了长途汽车,主动问他去哪,在他等待过程中热心相待等。
②兢兢业业,责任心强。
已是寒冷的初冬,天色已晚,环境恶劣,依然坚守。
③做事讲方法、有条理。
经过汉子的“调教”,驴子训练有素,每头驴专管前往一个村子,把客人送到后,自动返回。
④坚守原则。
知道“他”是解放军,说什么也不肯收脚力钱。
(3)第一处:①交代了故事发生的时间、季节以及严寒的气候条件。
一、单选题1. 甲、乙两物体做直线运动的v-t 图象如图所示,下列说法正确的是()A .甲、乙两物体都做匀速直线运动B .甲、乙两物体都做匀加速直线运动C .甲物体都做匀速直线运动,乙物体静止D .甲物体做匀加速直线运动,乙物体做匀速直线运动2. 物理学是一门以实验为基础的科学,以下说法正确的是A .光电效应实验表明光具有波动性B .电子的发现说明电子是构成物质的最小微粒C .居里夫人首先发现了天然放射现象D .α粒子散射实验是原子核式结构理论的实验基础3. 某同学用图甲的装置探究摩擦力的变化情况。
水平桌面上固定的力传感器,通过水平棉线拉住物块,物块放置在粗糙的长木板上,长木板左端固定的细绳跨过光滑滑轮悬挂一小桶。
从开始,断断续续往小桶中缓慢加水,传感器记录的图像如图乙所示。
不考虑水平桌面与木板间的摩擦,下列判断正确的是( )A .t 1~t 2内,物块受到的是滑动摩擦力B .0~t 3内,小桶中的水量时刻在增加C .t 3~t 4内,木板的加速度逐渐增大D .t 4~t 5内,木板一定做匀速运动4. 某一物体做直线运动,其速度随时间变化的v-t 图像如图所示.下列说法正确的是( )A .在t =36s 时,物体速度的方向发生了变化B .在0-44s 内,bc 段对应的加速度最大C .在36s-44s 内,物体的加速度为-6m/s 2D .在36s-44s 内,物体的位移为192m5. 排球是我们三中的体育特色。
某同学在体育课上进行排球训练,一次垫球时,他用双臂将排球以原速率斜向上垫回,球在空中运动一段时间后落地。
不计空气阻力,下列说法正确的是( )2024届东北三省三校(哈师大附中、东北师大附中、辽宁省实验中学)高三下学期二、多选题A .垫球过程该同学对球做功不为零B .垫球过程该同学对球做功为零C .球在上升过程中处于超重状态D .球在下落过程中处于超重状态6. 已知如图所示为穿过匝数n =100的线圈的磁通量F 随时间t 按正弦规律变化的图像,其产生的电压为交变电压(π=3.14)。
专题12 函数的极(最)值问题【经典例题】例1【2017课标II ,理11】若2x =-是函数21()(1)x f x x ax e -=+-的极值点,则()f x 的极小值为( ) A.1- B.32e -- C.35e - D.1 例2【2018届湖北省黄冈、黄石等八市高三3月联考】已知函数(1)当时,求的极值;(2)若有两个不同的极值点,求的取值范围;例3【2018届江苏省淮安市等四市高三上一模】已知函数.⑴当时,求函数的极值;⑵若存在与函数,的图象都相切的直线,求实数的取值范围.例4【2018届福建省厦门市高三下第一次检查(3月)】已知函数,其中为自然对数的底数. (1)当时,证明:;(2)讨论函数极值点的个数.例5【2017北京,理19】已知函数()e cos x f x x x =-.(Ⅰ)求曲线()y f x =在点(0,(0))f 处的切线方程;(Ⅱ)求函数()f x 在区间π[0,]2上的最大值和最小值.例6【2018届北京市人大附高三十月月考】已知a 是实数,函数()()2f x xx a =-(Ⅰ)若()13,f '=求a 的值及曲线()y f x =在点()()1,1f 处的切线方程;(Ⅱ)求()f x 在区间[]0,2上的最小值.【答案】(1) 0.a = 320.x y --= (2)见解析.例7【2018届北京市城六区高三一模】.已知函数(I)当时,求函数的单调递增区间;(Ⅱ)当时,若函数的最大值为,求的值.例8【2018届北京市清华附中高三十月月考】已知()()320f x ax bx cx a =++≠在1x =±时取得极值,且()11f =-.(Ⅰ)试求常数a , b , c 的值;(Ⅱ)求函数()f x 在[]0,2x ∈上的最大值.例9【2018届北京市首师大附高三十月月考】已知函数()()()322111.32f x x x x a x x a R ⎛⎫=-++--∈ ⎪⎝⎭(Ⅰ)若1x =是()f x 的极小值点,求实数a 的取值范围及函数()f x 的极值; (Ⅱ)当1a ≥时,求函数()f x 在区间[]0,2上的最大值. 例10【2018届陕西省榆林市二模】已知函数,.(1)若时,求函数的最小值;(2)若函数既有极大值又有极小值,求实数的取值范围.【答案】(1);(2).【精选精练】1.【2018届安徽省安庆市2018届高三二模】已知函数()()2ln xf x ef e x e'=-(e 是自然对数的底数), 则f (x )的极大值为( )A. 2e-1 B. 1e -C. 1D. 2ln22.【2018届福建省三明市第一中学高三下开学】函数在的最小值是( )A. B. 1 C. 0 D.3.【2018届广东省茂名市五大联盟学校高三3月联考】已知函数 (其中,为自然对数的底数)在处取得极大值,则实数的取值范围是( ) A.B.C.D.4.【2018届海南省高三第二次联考】若1x =是函数()()ln xf x e a x =+的极值点,则实数a =__________.5.【2018届北京市北京19中高三十月月考】已知函数()y f x =的导函数有且仅有两个零点,其图像如图所示,则函数()y f x =在x =______________处取得极值.6.【2018届东北三省三校(哈师大附中、东北师大附中、辽宁省实验中学)高三一模】\已知函数,是函数的极值点,给出以下几个命题:①;②;③;④;其中正确的命题是______________.(填出所有正确命题的序号)7【2018届北京市清华附中高三十月月考】设函数()ln f x x a x =-(其中a R ∈).(Ⅰ)当1a =时,求函数()f x 在1x =时的切线方程; (Ⅱ)求函数()f x 的极值.8.【2018届北京市丰台区高三一模】已知函数()()()=e ln 1xf x a x a R -+∈.(Ⅰ)求曲线()y f x =在点()()1,1f 处的切线方程; (Ⅱ)若函数()y f x =在1,12⎛⎫⎪⎝⎭上有极值,求a 的取值范围.9.【2018届江西省上饶市高三下二模】设函数()22ln x e kf x k x x x=++(k 为常数, 2.71828e =为自然对数的底数).(1)当0k ≥时,求函数()f x 的单调区间;(2)若函数()f x 在()0,3内存在三个极值点,求实数k 的取值范围. 10.【2018届北京市城六区高三一模】已知函数()1e ln x f x a x x ⎛⎫=⋅++ ⎪⎝⎭,其中a R ∈. (Ⅰ)若曲线()y f x =在1x =处的切线与直线exy =-垂直,求a 的值; (Ⅱ)当()0,ln2a ∈时,证明: ()f x 存在极小值. 11【2018届北京师范大学附中高三下二模】已知函数,其中,为自然对数底数.(1)求函数的单调区间; (2)已知,若函数对任意都成立,求的最大值.12.【2018届新疆维吾尔自治区高三二模】已知函数()1xf x e ax =++(a R ∈).若0x =是()f x 的极值点.(I )求a ,并求()f x 在[]2,1-上的最小值;(II )若不等式()'1xkf x xe <+对任意0x >都成立,其中k 为整数, ()'f x 为()f x 的导函数,求k 的最大值.。
注意事项:1.答题前,考生须将自己的班级、姓名、学号填写在答题卡指定位置上;2.回答选择题时,选出每小题答案后,用2B铅笔把答题卡上对应题目的答案标号涂黑。
如需改动,用橡皮擦干净后,再选涂其他答案标号。
3.回答非选择题时,请使用0.5毫米黑色字迹签字笔将答案写在答题卡各题目的答题区域内,超出答题区域或在草稿纸、本试题卷上书写的答案无效。
4.保持卡面清洁,不要折叠、不要弄皱、弄破,不准使用涂改液、修正带、刮纸刀。
本试卷分第Ⅰ卷(选择题)和第Ⅱ卷(非选择题)两部分,满分150分,考试用时120分钟。
第Ⅰ卷选择题(共90分)第一部分听力 (共两节,满分20分)第一节(共5小题;每小题1分,满分5分)听下面5段对话。
每段对话后有一个小题,从题中所给的A、B、C三个选项中选出最佳选项。
听完每段对话后,你都有10秒钟的时间来回答有关小题和阅读下一小题。
每段对话仅读一遍。
例:How much is the shirt?A. £ 19. 15.B. £ 9. 18.C. £ 9. 15.答案是C。
1. How much should the man pay in total?A. $100.B. $110.C. $115.2. When does the conversation take place?A. At 5:30.B. At 6:00.C. At 6:30.3. Where will the speakers have their picnic?A. On a rock.B. On the grass.C. In a boat.4. Why does the girl talk with the man?A. To send an invitation.B. To seek for help.C. To ask for permission.5. What are the speakers talking about?A. The woman’s family.B. A trip.C. A picture.第二节(共15小题;每小题1分,满分15分)听下面5段对话或独白。
考点20 河流侵蚀地貌与堆积地貌考点热度★★★★☆1.河流侵蚀地貌河流在流动过程中,会破坏和搬运地表物质,形成侵蚀地貌。
〖技巧点拨〗如何分析河水对两岸的侵蚀作用?若河道平直,河水对两岸的侵蚀作用要考虑地转偏向力,即北半球右岸侵蚀、左岸堆积,南半球左岸侵蚀、右岸堆积。
若河道弯曲,河水对两岸的侵蚀作用要考虑凹岸侵蚀,凸岸堆积。
2.河流堆积地貌被河流搬运的物质,在河流搬运能力减弱的情况下,会沉积下来,形成沉积地貌。
〖特别提示〗河流堆积地貌不仅存在于河流中下游地区,当河流冲出山口时,由于地势逐渐趋向平缓,水流速度放慢,河流搬运的物质堆积下来,形成洪(冲)积扇,多个洪(冲)积扇连接形成洪积—冲积平原。
[图文拓展]1.洪积—冲积平原地貌以谷口为顶点呈扇形,冲积扇顶端到边缘地势逐渐降低,堆积物颗粒由粗变细。
2.三角洲地貌多呈三角形,地势平坦,河网稠密,河道由分汊顶点向海洋呈放射状。
考向一不同河段河流地貌的类型及成因读下面两幅图,完成1—3题。
1.图示河流地貌形成的原因,主要是河流的①侵蚀作用②搬运作用③溶蚀作用④堆积作用A.①②B.②④C.②③D.①④2.乙图所示地形剖面对应甲图中的A.①④B.②④C.①③D.③④3.河谷从发育初期到成熟期,下列说法正确的是A.河流的侧蚀作用减弱,下蚀作用加强B.河流在凹岸堆积,在凸岸侵蚀C.河湾不断地向两侧扩展,使河谷展宽D.河谷横剖面由“U”形变为“V”形。
【答案】1.D 2.C 3.C考向二河流流向的判断1.根据一条等高线,判定河流流向河流在山谷中流动,河流流经处的地势比两侧低。
只要知道一条等高线的弯曲状况,就可以确定河流的流向,即河流流向与等高线的弯曲方向相反。
2.根据湖泊或水库上下游的水位变化曲线判定河流流向湖泊或水库对河流径流有调节作用,所以湖泊或水库下游的河流年径流量比较稳定,水位变化曲线的起伏较小。
3.根据河床的深浅判定河流流向在河岸弯曲处,受水流的冲刷,凹岸河床较深,而凸岸往往形成河漫滩,即河床较浅;在河岸平直处,受地转偏向力的作用,北半球右岸河床较深,左岸则较浅,南半球正好相反。
【题文】阅读下面的材料,根据要求写作。
在互联网+的时代,站在这个瞬息万变的美丽新世界的入口,人人都害怕被时代悄无声息地抛弃或遗忘,于是我们看到微信群里风起云涌,朋友圈里一切皆可晒,说说空间微博分秒必争高效刷屏,各种自拍照片小视屏充斥网络,点赞评论互动乐此不疲……不少人纷纷用视觉的冲击祈求他人的驻足回眸。
“存在感”这个词一夜而火。
对于上述社会现象,有人说存在感是人的本能需求,人人都需要被重视和认可,并得到社会的广泛关注,这无可非议;有人说“为了获得认可,个体愿意抛弃是非,用智商去换取那份让人备感安全的存在感”;还有人说,真正的存在感不是刷出来的,是来自于强大而自信的内心,如果内心丰盈充实,自然就不会过度寻求别人的关注。
对此你有什么思考,请结合出来内容及含义作文。
要求自选角度,明确文体,自拟标题,不要套作,不得抄袭,不少于800字。
【答案】存在感谁是中国最可怜的人?孔子。
鲁迅在《在现代中国的孔夫子》一文中将“可怜”二字送给了孔子。
孔夫子的角色一度地被揉捏、涂抹以至变形、神化,伴随而来的还有他无所不在的“存在感”。
乃至到今日,这种“存在感”仍居高不下,甚至愈演愈烈。
从一座座新建的孔庙,到课本中越来越多的儒家经典,再到在国外炒的红火的孔子学院,无处不彰显其“存在感”。
可我想,这种浮于表面的存在感,终究还是走不到人们心里去的吧。
存在感,单从整个词来看,可能就显得有些空洞了。
但若用拆字法来理解,或许还是重“感”不重“在”的。
当一种精神、一种思想、一个人,不再被泛泛而谈而是被潜藏内心,那么他就有了存在感。
王开玲曾经说过一句话,“容颜易摹,心灵却难以作弊”,大概就是这种意思了。
到现在我仍记得《只缘身在此山中》的一句话:我心愿自己是个无面目的人,来此问清自己的面目。
很多人都会习惯性地模糊了存在的概念,那就更不用谈相对空泛的存在感了。
一个不知道自己为何而存在的人,是绝没有可能拥有存在感的。
当然,我今天并不是来谈论我们为何存在的,但却只有明了自己为何而存在,才能有机会拥有存在感。
东北三省三校2014年高三第二次联合模拟考试(哈师大附中、东北师大附中、辽宁实验中学)数学文试题本试卷分第Ⅰ卷(选择题)和第Ⅱ卷(非选择题)两部分,共150分,考试时间120分钟。
第Ⅰ卷(选择题 共60分)一、选择题(本大题共12小题,每小题5分,在每小题给出的四个选项中,只有一项是符合题目要求的。
)1. 若{1,2,3,4,5,6,7,8},{1,2,3},{5,6,7}U A B ===,则()()U U C A C B = A. {4,8}B. {2,4,6,8}C. {1,3,5,7}D. {1,2,3,5,6,7}2. 已知复数12z =-+,则||z z +=A. 12-B. 12-+ C.12+ D.12 3. 已知数列{}n a 满足1220,1n n a a a ++==,则数列{}n a 的前10项和10S 为 A.104(21)3- B.104(21)3+ C.104(21)3-- D.104(21)3-+ 4. 已知1sin cos 3αα+=,则2sin ()4πα-=A.118B.1718C.89D.95. 已知:3:,:11p x k q x ≥<+,如果p 是q 的充分不必要条件,则k 的取值范围是 A. [2,)+∞B. (2,)+∞C. [1,)+∞D. (,1]-∞-6. 已知△ABC 的内角A ,B ,C 的对边分别为,,a b c ,若1c o s ,s i n 3s i n 3A C B==,且ABC S ∆=则b =A. 1B.C.D. 37. 已知△ABC 中,||10,16,BC AB AC D =⋅=- 为边BC 的中点,则||AD等于A. 6B. 5C. 4D. 38. 在某次测量中得到的A 样本数据如下:42,43,46,52,42,50,若B 样本数据恰好是A 样本数据每个都减5后所得数据,则A 、B 两样本的下列数字特征对应相同的是A. 平均数B. 标准差C. 众数D. 中位数9. 已知某算法的流程图如图所示,若输入7,6x y ==,则输出的有序数对为A. (13,14)B. (12,13)C. (14,13)D. (13,12)10. 将函数()2sin(2)4h x x π=+的图象向右平移4π个单位,再向上平移2个单位,得到函数()f x 的图象,则函数()f x 的图象与函数()h x 的图象A. 关于直线0x =对称B. 关于直线1x =对称C. 关于点(1,0)对称D. 关于点(0,1)对称11. 已知双曲线22221(0,0)x y a b a b-=>>的焦点1(,0)F c -、2(,0)F c (0)c >,过2F 的直线l 交双曲线于A ,D 两点,交渐近线于B ,C 两点。
一、单选题1. 某同学想自己设计并改装一个欧姆表。
他手上有如下器材:量程300μA 、内阻900Ω的电流计;电动势1.5V 的一节干电池;滑动变阻器、电阻箱和若干定值电阻。
他设计的电路如图甲所示,实验时他将两表笔短接,电流计指针满偏时,他计算出电路中的总电阻为5kΩ。
然后他将一个50Ω和10Ω的电阻分别接到两表笔之间时,发现电流计指针指示的位置几乎一样,很难区分。
经过研究后他认为,要想比较准确地测量几十欧姆的电阻,用图甲所示电路并不合适,为此他设计了如图乙所示的电路。
并联合适电阻 R ₂后,使干路电流是流经电流计电流的100倍。
则( )A .将图乙电路中的两表笔短接,此时电路中的总电阻是5ΩB .分别将一个50Ω和10Ω的电阻先后接到图乙电路的两表笔之间,通过干电池的电流几乎没有区别C .分别将一个50Ω和10Ω的电阻先后接到图乙电路的两表笔之间,电流计指针指示的位置明显不同D .在图甲电路和图乙电路的两表笔之间分别接入5kΩ和50Ω的电阻,通过两电流计的电流明显不同2.如图甲所示,正方形硬质金属框放置在磁场中,金属框平面与磁场方向垂直。
磁感应强度B 随时间t 变化规律如图乙所示。
在0~0.2s 的时间内与0.2s~0.6s的时间内( )A .通过金属框的电荷量之比为2∶1B .金属框中电流的电功率之比为4∶1C .金属框中产生的焦耳热之比为4∶1D .金属框两边受到安培力方向相反,大小之比为3∶13. 通过实验研究通电长直导线间的相互作用规律。
如图所示,为两根平行的长直导线,通过外接直流电源分别给两导线通以相应的恒定电流。
为导线所在平面内的两点。
下列说法中正确的是( )A.两导线中的电流大小相等、方向相反时,点的磁感应强度为零B .导线电流向上、导线电流向下时,导线所受安培力向右C .点的磁感应强度一定不为零D .两导线所受安培力的大小一定相等4. 加速度传感器是一些智能手机上配备的较为实用的软件,能显示物体运动过程中的加速度变化情况。
东北三省三校(哈师大附中、东北师大附中、辽宁省实验中学)2018-2019学年高三第二次模拟考试数学(理)试题第Ⅰ卷(共60分)一、选择题:本大题共12个小题,每小题5分,共60分.在每小题给出的四个选项中,只有一项是符合题目要求的. 1.设i 是虚数单位,则复数ii437++在复平面内所对应的点位于( ) A .第一象限 B .第二象限 C .第三象限 D .第四象限 2.设集合}02|{2<--=x x x A ,集合}41|{<<=x x B ,则=B A Y ( ) A .}21|{<<x x B .}41|{<<-x x C .}11|{<<-x x D .}42|{<<x x3.等比数列}{n a 中,23-=a ,811-=a ,则=7a ( ) A .4- B .4 C .4± D .5- 4.已知向量)1,1(=a ,)2,1(-=b ,若)2//()(b t a b a +-,则=t ( )A .0B .21C .2-D .3- 5.执行如下的程序框图,若输出T 的值为1225,则“?”处可填( )A .6<nB .5<nC .4<nD .3<n6.将7个座位连成一排,安排4个人就座,恰有两个空位相邻的不同坐法有( ) A .240 B .480 C .720 D .960 7.函数11)(+-+=x x e x f x的部分图象大致是( )8.《九章算术》中,将底面是直角三角形的直三棱柱称之为“堑堵”,已知某“堑堵”的三视图如图所示,则该“堑堵”的外接球的表面积为( )A .338π B .π8 C .π6 D .334π9.21,F F 是双曲线)0,0(12222>>=-b a by a x 的左右焦点,过1F 且斜率为1的直线与两条渐近线分别交于B A ,两点,若12=,则双曲线的离心率为( ) A.25B. 5C.310D. 10 10.设n m ,是两条不同的直线,βα,是两个不同的平面,则下列命题中正确的是( ) A .若βα⊥,α⊥m ,则β//m B .若α//m ,α⊂n ,则n m // C .若m =βαI ,α//n ,β//n ,则n m //D .若βα⊥,且m =βαI ,点α∈A ,直线m AB ⊥,则β⊥AB11.甲、乙、丙、丁四位同学参加比赛,只有其中三位获奖.甲说:“乙或丙未获奖”;乙说:“甲、丙都获奖”;丙说:“我未获奖”;丁说:“乙获奖”.四位同学的话恰有两句是对的,则( )A .甲和乙不可能同时获奖B .丙和丁不可能同时获奖C .乙和丁不可能同时获奖D .丁和甲不可能同时获奖 12.已知当),1(+∞∈x 时,关于x 的方程1)2(ln -=-+kxk x x 有唯一实数解,则k 值所在的范围是( )A .)4,3(B .)5,4(C .)6,5(D .)7,6( 二、填空题(每题4分,满分20分,将答案填在答题纸上) 13.设随机变量)21,6(~B X ,则==)3(X P .14.已知递增的等差数列}{n a 的前三项和为6-,前三项积为10,则前10项和=10S .15.函数43cos 3)3sin(cos )(2+-+=x x x x f π在闭区间]4,4[ππ-上的最小值是 .16.设抛物线x y 22=的焦点为F ,过点)0,3(M 的直线与抛物线相交于B A ,两点,与抛物线的准线相交于点C ,2||=BF ,则BCF ∆与ACF ∆的面积之比=∆∆ACFBCFS S . 三、解答题 (本大题共6题,共70分.解答应写出文字说明、证明过程或演算步骤.) 17.已知ABC ∆三个内角C B A ,,所对的边分别是c b a ,,,若)sin (sin )sin )(sin (B A b C A c a -=+-.(1)求角C ;(2)若ABC ∆的外接圆半径为2,求ABC ∆周长的最大值.18.经调查,3个成年人中就有一个高血压,那么什么是高血压?血压多少是正常的?经国际卫生组织对大量不同年龄的人群进行血压调查,得出随年龄变化,收缩压的正常值变化情况如下表:其中:xb y a xn x yx n yx bn i i ni ii ˆˆ,ˆ1221-=⋅-⋅⋅-=∑∑==,∑==81217232i i x ,∑==8147384i ii y x(1)请画出上表数据的散点图;(2)请根据上表提供的数据,用最小二乘法求出y 关于x 的线性回归方程a x b y ˆˆˆ+=;(b aˆ,ˆ的值精确到0.01)(3)若规定,一个人的收缩压为标准值的0.9~1.06倍,则为血压正常人群;收缩压为标准值的1.06~1.12倍,则为轻度高血压人群;收缩压为标准值的1.12~1.20倍,则为中度高血压人群;收缩压为标准值的1.20倍及以上,则为高度高血压人群.一位收缩压为180mmHg 的70岁的老人,属于哪类人群?19.如图,四棱柱1111D C B A ABCD -的底面为菱形,0120=∠BAD ,2=AB ,F E ,为1,AA CD 中点.(1)求证://DF 平面AE B 1;(2)若⊥1AA 底面ABCD ,且直线1AD 与平面AE B 1所成线面角的正弦值为43,求1AA 的长.20.椭圆C :)0(12222>>=+b a by a x 的左、右焦点分别为)0,1(1-F 、)0,1(2F ,若椭圆过点)23,1(. (1)求椭圆C 的方程;(2)若B A ,为椭圆的左、右顶点,),(00y x P (00≠y )为椭圆上一动点,设直线BP AP ,分别交直线l :6=x 于点N M ,,判断线段MN 为直径的圆是否经过定点,若是,求出该定点坐标;若不恒过定点,说明理由.21.已知函数1ln )(--=x a x x f ,曲线)(x f y =在)0,1(处的切线经过点)0,(e . (1)证明:0)(≥x f ;(2)若当),1[+∞∈x 时,xp x x f ln )(ln )1(2+≥,求p 的取值范围.请考生在22、23二题中任选一题作答,如果都做,则按所做的第一题记分. 22.选修4-4:坐标系与参数方程在直角坐标坐标系xOy 中,曲线1C 的参数方程为⎩⎨⎧+==θθsin 1cos y x (θ为参数),曲线2C :1222=+y x .以O 为极点,x 轴的非负半轴为极轴,与直角坐标系xOy 取相同的长度单位,建立极坐标系.(1)求曲线21,C C 的极坐标方程;(2)射线3πθ=(0>ρ)与曲线1C 的异于极点的交点为A ,与曲线2C 的交点为B ,求||AB .23.选修4-5:不等式选讲 设函数|12|)(-=x x f .(1)设5)1()(<++x f x f 的解集为集合A ,求集合A ;(2)已知m 为集合A 中的最大自然数,且m c b a =++(其中c b a ,,为正实数),设ccb b a a M -⋅-⋅-=111.求证:8≥M .理科数学答案一、选择题二、填空题 13.165 14. 85 15.21- 16. 54 三、解答题17.(1)由正弦定理得)())((b a b c a c a -=+-,∴222b abc a -=-,∴212222=-+ab c b a ,即21cos =C 因为π<<C 0,则3π=C .(2)由正弦定理4sin sin sin 2====AaB bC c r ∴A a sin 4=,B b sin 4=,32sin 4==C c , ∴周长c b a l ++=32sin 4sin 4++=B A32)32sin(4sin 4+-+=A A π32sin 214cos 234sin 4+⨯+⨯+=A A A 32cos 32sin 6++=A A32)6sin(34++=πA∵)32,0(π∈A ,∴)65,6(6πππ∈+A ∴当26ππ=+A 即3π=A 时363234max =+=l∴当3π==B A 时,ABC ∆周长的最大值为36.18. (1)(2)4586258524842383228=+++++++=x1298147140135129127122118114=+++++++=y∴91.012911845817232129458473848ˆ2812281≈=⨯-⨯⨯-=⋅-⋅⋅-=∑∑==i ii ii xxy x n yx b05.884591.0129ˆˆ=⨯-=-=x b y a∴回归直线方程为05.8891.0ˆ+=x y. (3)根据回归直线方程的预测,年龄为70岁的老人标准收缩压约为75.15105.887091.0=+⨯(mmHg )∵19.175.151180≈∴收缩压为180mmHg 的70岁老人为中度高血压人群. 19.(1)证明:设G 为1AB 的中点,连GF EG , 因为FG1121B A ,又DE 1121B A ,所以FG DE ,所以四边形DEGF 是平行四边形, 所以EG DF //又⊄DF 平面AE B 1,⊂EG 平面AE B 1, 所以//DF 平面AE B 1.(2)因为ABCD 是菱形,且060=∠ABD , 所以ABC ∆是等边三角形 取BC 中点G ,则AD AG ⊥,因为⊥1AA 平面ABCD , 所以AG AA ⊥1,AD AA ⊥1建立如图的空间直角坐标系,令)0(1>=t t AA ,则)0,0,0(A ,)0,23,23(E ,),1,3(t B -,),2,0(1t D , )0,23,23(=AE ,),1,3(1t AB -=,),2,0(1t AD =, 设平面AE B 1的一个法向量为),,(z y x n =, 则0)3(23=+=⋅y x AE n 且031=+-=⋅tz y x , 取)4,,3(t t n -=,设直线1AD 与平面AE B 1所成角为θ, 则43)4(26||||sin 211=+=⋅=t t AD n θ,解得2=t ,故线段1AA 的长为2. 20.(1)由已知1=c , ∴122+=b a ① ∵椭圆过点)23,1(,∴149122=+b a ② 联立①②得42=a ,32=b∴椭圆方程为13422=+y x(2)设),(00y x P ,已知)0,2(),0,2(B A - ∵00≠y ,∴20±≠x ∴BP AP ,都有斜率 ∴2,20000-=+=x y k x y k BP AP ∴4202-=⋅x y k k BPAP ③ ∵1342020=+y x ∴)41(3220x y -=④ 将④代入③得434)41(32020-=--=⋅x x k k BPAP设AP 方程)2(-=x k y ∴BP 方程)2(43--=x k y ∴)3,6(),8,6(kN k M -由对称性可知,若存在定点,则该定点必在x 轴上,设该定点为)0,(t T 则TM ⊥ ∴0)24()6()3,6()8,6(2=-+-=--⋅-=⋅t k t k t∴24)6(2=-t ,∴626±=t ∴存在定点)0,626(+或)0,626(-以线段MN 为直径的圆恒过该定点.21. (1)曲线)(x f y =在)0,1(处的切线为)1)(1('-=x f y ,即)1)(1(--=x a y 由题意得)1)(1(0--=e a ,解得1=a所以1ln )(--=x x x f 从而xx x x f 111)('-=-= 因为当)1,0(∈x 时,0)('<x f ,当),1(+∞∈x 时,0)('>x f .所以)(x f 在区间)1,0(上是减函数,区间),1(+∞上是增函数,从而0)1()(=≥f x f .(2)由题意知,当),1[+∞∈x 时,0ln ≠+x p ,所以0>p从而当),1[+∞∈x 时,0ln >+x p , 由题意知xp x x x ln )(ln 1ln 12+≥-+,即0ln ]1)1[(≥+-+-p px x x p ,其中),1[+∞∈x 设p px x x p x g +-+-=ln ]1)1[()(,其中),1[+∞∈x设)(')(x g x h =,即11)1()(-+-=x x p x h ,其中),1[+∞∈x 则21)1()('xx p x h --=,其中),1[+∞∈x (1)当2≥p 时,因为),1(+∞∈x 时,0)('>x h ,所以)(x h 是增函数从而当),1(+∞∈x 时,0)1()(=>h x h ,所以)(x g 是增函数,从而0)1()(=≥g x g .故当2≥p 时符合题意.(2)当21<<p 时,因为)11,1(-∈p x 时,0)('<x h , 所以)(x h 在区间)11,1(-p 上是减函数 从而当)11,1(-∈p x 时,0)1()(=<h x h 所以)(x g 在)11,1(-p 上是减函数,从而0)1()11(=<-g p g 故当21<<p 时不符合题意.(3)当10≤<p 时,因为),1(+∞∈x 时,0)('<x h ,所以)(x h 是减函数 从而当),1(+∞∈x 时,0)1()(=<h x h所以)(x g 是减函数,从而0)1()2(=<g g故当10≤<p 时不符合题意综上p 的取值范围是),2[+∞.22. (1)曲线1C 的参数方程⎩⎨⎧+==θθsin 1cos y x (θ为参数) 可化为普通方程1)1(22=-+y x ,由⎩⎨⎧==θρθρcos sin x y ,可得曲线1C 的极坐标方程为θρsin 2=, 曲线2C 的极坐标方程为2)cos 1(22=+θρ.(2)射线3πθ=(0>ρ)与曲线1C 的交点A 的极径为33sin21==πρ, 射线3πθ=(0>ρ)与曲线2C 的交点B 的极径满足2)3cos 1(222=+πρ,解得51022=ρ, 所以51023||||21-=-=ρρAB . 23.(1)5)1()(<++x f x f 即5|12||12|<++-x x当21-<x 时,不等式化为51221<---x x ,∴2145-<<-x ; 当2121≤≤-x 时,不等式化为51221<++-x x ,不等式恒成立; 当21>x 时,不等式化为51212<++-x x ,∴4521<<x . 综上,集合}4545|{<<-=x x A . (2)由(1)知1=m ,则1=++c b a . 则a bc a c b a a 21≥+=-,同理c ab c c b ac b b 21,21≥-≥-,则 8222111=⋅⋅≥-⋅-⋅-a bc b ac c ab c c b b a a ,即8≥M .。
专题六并列连词、复合句及特殊句式【考点集训】考点一并列连词Ⅰ.单句填空1.(2018河北衡水中学五次调考,70)She didn’t know anything about current TV shows fashion trends.答案or2.(2018福建泉州1月质检,67)In China,the question is not“What shall I have?”“What shall we have?”. Food is ordered to share with others,not just for oneself.答案but3.(2018河南中原名校五次联考,61)Around7:30a.m.,she was lying on her surfboard with her left arm in the water a14-foot-long tiger shark attacked her,severing her left arm just below the shoulder.答案when4.(2018湖北黄冈元月调研,67)What all of you really wanted was coffee,not the cup,you went for the best cups and then began looking at each other’s cups.答案but/yet5.(2018江西宜春中学一次诊断,67)As to acute stomachache,there is no need to have an operation;all you need to do is drinking a cup of Chinese herbs,the western way takes more time and money.答案while6.(2018贵州贵阳一中3月月考,50)“In an era when young people are so easily attracted by superstars,Coco reveals the emptiness of such adulation(吹捧),teaching kids to preserve respect the memory of their elders,” wrote reporter Peter Debruge.答案andⅡ.单句改错7.I can’t remember how the tune goes,so I’ll recognize it when I hear it.答案so→but8.Although his left hand was hurt,but he was happy to have saved the bird.答案删除but或将but改为yet9.Because I’ll see him tomorrow so I don’t need to return his call.答案删除so10.The artist was born poor,but poor he remained all his life.答案but→and考点二复合句题组一定语从句Ⅰ.单句填空1.(2018河北衡水中学五次调考,69)After living in Australia for many years,Louise finally returned to the country she was born.答案where2.(2018河北五个一联盟二次联考,43)There are many good websites you can check out the latest in the science world.答案where3.(2018湖北宜昌葛洲坝中学月考,50)Another saying which has come from the fable is“God helps thosehelp themselves”.答案who4.(2018福建厦门期末,66)Then Needham began his lifelong research,ended up creating the greatest work—Science and Civilization in China.答案which5.(2018山东烟台期末,62)His interest started a few years ago,he was in college and studying wildlife science.答案when6.(2018河北百校联盟1月联考,70)There are perhaps40million competitive table tennis players and many ordinary people play less seriously.答案who7.(2018四川雅安下学期三诊,63)He was a great scientist and an extraordinary man work and legacy will live on for many years.答案whose8.(2018云南昆明一中第七次月考,42)That is an Oxford college,famous graduates include the late Benazir Bhutto.答案whose9.(2018四川遂宁三诊,67)But it’s not like many other countries there seems to be tension among the different cultures.答案where10.(2018陕西宝鸡质检,65)Then,a fire,broke out in1969on Cleveland’s Cuyahoga River,shed light on the problem of chemical pollution in water.答案which11.(2018辽宁丹东一模,62)Pupils,usually come from the fifth or sixth grade,are divided into different teams and try to write down every word according to its pronunciation.答案who12.(2018宁夏六盘山高中一模,50)I am already looking forward to their next visit I can show them more of what Seville offers.答案when13.(2017山西晋商四校联考,70)Finally,after four hours,they arrived at the campsite their parents were waiting.答案where14.(2017四川凉山州高中毕业班二检,64)A survey was conducted in16cities with over one million population showed high proportion of urban Chinese have been suffering such health problems.答案that/whichⅡ.单句改错15.(2018吉林长春一模)It will be ten months before I attend the College Entrance Examination,that makes me worried.答案that→which16.(2018山东日照一模)It’s a black square suitcase,what is just as big as a schoolbag.答案what→which17.(2018河南天一大联考Ⅲ)When I was12,I met Mary.She came to China with her parents,whom taught English in a university.答案whom→who18.(2017黑龙江大庆二模)In the year2013which I was15,I joined an exchange student program.答案which→when19.I have an American friend,Marianne,she lives alone but has a pet dog,Sparky.答案she→who题组二名词性从句Ⅰ.单句填空1.(2019届山东烟台一中一次质检,44)There is a very good chance he may rob me.答案that2.(2018河南天一大联考Ⅲ,66)I first have to remove all the rotten parts,and sometimes,is left isn’t enough for my designs.答案what3.(2018湖北襄阳1月调研,64)The WHO has stated that of the56.5million deaths per year around the world,over 50percent are caused by diseases closely associated with unhealthy diet and lack of exercise and many of these deaths could be prevented.答案that4.(2018江西名校学术联盟质检Ⅱ,64)was most difficult was that in order to realize this dream,I needed to find an existent caféthat wasn’t doing well.答案What5.(2018湖南师大附中五次月考,62)The historical reason for beginning the new year in such a time is it is the time between autumn harvest and spring plowing and planting.In other words,it is the time for rest,relaxation and celebration after a year’s hard work.答案that6.(2018安徽六安一中五次月考,69)It’s possible that one way out could be blocked by fire or smoke,so you’ll want to know other ones are.答案where7.(2018辽宁沈阳一模,46)Darwin wondered a great deal about he saw.答案what8.(2018内蒙古呼和浩特质量调研普查,48)It’s time to start by reading aloud to might like it.答案whoever9.(2018陕西渭南质检,67)Actually,children learn violent behavior from adults or from they see on television or on the Internet.答案what10.(2018陕西四模,61)Do you know a story gets into the newspaper?Here is an example.答案how11.(2018甘肃西北师大附中三诊,49)Many people say they are impressed by how interesting the show is and they can’t stop laughing when they watch it.答案that12.(2018哈师大附中、东北师大附中、辽宁实验中学二模,64)Some people told stories about old times,and others wrote down they remembered.答案what13.(2017黑龙江哈尔滨三中一模,67)After seemed to be a hundred years,I found my audience applauding—I made it!答案what14.(2017黑龙江哈尔滨三中第一次验收,63)Statistics show over200billion yuan is spent every year on food that ends up in the garbage.答案that15.(2017辽宁沈阳东北育才学校一模,63)From the perspective of consumers,it can save some time for people who don’t have much spare time.Just click the mouse,and they can get they want while staying at home. 答案whatever/whatⅡ.单句改错16.(2018东北三省三校一模)It’s a good thing which the ride lasted for only15minutes.No more air rides for me,I swear!答案which→that17.(2018宁夏银川一中一模)While it was still necessary for my parents to support me economically and mentally at that time,I was old enough to think and decide by myself which I should do.答案which→what18.(2018甘肃西北师大附中三诊)It reminds us that it was the struggles and sacrifices of our forefathers that saved China,so we teenagers must cherish the fruits of the victory,treasure that we own now and preserve national pride.答案第三个that→what19.(2017江西九江十校二联)After living at school,I found it helped me save time and learn what to get on with others.答案what→how题组三状语从句Ⅰ.单句填空1.(2018陕西榆林二中三模,64)there are many positive developments associated with the Internet,there are also certain fears and concerns.答案While/Though/Although2.(2018山东滨州三次统考,64)it’s difficult to master the language,he considers it important for his future career.答案While/Though/Although3.(2018安徽六安一中五次月考,62)Talking about fires can be scary no one likes to think about people getting hurt or their things getting burned.答案because4.(2018福建永春一中等四校联考Ⅰ,62)The Great Wall winds its way from west to east,across deserts,over mountains,through valleys at last it reaches the sea.答案till/until5.(2018河北衡水中学一调,66)The song“A little bit longer” by Nick Jonas is an emotional and inspiring song that whenever I hear it,I always come close to dropping down tears.答案such6.(2018河南南阳一中三次考试,51)We know that tasks your group is given,a few rules need to be followed to ensure a productive and successful experience.答案whatever7.(2017陕西咸阳二模,64)Researchers have found,in their experiment,that a baby’s cries can cause unique emotional responses in the brain,making it impossible for us to ignore them we are parents or not.答案whetherⅡ.单句改错8.(2019届甘肃民乐一中一次诊断考试)In addition,we need to improve our oral English.When we are always learning English,we may not be able to make a fluent speech.We can’t easily communicate with others like native speakers.答案When→Although或Though或While9.(2019届黑龙江哈尔滨二十六中九月月考)However,after I go hiking,I make sure to have all of the proper necessities.First of all,I wear proper clothing and hiking shoes.答案after→before考点三特殊句式题组一倒装句Ⅰ.单句填空1.Jane won’t join us for dinner tonight and neither Tom.答案will2.Try she might,Sue couldn’t get the door open.答案as/though3.John opened the door.There(stand)a girl he had never seen before.答案stood/was standing4.—Is everyone here?—Not yet...Look,there(come)the rest of our guests!答案comeⅡ.句型转换5.I have never had such a special drink before!(改为倒装句)答案Never before have I had such a special drink!6.They reached a decision only after they had discussed the matter for several hours.(改为倒装句)答案Only after they had discussed the matter for several hours did they reach a decision.7.He didn’t begin to know how important the family was for him until he left his home.(改为倒装句)答案Not until he left his home did he begin to know how important the family was for him.8.Chongqing,one of the largest cities in China,lies at the meeting place of the Yangtze River and Jialing River. (改为倒装句)答案At the meeting place of the Yangtze River and Jialing River lies Chongqing,one of the largest cities in China.9.Distinguished guests and friends,welcome to our school.Our alumni(校友)from home and abroad are attending the ceremony of the50th anniversary this morning.(改为倒装句)答案Distinguished guests and friends,welcome to our school.Attending the ceremony of the50th anniversary this morning are our alumni(校友)from home and abroad.10.The power of TV that it can make a person suddenly famous is such.(改为倒装句)答案Such is the power of TV that it can make a person suddenly famous.11.Although he was unsatisfied with the payment,he took the job just to get some work experience.(改为倒装句)答案Unsatisfied though/as he was with the payment,he took the job just to get some work experience.12.Her business was so successful that Marie was able to set up new branches elsewhere.(改为倒装句)答案So successful was her business that Marie was able to set up new branches elsewhere.题组二其他特殊句式Ⅰ.单句填空1.a strange plant!I’ve never seen it before.答案What2.Was it on a lonely island he was saved one month after the boat went down?答案that3.I told them not everybody could run as fast as you did,I?答案didn’t4.He must be helping the old man to water the flowers,he?答案isn’t5.Please do me a favor—(invite)my friend Mr.Smith to Youth Theater at7:30tonight.答案invite6.If you have a job,devote yourself to it and finally you’ll succeed.答案doⅡ.单句改错7.His writing is so confusing that it’s difficult to make out how it is he is trying to express.答案how→what8.It is not who is right but what is right which is of importance.答案which→that9.The little boy came riding full speed down the motorway on his bicycle.How a dangerous scene itwas!答案How→What10.When you’ve finished that book,don’t forget to put it back on the shelf,do you?答案do→will11.There was a loud scream from the backstage immediately after the concert ended,wasn’t it?答案it→there12.Knocking at the door before entering please.答案Knocking→Knock13.There was a lot of homework to do,he didn’t attend the party.答案was→being或在he前加soⅢ.句型转换14.Not until the motorbike looked almost new did he stop repairing and cleaning it.(就画线部分进行强调,改为强调句)答案It was not until the motorbike looked almost new that he stopped repairing and cleaning it.14.If you help others whenever you can,you will make the world a nicer place to live in.(改为“祈使句+and+陈述句”句式)答案Help others whenever you can and you will make the world a nicer place to live in.过专题【五年高考】考点一并列连词1.(2016北京,35)I am not afraid of tomorrow,I have seen yesterday and I love today.答案for2.(2015北京,25)He is a shy man,he is not afraid of anything or anyone.答案but/yet3.(2014北京,21)Some animals carry seeds from one place to another,plants can spread to new places.答案so4.(2014天津,1)Give me a chance,I’ll give you a wonderful surprise.答案and考点二复合句题组一定语从句1.(2018北京,5)She and her family bicycle to work,helps them keep fit.答案which2.(2018天津,2)Kate,sister I shared a room with when we were at college,has gone to work in Australia. 答案whose3.(2018江苏,23)Self-driving is an area China and the rest of the world are on the same starting line.答案where4.(2017北京,31)The little problems we meet in our daily lives may be inspirations for great inventions. 答案that/which5.(2017天津,9)My eldest son,work takes him all over the world,is in New York at the moment.答案whose6.(2017江苏,28)In1963the UN set up the World Food Programme,one of purposes is to relieve worldwide starvation.答案whose7.(2016北京,22)I live next door to a couple children often make a lot of noise.答案whose8.(2016天津,9)We will put off the picnic in the park until next week,the weather may be better.答案when9.(2016浙江,11)Scientists have advanced many theories about why human beings cry tears,none of has been proved.答案which10.(2015天津,15)The boss of the company is trying to create an easy atmosphere his employees enjoy their work.答案where11.(2015安徽,28)Some experts think reading is the fundamental skill upon school education depends.答案which12.(2015福建,34)China Today attracts a worldwide readership,shows that more and more people all over the world want to learn about China.答案which13.(2015湖南,29)It is a truly delightful place,looks the same as it must have done100years ago with its winding streets and pretty cottages.答案which14.(2015陕西,15)As the smallest child of his family,Alex is always longing for the time he should be able to be independent.答案when15.(2015四川,3)The books on the desk,covers are shiny,are prizes for us.答案whose16.(2015浙江,19)Creating an atmosphere employees feel part of a team is a big challenge.答案where17.(2014天津,12)English is a language shared by several diverse cultures,each of uses it differently.答案which题组二名词性从句1.(2018北京,11)Without his support,we wouldn’t be we are now.答案where2.(2018北京,15)This is my father has taught me—to always face difficulties and hope for the best.答案what3.(2018天津,9)The gold medal will be awarded to wins the first place in the bicycle race.答案whoever4.(2018江苏,21)By boat is the only way to get here,which is we arrived.答案how5.(2017北京,23)Every year,makes the most beautiful kite will win a prize in the Kite Festival.答案whoever6.(2017天津,4)She asked me I had returned the books to the library,and I admitted that I hadn’t.答案whether/if7.(2017江苏,26)We choose this hotel because the price for a night here is down to$20,half of it used to charge.答案what8.(2017北京,26)Jane moved aimlessly down the tree-lined street,not knowing she was heading.答案where9.(2016北京,24)Your support is important to our work.you can do helps.答案Whatever10.(2016北京,29)The most pleasant thing of the rainy season is one can be entirely free from dust.答案that11.(2016天津,11)The manager put forward a suggestion we should have an assistant.There is too much work to do.答案that12.(2016江苏,21)It is often the case anything is possible for those who hang on to hope.答案that13.(2015北京,33)I truly believe beauty comes from within.答案that14.(2015北京,35)we understand things has a lot to do with what we feel.答案How15.(2015江苏,25)Li Bai,a great Chinese poet,was born is known to the public,but some won’t accept it. 答案Where16.(2015浙江,6)If you swim in a river or lake,be sure to investigate is below the water surface.Often there are rocks or branches hidden in the water.答案what17.(2015重庆,8)We must find out Karl is coming,so we can book a room for him.答案when18.(2015安徽,25)A ship in harbor is safe,but that’s not ships are built for.答案what19.(2014天津,14)I think impresses me about his painting is the colours he uses.答案what题组三状语从句1.(2018北京,2)we don’t stop climate change,many animals and plants in the world will be gone.答案If2.(2018天津,4)Let’s not pick these peaches until this weekend so they get sweet enough to be eaten.答案that3.(2018江苏,29)you can sleep well,you will lose the ability to focus,plan and stay motivated after one or two nights.答案Unless4.(2017北京,25)birds use their feathers for flight,some of their feathers are for other purposes.答案Although/While/Though5.(2017北京,28)If you don’t understand something,you may research,study,and talk to other peopleyou figure it out.答案until/till6.(2017江苏,23)Located the Belt meets the Road,Jiangsu will contribute more to the Belt and Road construction.答案where7.(2016北京,27)My grandfather still plays tennis now and then,he’s in his nineties.答案although/though8.(2016北京,33)I really enjoy listening to music it helps me relax and takes my mind away from other cares of the day.答案because/as9.(2016天津,7)the average age of the population increases,there are more and more old people to care for.答案As10.(2016浙江,5)online shopping has changed our life,not all of its effects have been positive.答案While/Although/Though11.(2015北京,32)the damage is done,it will take many years for the farmland to recover.答案Once/If12.(2015江苏,26)It is so cold that you can’t go outside fully covered in thick clothes.答案unless13.(2015天津,12)We need to get to the root of the problem we can solve it.答案before14.(2015浙江,9)Just a single word can change the meaning of a sentence,a single sentence can change the meaning of a paragraph.答案as15.(2015安徽,23)scientists have learned a lot about the universe,there is much we still don’t know.答案Although/Though/While16.(2015福建,31)the students came from different countries,they got along quite well in the summer camp.答案Although/Though/While17.(2015湖南,33)the job takes a significant amount of time,most students agree that the experience is worth it.答案Although/Though/While18.(2014安徽,25)The meaning of the word“nice”changed a few times it finally came to include the sense “pleasant”.答案before19.(2014湖南,26)You will never gain success you are fully devoted to your work.答案unless20.(2014陕西,24)The young couple,who returned my lost wallet,left I could ask for their names.答案before考点三特殊句式1.(2018北京,8)In any unsafe situation,simply(press)the button and a highly-trained agent will get you the help you need.答案press2.(2016江苏,34)Not until recently they encourage the development of tourist-related activities in the rural areas.答案did3.(2015天津,3)Only when Lily walked into the office she realize that she had left the contract at home. 答案did4.(2015湖南,31)Always(keep)in mind that your main task is to get this company running smoothly.答案keep5.(2014北京,24)(observe)carefully if any change occurs when doing experiments in the lab.答案Observe6.(2014陕西,17)No sooner Mo Yan stepped on the stage than the audience broke into thunderous applause.答案had7.(2014大纲全国,26)Not only the nurses want a pay increase,they want reduced hours as well.答案do8.(2014重庆,10)—I spent two weeks in London last summer.—Then you must have visited the British Museum during your stay,you?答案didn’t【三年模拟】时间:50分钟分值:98分A组2017—2019年模拟·基础题组考点一并列连词1.(2019届四川棠湖中学一次月考,62)There were many people waiting at the bus stop,some of them looked disappointed.答案but2.(2019届江西抚州七校10月联考,67)Maybe,when dancing,you think you’re not exercising entertaining yourself.答案but3.(2019届河南省实验中学二次月考,37)In their opinion,universities are public assets—they should serve not only the students and faculty the general public as well.答案but4.(2019届吉林汪清六中9月月考,65)Smoking not only does harm to their health to others.答案but(also)5.(2019届山东淄博实验中学、淄博五中一次诊断,66)They are not like us to finish it in one drink,prefer to drink by taking a small amount at a time.答案but6.(2018湖南师大附中一次月考,64)“I’ll tell you how you can improve your memory,” they say,they start their advice.答案and7.(2018河南郑州外国语学校二次调研,64)He or she can also attend classes from wherever they are recovering—whether at home from a hospital bed.答案or8.(2018贵州遵义四中一次月考,44)Many people seem too busy to take time to understand one another.my father sees taking time to listen as essential to any relationship,whether it involves family,friendship,or work.答案But9.(2017山西省重点中学协作体一模,68)He overcame many difficulties,he was not fortunate enough. 答案but/yet考点二复合句题组一定语从句1.(2019届吉林长春市实验中学开学考试,61)Dragon Head Raising Day,falls each year on the second day of the second lunar month,is one of the Chinese traditional festivals.答案which2.(2019届宁夏六盘山高级中学一次月考,66)There is a phrase describes the noodle-making process:“One noodle in the boiling water,one flying in the air,and one just being cut.”答案that3.(2019届河北武邑中学二次调研,65)Contrary to the popular belief,there is a great degree of personal freedom in this country,it’s relatively easy to set up a business and it’s extremely safe.答案where4.(2019届安徽皖南八校10月联考,70)In reality,FIFA rules the new cup as a mobile prize,means no matter which team wins the championship,it can not occupy the cup forever.答案which5.(2019届河南天一大联考一次联考,67)A diet that lacks vitamin B-12or iron can cause anemia,a condition in your blood doesn’t supply your body with enough oxygen.答案which6.(2019届辽宁葫芦岛协作校一次月考,68)This was the most valuable opinion of a Chinese person was given by a foreigner two centuries ago.答案that7.(2019届四川绵阳南山中学一诊,69)It is increasingly clear that China,is no longer copying western ideas,is leading in many new ways.答案which8.(2018浙江温州普通高中高考适应性测试,58)He had skin cancer,made him ready to give up.答案which9.(2018湖南永州一模,63)There are certain dates throughout the year the entire country takes a vacation at the same time.答案when10.(2018浙江湖州、衢州、丽水三地市教学质检,63)Analysts in China say there are three factorscontribute to the sudden increase of bikes.答案that11.(2018浙江宁波十校联考,59)is known to all,everyone has his own weaknesses and strengths.答案As12.(2018河北名校联盟质检Ⅰ,70)Therefore,university is a place you attain knowledge,to develop your values and to accept those who may be different.答案where13.(2018河北唐山五校月考,67)The pressure put on high school students by excessive schoolwork can cause serious depression,is unhealthy physically and mentally.答案which14.(2017河南豫南九校质量考评Ⅴ,70)No one had tried to understand what the real problem was except the headmaster,helped me out simply by listening and hugging.答案who15.(2017河南八市重点高中10月质检,65)The sharks followed the warm currents may have changed northward during this period.答案that/which题组二名词性从句1.(2019届吉林长春市实验中学上学期期初考试,70)It was believed on this day the well was full of dragon eggs which would bring the collector good harvest.答案that2.(2019届宁夏六盘山高级中学一次月考,70)One can find hand-made noodles all over China today,but Shanxi Province is special,for it’s the art of noodle-making has reached its top.答案where3.(2019届四川成都经济技术开发区实验中学9月月考,65)If we want to truly understand animals are eating plastic in the ocean,we have to think about how animals find food.答案why4.(2019届辽宁沈阳东北育才学校一次模拟,42)I couldn’t imagine it is like to lose your home and everything that you had.答案what5.(2019届福建三明一中返校考试,50)They were disappointed at they saw—the damage from the weather was just too bad.答案what6.(2019届黑龙江哈尔滨六中10月月考,61)Massive Open Online Courses,called MOOCs,are changing people learn in many places.答案how7.(2019届四川成都经济技术开发区实验中学9月月考,69)Everyone on the bus began talking about the girl had done,and the crowd of strangers suddenly became more friendly to each other.答案what8.(2018江西红色七校一联,65)There is no doubt the Asian Games will attract more visitors to enjoy visiting this wonderful city.答案that9.(2018辽宁重点高中协作校监测,41)Ann stepped outside her front door to see the weather was like. 答案what10.(2018四川雅安中学一次月考,66)When Rose realized the gift was,she was in total shock.答案what11.(2018河北衡水中学一调,63)I mainly listened to my parents were listening to.答案what/whatever12.(2017山东师大附中二模,63)My first task was to decide where to go and to get there.答案how13.(2017山东烟台一模,65)began as a small activity has taken the shape of an inspiring institution of international standards.答案What14.(2017福建龙岩五校期中,62)Therefore,it is advisable you should value and treat them with care.答案that15.(2017安徽黄山二模,62)While visiting Hangzhou’s West Lake and its surrounding beautiful hills,you’ll understand it’s been a great source of inspiration for artists,poets and philosophers throughout Chinese history.答案why题组三状语从句1.(2019届内蒙古赤峰二中二次月考,47)afternoon tea can be enjoyed at home,the best way to experience it is at a smart hotel or a café.答案Though/Although/While2.(2019届江西新余四中9月月考,68)They are pretending to keep a healthy and wise attitude towards failure simply they are incapable(无能力的)of succeeding.答案because3.(2019届广西桂林十八中二次月考,62)He speaks so slowly and strangely it takes patience to understand what he is saying.答案that4.(2019届四川邻水实验学校9月月考,70)No matter we go or what we do,we always embrace the adventure.答案where5.(2019届甘肃民勤一中一次月考,49)The condition was terrible that all the work was done by hand.答案so6.(2019届河南天一大联考一次联考,70)Healthy weight loss doesn’t mean severe calorie reduction.However, you’re anxious about your weight,speak with an expert to help ensure physical and mental health.答案if/when/whenever7.(2019届辽宁沈阳东北育才学校一模,46)Together,those volunteers and the Northern Essex Community College students worked to clear rubbish out of a three-story building.They put on protective suits and gloves they entered the building.答案before8.(2018江西红色七校一联,63)hosting the Asian Games will cost the government a lot,the benefits are easy for us to see.答案Though/Although9.(2018江苏启东中学一次月考,25)The doctor suggests that I should sleep with the window open it’s very cold.答案unless10.(2018广西钦州一次质检,70)They called911and waited with me,one holding my hand and speaking gently to me that they would stay help came.答案until/till11.(2018内蒙古集宁一中一次月考,49)In my opinion,the best choice is a good major at a good university.If we cannot obtain both,the first thing to consider is a good major,because no matter we study,we can still achieve a lot in a certain field if we try our best.答案where12.(2018江苏南通中学期初考试,33)the rising temperature and higher seas wouldn’t have had a direct effect on dinosaurs,they could have played an indirect role in their decline in numbers.答案While/Although/Though13.(2017江西九江十校二次联考,63)Hunting elephants was so profitable from1979to1989the number of elephants in Africa fell from1.3million to600,000.答案that14.(2017福建龙岩3月质检,67)But for now,they all have to postpone their plans the winter storms pass. 答案until/tillB组2017—2019年模拟·提升题组1.(2019届甘肃敦煌中学一诊)All too often,most children just take it for granted that their parents should serve them unconditionally.My dear mum or dad,thank you very much for bringing me up.答案or→and2.(2019届广东惠州市实验中学月考)We can choose between staying at home and taking a trip.If we stay at home,it is comfortable but there is no need to spend money.But in that case,we will learn little about the world.答案第一个but→and3.(2019届广东中山一中二次统测)Besides,it’s common that the young or middle-aged sit on the bus when the elderly have to stand.Measures must be taken to change this situation.答案when→while4.(2019届甘肃静宁一中一模)This is a place where I am always dreaming about.答案去掉where或where→that或which5.(2019届福建建瓯市芝华中学一次月考)Later,my teacher,she realized my problem,had a face-to-face talk with me.答案she→who6.(2019届江西吉安三中10月月考)About two years ago,I worked hard and entered a local key school,which my parents were proud of it.答案删掉it7.(2019届云南曲靖一中质量监测卷五)So that he could do was to read it in the shop.答案that→what8.(2018江西红色七校一次联考)It is hard to be mean to someone is being nice.答案someone后加who9.(2018吉林百校联盟联考)Neither of them was willing to say sorry but the quarrel continued.答案but→so/and10.(2018河北名校联盟质监Ⅰ)I’m grateful to all these people,with whom help I have been accustomed to American culture.答案whom→whose11.(2018河北名校联盟质监Ⅰ)That I want to say first is that the teachers here are very friendly.答案I前的That→What12.(2018湖南长郡中学二次月考)I have to spend periods of time figuring out how each is saying.答案how→what13.(2018辽宁重点高中协作校阶段考试Ⅰ)First,list all the tasks which must be done and decide which one requires immediate attention.答案第一个which→that14.(2017东北三省四市联考Ⅰ)An art gallery made me an offer of$5,000for this painting and I nearly sold it,so then I decided not to.答案so→but15.(2017河南豫南九校质量考评Ⅴ)A blog will be opened on the website of our school,that aims to help students to communicate better.答案that→whichC组2017—2019年模拟·综合题组Passage1(定语从句)There was a time1I was tired of learning English and disliked speaking English.And this was the reason 2my father forced me to join in a30-day training in an English club before I went to senior high school.When I first came to the club,3I met many strangers,I missed my parents very much.So I packed up my things and wanted to go home.Fortunately,my guide,4teacher was Yu Minhong,communicated with meface-to-face,from5I gained some useful instructions.He also introduced a good partner to me,and we got along。
【题文】阅读下面的材料,根据要求写作。
①前车已覆,后未知更,何觉时?——《荀子·成相》②传统是一种巨大的阻力,是历史的惰性力——恩格斯《社会主义从空想到科学的发展》③提旧事者失一目,忘旧事者失双目——索尔仁尼琴上面几则材料,引发你怎样的感悟和思考?请就此写一篇不少于800字的文章。
要求自选角度,明确文体,自拟标题;不要套作,不得抄袭;不少于800字。
【答案】前事不忘,后事之师西伯利亚有一种白雕,全省纯白,漂亮的羽毛,它们引以为自慠,认真梳理,生怕遭到玷污。
然而正是这个习性,害了它们,猎人们在它们周围撒上煤灰,就可以轻松地捉住它们。
但更可悲的是,它们的后代并未吸取教训,一如既往地守护着羽毛,导致种群数量减少。
白雕的故事告诉我们,只图外表的虚荣与珍视害了它们,但更为重要的是,它们的后代不会吸取教训,仍然延续这种生活习性,可怕可悲。
以人为鉴,可以之得失。
这是唐太宗总结的历史教训,作为中国历史上数一数二的明君,想必他自己也能牢记这个教训。
历史上有许多教训需要牢记,有许多准则需要去遵守,而特别强调“以人为鉴”这一点,说明吸收前人的教训是极为必要的。
唐太宗就是帮助父亲推翻了荒淫无道的隋炀帝后才建立了唐朝,他深知荒淫无道的下场,才会立志做一代明君,保证李唐江山永不变色,而万古流芳。
反观隋炀帝,隋朝建立仅仅十余年,当初他帮助父亲灭掉了南朝的陈国,对陈后主的荒淫无道,纸醉金迷的生活也不是不了解,可他却没有吸收教训,依旧作了一个暴君,最终落得一个社稷破碎,自己也身死人手的悲惨下场。
何者?“仁义不施,攻守之势异也”。
以史为鉴,可以知兴替。
“秦人无暇自哀而后人哀之,后人哀之而不鉴之,亦使后人而复哀后人也”。
杜牧《阿房宫赋》的总结可以说非常精辟。
人们都只顾眼前,并未追溯过去,反思古人,甚至连自己以前犯的错误都无法转化为经验教训,不可谓不悲哉!人不犯错误就不会进步,但犯了错误不知道总结吸取教训,也只能徒增伤疤而已,这样只能取得事倍功半的效果。
2018年三省三校二模考试语文参考答案1.B2.C3.C4.B5.①予人美感但不让人沉沦绝望的忧伤②富于气质的忧伤:或悲天悯人,或敬畏生命,或不断寻美③有疗救作用的忧伤:富于营养,给人(自己,他人)希望6.含义(1)生命的基础是深厚的,可以给生命以滋养(1分)(2)阿多尼斯和树的灵魂相通,彼此激励(1分)(3)他的忧伤是有节制的,有质量的(1分)作用(1)承上启下(1分),与上文川端康成和下文众多自杀的诗人的忧伤形成对比(1分)(2)说明阿多尼斯的忧伤有质量,突出主题(1分)7.D8.B9.⑴重视学习者的学习体验⑵回归教育原点,提高教育内容质量;⑶利用并强化前沿技术⑷注重价格优势、便捷优势和教育教学的效率效果(每点2分,第一点必须有,2.3.4点里任意答出2点即可)10.C11.D (存问,就是指慰问,没有“并进行请教”和“虚心纳谏”的意思)12.B(“这些都得到了皇帝的高度认可”错误,文中说“帝疑有侵冒,令罢归听勘”)13.(1)宗皋劝说皇帝推崇(崇尚)宽容敦厚,认真考察采纳忠诚的言论,不要只是把严明作为治理的标准。
(“惇崇”“察”“纳”“以……为”各1分,句意1分)(2)皇帝怀疑他有侵夺冒领之嫌,命令罢职回来听候调查。
不久事情真相得以查清楚。
(“侵冒” “勘”“ 白” 各1分,句意2分)参考译文:郭宗皋,字君弼,是福山人。
嘉靖八年的进士。
提拔为御史。
嘉靖十二年十月,星像下雨一般陨落。
没过多久,哀冲太子(明世宗朱厚熜皇太子朱载基,追封为哀冲太子)去世,大同军队发生动乱。
宗皋劝说皇帝推崇(崇尚)宽容敦厚,认真考察采纳忠诚的言论,不要只是把严明作为治理的标准。
皇帝大怒,下诏入狱,打四十大板释放了他。
历任苏州、松州、顺天府的巡按使。
恰逢朝廷推荐保定巡抚刘夔回来管理院中事务,宗皋评议刘夔曾经推荐大学士李时之子,奉承讨好没有品行,不讲作风纪律,(惹怒皇帝)被判罚剥夺两月俸禄。
二十三年十月,敌寇攻入万全右卫,抵达广昌,布列大营四十里。
三省三校高三第二次模拟生物答案
1-6.CBBDCD
29. (10分)
(1)气孔导度增加,CO2吸收量增加,暗反应速率加快(2分)
(2)光照强度(2分)
(3)减少(1分)
(4)< (1分)缺镁影响叶绿素合成,影响光反应(2分)
(5)完全培养液加CCCP(1分)缺镁培养液加CCCP(1分)
30.(9分)
(1)2和3(2分)高于(2分) 1(2分)
(2)削弱(2分)
(3)抑制细胞分裂,促进叶和果实的衰老和脱落(1分,答出任何一点即可得分)
31.(8分)
(1)非生物的物质和能量(1分)
(2)(2分)捕食、竞争(2分)人(2分)(3)自我调节(1分)
32. (12分)
(1)不定向性(1分)
(2)不能(1分)因为节律基因和红眼白眼基因都在X染色体上(意思对即可)(2分)(3) 14(2分)
(4)雄蝇(2分)
(5)能(1分)根据实验结果可知这两对性状能自由组合(或者符合基因的自由组合规律),说明两对基因位于两对同源染色体上(或位于非同源染色体),而节律基因在X染色体上,所以翅型基因位于常染色体上(3分)(意思对即可)。
37. (15分,除标注外每空2分)
(1)①不易挥发,易溶于有机溶剂(3分)
②材料含水会降低萃取效率
(2)①富含脂肪酸(脂肪、油脂等)增加产脂肪酶微生物的浓度
②甲醇选择③酶活性(酶活力)
38.(15分,除标注外每空2分)
(1)顶体水解卵丘细胞之间的物质,形成精子穿越放射冠的通道,并溶解透明带(或溶解放射冠和透明带)(3分)
(2)透明带反应和卵细胞膜反应
(3)卵裂
(4)原肠胚基因的选择性表达 A。