2010 年南京市鼓楼区第二次模拟试卷及答案
- 格式:doc
- 大小:112.50 KB
- 文档页数:12
南京市鼓楼区九年级第二次模拟调研测试数学试卷满分120分 考试时间120分钟下列各题所附的四个选项中,有且只有一个是正确的. 一、选择题(每小题2分,共20分)1.3-的倒数是 ( )A .13B .13-C .3D .3-2.计算(a 3b )2结果正确的是 ( )A .a 9bB .a 9b 2C .a 3b 2D .a 6b 23.某班45名同学的年龄分布情况如图所示,则该班学生年龄的众数是 ( )51015202511121314年龄人数A .12B .13C .15D .204.4的值为 ( )A . ±2B .2 C . ±2 D . 25.某商品原价200元,连续两次降价a %后售价为148元,下列所列方程正确的是( )A .148(1+a%)2=200B .200(1-a %)2=148C .200(1-2a %)=148D .200(1-a 2%)=1486.二次函数y=x 2+2x -1的最小值是 ( )A .-1B .-2C .1D .27.在△ABC 中,若∠C =90°,cos A = 12,则∠A 等于 ( )A . 30°B . 45°C . 60°D . 90°8.如图,已知点A 的坐标为(1,0),点B 在直线y =-x 上运动,当线段AB 最短时,点B 的坐标为 ( )A .(0,0)B .(1,-1C .(12,-12)D .(22,22 )9.某气球内充满了一定质量的气体,当温度不变时,气球内气体的气压P (kPa )是气体体积V ( m 3 ) 的反比例函数,其图象如图所示.当气球内的气压大于120 kPa 时,气球将爆炸.那么,使气球爆炸的体积范围是 ( )A .不小于54m 3 B .小于54m 3 C .不小于45m 3D .小于45m 310.定义:定点P 与⊙O 上的任意一点之间的距离的最小值称为点P 与⊙O 之间的距离.现有一矩形ABCD (如图),AB=14cm ,BC=12cm ,⊙K 与矩形的边AB 、BC 、CD 分别相切于点E 、F 、G ,则点A 与⊙K 的距离为 ( )A .4cmB .8cmC .10cmD .12cm 二、填空题(每小题3分,共18分)11.投掷一枚骰子,得到正面朝上的数字是3的概率是 .12.根据如图所示的程序计算,若输入x 的值为1,则输出y 的值为 .13.一次函数的图象过点(1,2),且函数值y随着自变量x的增大而减小,写出一个符合这个条件的一次函数的表达式:.14.根据下表中的规律,表中的空格中应填写的数字是.000 110 010 100 111 001 10115.如图,菱形ABCD的对角线AC和BD相交于点O,过点O的直线分别交AB和CD 于点E、F,BD=6,AC= 4,则图中阴影部分的面积和为.16.如图是一张简易活动餐桌平放在地面上,如果两条桌腿的张角(∠COD)为120°,OA=OB,OC=OD,桌面离地面的高度为70cm(不考虑桌面厚度),那么桌腿AD长应为cm.三、(每小题6分,共24分)17.化简:24214aa a+⎛⎫+⎪-⎝⎭·.18.求不等式组⎪⎩⎪⎨⎧-<--+≥+-xxxx8)1(311323的整数解.19.如图,在矩形ABCD中,点E、F分别在CA、AC的延长线上,且AE=CF.请确定四边形BEDF 的形状,并证明你的结论.C DABEF20.如图,在平面直角坐标系中,图形①与图形②关于点P 成中心对称. (1)画出对称中心P ,并写出点P 的坐标;(2)将图形②向下平移4个单位,画出平移后的图形③; ⑶请具体说明图形③经过怎样变换可直接得到图形①.四、(第21题5分,第22题6分,共11分) 21.下表是某居民小区五月份的用水情况:(1)计算20户家庭的月平均用水量;(2)如果该小区有500户家庭,根据上面的计算结果,估计这500户家庭该月共用水多少立方米?22.农历正月十五元宵节有吃汤元的习俗.小华的妈妈在包的48个汤元中,有两个汤元用红枣做馅,与其它汤元不同馅.现每碗盛8个汤元,共盛6碗,且两个红枣汤圆被盛到不同的碗里,若小华吃2碗,则吃到包有红枣的汤元,. (1)小华吃的两碗中都有红枣汤元的概率; (2)小华吃到红枣汤元的概率.五、(第23题7分,第24题8分,共15分)23.某中学数学活动小组利用周日开展课外实践活动,他们要在湖面上测量建在地面上某塔AB 的高度.如图,在湖面上点C 测得塔顶A 的仰角为45,沿直线CD 向塔AB 方向前进18米到达点D ,测得塔顶A 的仰角为60.已知湖面低于地平面.......1米,请你帮他们计算出塔AB 的高度.(结果精确到0.1 米,参考数据:2≈1.41,3≈1.73)24.早晨小明与妈妈同时从家里出发,步行与骑自行车到方向相反的两地上学与上班.妈妈骑车走了一会接到小欣的电话,即以原速骑车前往小欣学校,并与小欣同时到达校.他们离家的路程 y (米)与时间 x (分)的函数图象如图所示.已知A 点坐标(102500)A C ,,,C点坐标为(200),. (1)在图中,小明离家的路程 y (米)与时间 x (分)的函数图象是线段 (A )OA (B)OB (C)OC (D)AB(2)分别求出线段OA 与AB 的函数表达式(不需要写出自变量的取值范围); (3)已知小欣步行速度为每分50米,则小欣家与学校距离为 米,小欣早晨上学需要的时间 分钟. 六、(每题7分,共14分)25.图①中是一座下承式钢管混凝土系杆拱桥,桥的拱肋ACB 可视为抛物线的一部分,桥面(视为水平的)与拱肋用垂直于桥面的系杆连接,拱肋的跨度AB 为280米,正中间系杆OC 的长度为56米。
2010年鼓楼区初三语文第二次调研卷(时间120分钟,满分120分,含书写分3分)请将答案写在答题纸上,不写在试卷上。
一、积累与运用(24分)1.给下面这段文字中加点字注音并根据拼音写出汉字。
(4分)5月4日春花烂漫,万叶婆娑.()温家宝总理来到北京大学和莘莘学子一同欢度“五四”青年节。
席间,一位学生zhàn()墨写下“仰望星空”,温总理当即挥毫以“脚踏实地”应和.()。
温总理与青年学生亲切交谈,勉励他们要有远大的理想,大力hóng()扬“五四”科学民主精神。
(1)婆娑.()(2)应和.()(3)zhàn()墨(4)hóng()扬2.用课文原句填空。
(10分)①春蚕到死丝方尽,。
(李商隐《无题》)②无可奈何花落去,。
(晏殊《浣溪沙》)③亲小人,远贤臣,。
(诸葛亮《出师表》)④安得广厦千万间,。
(杜甫《茅屋为秋风所破歌》)⑤蒹葭萋萋,白露未晞。
,。
(《诗经蒹葭》)⑥了却君王天下事,。
(辛弃疾·《破阵子为陈同甫赋壮词以寄人》)⑦,愁云惨淡万里凝。
(岑参《白雪歌送武判官归京》)⑧,夜泊秦淮近酒家。
(杜牧《泊秦淮》)⑨王勃在《送杜少府之任蜀州》中鼓励友人以积极乐观态度对待离别的名句是:,。
⑩中国人民正以“”的心情,热烈欢迎前来参观世博会的各国佳宾。
(用《〈论语〉十则》中的语句填写)综合性学习:2010年世界博览会5月1日起在我国上海举行,本届世博会的主题是“城市,让生活更美好。
”为了让同学们了解世博会,学校将开展“走进世博会”主题宣传活动,请你协助完成下列任务。
(6分)【绿色世博低碳生活】3.上海世博会倡导低碳生活的理念。
阅读下面一段文字,完成题目。
(2分)城市是人类文明发展的结晶,它理应为人们提供更为安全、舒适、健康和欢愉的生活。
A然而,随着城市化进程的加速,城市生活也面临着一系列的挑战,资源短缺、文化摩擦和环境污染。
这些问题的加剧,使人们对城市生活充满了困惑。
2009—2010学年度迎南京市二模数学试卷二一、填空题(本大题共14小题,每小题5分,共70分,请将答案填写在答题卷相应的位置上) 1.已知全集{}4,3,2,1=U ,集合{}{}1,2,2,3P Q ==,则()U P Q = ð .2.双曲线221416x y -=的渐近线方程为 . 3.“6πα=”是“1sin 2α=”的 条件. (填“充分不必要”、“必要不充分”、“充要”、“既不充分也不必要”)4.若以连续掷两次骰子分别得到的点数n m ,作为点P 的横、纵坐标,则点P 在直线5=+y x 上的概率为 .5.如图是某学校学生体重的频率分布直方图,已知图中从左到右的前3个小组的频率之比为1:2:3,第2小组的频数为10,则抽取的学生人数是 .6.若圆锥的母线长为2cm ,底面圆的周长为2πcm ,则圆锥的体积 为 3cm .7.执行右边的程序框图,若15p =,则输出的n = .8.已知函数2log (0)(),3(0)xx x f x x >⎧=⎨≤⎩则1[()]4f f 的值是 . 9.等差数列{}n a 中,若124a a +=, 91036a a +=,则10S = .10.已知实数x 、y 满足2035000x y x y x y -≤⎧⎪-+≥⎪⎨>⎪⎪>⎩,则y x z )21()41(⋅=的最小值为 .11.设向量(cos ,sin )a αα= ,(cos ,sin )b ββ=,其中πβα<<<0,若|2||2|a b a b +=-,则βα-= .12.如图,已知12,F F 是椭圆2222:1x y C a b+= (0)a b >>的左、右焦点,上,线段2PF 与圆222x y b +=相切于点Q ,且点Q 为线段2PF 的中点,的离心率为 .13.若函数22()243f x x a x a =++-的零点有且只有一个,则实数a 14.已知数列{}n a 满足:11a =,2a x =(x N *∈),21n n n a a a ++=-,若前2010项中恰好含有666项为0,则x 的值为 .二、解答题:(本大题共6道题,计90分.解答应写出必要的文字说明、证明过程或演算步骤)15.(本题满分14分)已知函数2()2sin cos 1f x x x x =-++ ⑴求()f x 的最小正周期及对称中心; ⑵若[,]63x ππ∈-,求()f x 的最大值和最小值.16.(本题满分14分)如图,平行四边形ABCD 中,CD BD ⊥,正方形ADEF 所在的平面和平面ABCD 垂直,H 是BE 的中点,G 是,AE DF 的交点.⑴求证: //GH 平面CDE ; ⑵求证: BD ⊥平面CDE .17.(本题满分15分)扬州某地区要建造一条防洪堤,其横断面为等腰梯形,腰与底边成角为60(如图),考虑到防洪堤坚固性及石块用料等因素,设计其横断面要求面积为长为x (米),外周长(梯形的上底.....线段..BC 与两腰长的和......)为y (米). ⑴求y 关于x 的函数关系式,并指出其定义域;⑵要使防洪堤横断面的外周长不超过10.5米,则其腰长x 应在什么范围内?⑶当防洪堤的腰长x 为多少米时,堤的上面与两侧面的水泥用料最省(即断面的外周长最小)?求此时外周长的值.18. (本题满分15分)已知圆22:9C x y +=,点(5,0)A -,直线:20l x y -=.⑴求与圆C 相切,且与直线l 垂直的直线方程; ⑵在直线OA 上(O 为坐标原点),存在定点B (不同于点A ),满足:对于圆C 上任一点P ,都有PBPA为一常数,试求所有满足条件的点B 的坐标.B19.(本小题满分16分)已知数列{}n a ,(0,0,,,0,*)n n n a p q p q p q R n N λλλ=+>>≠∈≠∈. ⑴求证:数列1{}n n a pa +-为等比数列;⑵数列{}n a 中,是否存在连续的三项,这三项构成等比数列?试说明理由; ⑶设{(,)|3,*}n n n n A n b b k n N ==+∈,其中k 为常数,且k N *∈,{(,)|5,*}n n n B n c c n N ==∈,求A B .20.(本题满分16分)已知函数2()f x x x λλ=+,()ln g x x x λ=+,()()()h x f x g x =+,其中R λ∈,且0λ≠. ⑴当1λ=-时,求函数()g x 的最大值; ⑵求函数()h x 的单调区间;⑶设函数(),0,()(),0.f x x x g x x ϕ≤⎧=⎨>⎩若对任意给定的非零实数x ,存在非零实数t (t x ≠),使得'()'()x t ϕϕ=成立,求实数λ的取值范围.2009—2010学年度迎南京市二模数学试卷二一、填空题(本大题共14小题,每小题5分,共70分,请将答案填写在答题卷相应的位置上) 1.已知全集{}4,3,2,1=U ,集合{}{}1,2,2,3P Q ==,则()U P Q = ð {1} . 2.双曲线221416x y -=的渐近线方程为 2y x =± .3.“6πα=”是“1sin 2α=”的 充分不必要 条件. (填“充分不必要”、“必要不充分”、“充要”、“既不充分也不必要”)4.若以连续掷两次骰子分别得到的点数n m ,作为点P 的横、纵坐标,则点P 在直线5=+y x 上的概率为19. 5.如图是某学校学生体重的频率分布直方图,已知图中从左到右的前3个小组的频率之比为1:2:3,第2小组的频数为10,则抽取的学生人数是40 .6.若圆锥的母线长为2cm ,底面圆的周长为2πcm3cm .7.执行右边的程序框图,若15p =,则输出的n = 5 .8.已知函数2log (0)(),3(0)xx x f x x >⎧=⎨≤⎩则1[()]4f f 的值是 19 . 9.等差数列{}n a 中,若124a a +=, 91036a a +=,则10S = 100 .10.已知实数x 、y 满足203500x y x y x y -≤⎧⎪-+≥⎪⎨>⎪⎪>⎩,则y x z )21()41(⋅=的最小值为 161 .11.设向量(cos ,sin )a αα=,(cos ,sin )b ββ=,其中πβα<<<0,若|2||2|a b a b +=-,则βα-=2π. 12.如图,已知12,F F 是椭圆2222:1x y C a b+= (0)a b >>的左、右焦点,点P 上,线段2PF 与圆222x y b +=相切于点Q ,且点Q 为线段2PF 的中点,则椭圆C13.若函数22()243f x x a x a =++-的零点有且只有一个,则实数a 14.已知数列{}n a 满足:11a =,2a x =(x N *∈),21n n n a a a ++=-,若前2010项中恰好含有666项为0,则x 的值为 8或9 .二、解答题:(本大题共6道题,计90分.解答应写出必要的文字说明、证明过程或演算步骤)15.(本题满分14分)已知函数2()2sin cos 1f x x x x =-++ ⑴求()f x 的最小正周期及对称中心; ⑵若[,]63x ππ∈-,求()f x 的最大值和最小值.解:⑴()2cos 22sin(2)6f x x x x π=+=+∴()f x 的最小正周期为22T ππ==, --------------6分 令sin(2)06x π+=,则()212k x k Z ππ=-∈,∴()f x 的对称中心为(,0),()212k k Z ππ-∈;---8分 ⑵∵[,]63x ππ∈- ∴52666x πππ-≤+≤ ∴1sin(2)126x π-≤+≤ ∴1()2f x -≤≤∴当6x π=-时,()f x 的最小值为1-;当6x π=时,()f x 的最大值为2。
2010年鼓楼区初三第二次模拟调研考试英语试卷注意事项:1、本试卷分由第I卷和第II卷两个部分组成,满分96分;时间120分钟;2、请将第I卷的1—45小题的答案填写在答题卡上。
第Ⅰ卷(选择题共45分)一、单项填空(共15小题;每小题1分,满分15分)1. Jane likes listening to ________ music. She listens to CDs at the weekend.A. aB. anC. theD. 不填2. - Are these books yours?- No. The twin brothers came and left them here just now. They’re ________.A. themB. theirC. theirsD. themselves3. - Do you know ___________ the man in a black suit is?- I’m not sure, but he looks like a teacher.A. whatB. whoC. whichD. where4. - Would you like tea or coffee?- ____________. I really don’t mind.A. NeitherB. EitherC. BothD. All5. - Did you get any information about the new school on the Internet?- Well, I was trying to, but found ___________.A. someB. noneC. no oneD. one6. - ________ you _______ the 3D film—Alice in Wonderland?- Yes. I saw it last Saturday night.A. Did; seeB. Had; seenC. Have; seenD. Were; seeing7. - Where do you want to spend your holiday in summer?- I’d like to go _____________.A. somewhere coolB. anywhere coolC. cool somewhereD. cool anywhere8. - It’s my first time to make a speech before so many people. I’m too nervous.- ___________, Wendy. Believe me, you can do it.A. Come onB. Don’t mention itC. You’re rightD. With pleasure9. - Would you please tell Lucy that she ____________ as a volunteer for the 16thAsian Games in Guangzhou yesterday?- Of course. I’ll tell her as soon as she comes back.A. choosesB. choseC. is chosenD. was chosen10. Nancy joins the most clubs of all the students after school, so she has _______free time than othersA. mostB. moreC. fewerD. less11. - Is Jim coming by train?- He should, but he _________ not. He likes driving his car.A. mustB. shouldC. canD. may12. There was a big fire at ten o’clock last night. The firemen arrived in five minutesand ________ the fire soon.A. put upB. put outC. put awayD. put off13. - I hear we’ll have a new English teacher this term.- Really? Do you know _____________?A. what subject he teachesB. if he is a physics teacherC. that he will come soonD. where he is from14. - What’s wrong with you?- It’s too noisy outside. The noise is nearly __________ me mad.A. turningB. keepingC. drivingD. causing15. - How do you like your trip to Shanghai Expo?- _____________.A. I like it very much.B. It’s wonderful.C. I’m not sure.D. The same to you.二、完形填空(共10小题;每小题1分,满分10分)阅读下面短文,从短文后所给各题的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项。
南京市2010届高三第二次模拟考试数学 2010.3.24一、填空题(本大题共14小题,每小题5分,共70分) 1、已知集合{}|lg M x y x ==,{|N x y ==,则MN =2、已经复数z 满足(2)1z i i -=+(i 是虚数单位),则复数z 的模是3、若0,0x y ≥≥,且11x +≤,则z x y =-的最大值是4、已知函数2()21,f x x ax =++其中[]2,2a ∈-,则函数()f x 有零点的概率是5、下图是根据某小学一年级10名学生的身高(单位:cm )画出的茎叶图,其中左边的数字从左到右分别表示学生身高的百位数字和十位数字,右边的数字表示学生身高的个位数字,则选10名学生平均身高是 cm 6、根据如图所示的算法语句,可得输出的结果是 7、等比数列{}n a 的公比q ﹥0,已知11116n m m a a a a ++=++=,则{}n a 的前四项和是8、过点(1,2)的直线l 与x 轴的正半轴,y 轴的正半轴分别交于A 、B 两点,O 为坐标原点,当AOB D 的面积最小时,直线l 的方程是9、若平面向量a,b 满足{a+b }=1,a+b 平行于y 轴,a=(2,-1),则b=10、定义在R 上的奇函数()f x ,当x ∈(0,+∞)时,f(x)=2log x ,则不等式f(x)<-1的解集是 。
11、.以椭圆 22221x y a b+=(a>b>0)的右焦点为圆心的圆经过原点O ,且与该椭圆的右准线交与A ,B 两点,已知△OAB 是正三角形,则该椭圆的离心率是 。
12、定义在R 上的()f x 满足()f x =13,0,(1)(2),0,x x f x f x x -⎧≤⎨--->⎩则(2010)f =13、讲一个半径为5cm 的水晶球放在如图所示的工艺架上,支架是由三根金属杆PA 、PB 、10 7 8 11 2 5 5 6 8 12 3 4 1191Pr int S I While I I I S S IEnd WhileS ←←≤←+←+PC 组成,它们两两成600角。
南京市2010届高三第二次模拟考试物理本试卷分第I卷和第n卷(非选择题)两部分,共120分。
考试用时100分钟。
注意事项:答题前,考试务必将自己的学校、姓名、考试号写在答题纸上。
考试结束后,请交回答题纸。
第I卷(选择题31分)一、单项选择题:本题共5小题•每小题3分•共计15分•每小题只有一个选项符合题意.1 •如图所示•物体A静止在倾角为300的斜面上•现将斜面倾角由300增大到37°。
物体仍保持静止,则下列说法中正确的是A. A对斜面的压力不变B. A对斜面的压力增大C. A受到的摩擦力不变D. A受到的摩擦力增大2. 木星是绕太阳运行的行星之一,而木星的周围又有卫星绕其运行。
如果要通过观测求得木星的质量,则需要测量的量是A .木星运行的周期和轨道半径 B. 卫星运行的周期和轨道半径C .木星运行的周期和卫星的轨道半径 D.卫星运行的周和木星的轨道半径3. 如图为某一控制小灯泡点亮和熄灭的简单逻辑电路图,L为小灯泡,R为电阻箱,R为光敏电阻.有光照射时R'的阻值将显著变小•下列说法中正确的是A. 逻辑电路是或门电路B. 逻辑电路是与门电路C. 有光照射电阻R'时,小灯泡L将发光D. 无光照射电阻R时,小灯泡L将发光4. 如图所示,A B、O C为在同一竖直平面内的四点,其中A、B、O沿同一竖直线,B C同在以O为圆心的圆周(用虚线表示)上,沿AC方向固定有一光滑绝缘细杆L,在O点固定放置一带负电的小球.现有两个质量和电荷量都相同的带正电小球a、b均可视为点电荷,先将a在细杆上.让其从A点由静止开始沿杆下滑,后使b从A点由静止开始沿竖直方向下落,则下列说法中正确的是A. 从A点到C点,小球a做匀加速运动B. 小球a在C点的动能等于小球b在B点的动能C. 从A点到C点,小球a的机械能先增加后减少,但机械能与电势能之和不变。
D. 小球a从A点到C点电场力做的功大于小球b从A点到B点电场力做的功。
2010年江苏省南京市鼓楼区初三语文模拟测试1(时间120分钟,满分120分,含书写分2分)一、(24分)1.下列加点字注音全都正确的一项是()(2分)A 栖息(qī)奢侈(chì)惩戒(chéng)谆谆教导(zhēn)B 驰骋(chéng)鞭笞(chī)伺候(cì)瞠目结舌(táng)C 璀璨(chuǐ)刹那(shà)哺育(bǔ)舐犊之情(shì)D 濒临(bīn)忖度(cǔn)炽热(chì)潸然泪下(shān)2.下列四组词语中,每组都有一个错别字,请找出并改正。
(4分)(1)惬意惆怅销声匿迹脍灸人口(2)沾污真谛骇人听闻情不自禁(3)蜿蜒烦燥融会贯通走投无路(4)宽恕诓骗引经据点浩瀚无垠(1)改为(2)改为(3)改为(4)改为3.用课文原句填空。
(10分)(1)无可奈何花落去,。
(晏殊《浣溪沙》)(2)安得广厦千万间,。
(杜甫《茅屋为秋风所破歌》)(3),自缘身在最高层。
(王安石《登飞来峰》)(4)采菊东篱下,。
(陶渊明《饮酒》)(5),甲光向日金鳞开。
(李贺《雁门太守行》)(6)欲渡黄河冰塞川,。
(李白《行路难(其一)》)(7)几处早莺争暖树,_______________ ____。
(白居易《钱塘湖春行》)(8) ,后天下之乐而乐。
(范仲淹《岳阳楼记》)(9)苟全性命于乱世,。
(诸葛亮《出师表》)(10)古代诗文博大精深,包含着丰富的文化,有许多成语就直接出自古诗文。
请从下列成语中任选一个写出相应的诗文。
(连续两句)①任重道远②悲欢离合③扑朔迷离_______________ ___,_______________ ___4.阅读下面名著片段,回答问题。
(3分)昨天,我们在归路上遇见全体的皇族。
我们远远里就已看见。
歌德挣脱了我的手臂,站在大路一旁。
我徒然对他说尽我所有的话,不能使他再走一步。
于是我按了一按帽子,扣上外衣的钮子,背着手,望最密的人丛中撞去。
xx学校xx学年xx学期xx试卷姓名:_____________ 年级:____________ 学号:______________题型选择题填空题简答题xx题xx题xx题总分得分一、xx题评卷人得分(每空xx 分,共xx分)试题1:我们能区分不同老师声音的主要依据是A.音色 B.音调 C.响度 D.频率试题2:如图所示的四种情景中,属于重力势能转化为动能的过程是A.图A运动员把弯弓拉开将箭射出B.图B跳水运动员从空中下落C.图C运动员骑自行车冲向坡顶D.图D跳伞运动员匀速下落A BC D试题3:下列微粒按空间尺度从大到小排列的顺序是A.水分子、氢原子、质子、夸克B.水分子、氢原子、夸克、质子C.水分子、夸克、氢原子、质子D.氢原子、水分子、质子、夸克试题4:一位跳伞运动员在下落过程中,看到身旁的直升飞机在向上运动,则直升飞机相对于地面的运动情况为A.一定上升 B.一定下降 C.一定静止 D.可能上升,可能下降试题5:把干净的玻璃板吊在弹簧测力计的下面,记下弹簧测力计的读数.如图让玻璃板的下表面接触水面,然后稍稍用力向上拉,发现弹簧测力计读数变大,其原因是玻璃板与水的接触面之间存在A.浮力B.摩擦力C.分子引力 D.大气压力试题6:生活中我们会见到或使用许多机械,好像用它们无所不能,事实上用它们永远做不到A.省力 B.省距离 C.省功 D.省时试题7:在探究凸透镜成像规律的实验中,当烛焰、凸透镜、光屏位于如图所示的位置时,烛焰在光屏上呈现一个清晰放大的像.要使烛焰在光屏上呈现一个清晰缩小的像,调节的方法是A.透镜不动,蜡烛远离透镜移动,光屏靠近透镜移动B.透镜不动,蜡烛远离透镜移动,光屏远离透镜移动C.透镜不动,蜡烛靠近透镜移动,光屏远离透镜移动D.蜡烛不动,透镜不动,光屏靠近透镜移动试题8:如图所示,物体在重力、支持力和摩擦力的作用下沿水平面向右做减速直线运动。
假设在运动过程中重力突然消失,物体将A.立即停止运动B.向右沿水平方向做减速直线运动直至停止C.向右上方做匀事直线运动D.向右沿水平方向做匀速直线运动试题9:某四冲程汽油机工作时转速是2400r/min。
2010年鼓楼初三调研卷一、积累与运用(25分)1.用课文原句填空(10分)(1)乱花渐欲迷人眼,。
(白居易《钱塘湖春行》)(2)落红不是无情物, 。
(龚自珍《己亥杂诗》)(3)受任于败军之际,。
(诸葛亮《出师表》)(4),甲光向日金鳞开。
(李贺《雁门太守行》)(5),风正一帆悬。
(王湾《次北固山下》)(6),见不贤而内自省也。
(《〈论语〉十则》)(7)长风破浪会有时,。
(李白《行路难》)(8)予独爱莲之,。
(周敦颐《爱莲说》)(9)温总理在谈到目前中美关系时,引用了王安石《登飞来峰》中的两句诗“,”,说明我们应该从中美关系超越中美两国利益的高度来正确处理两国关系。
(10)为了转移国内民众的视线,逃避责任,美国一些政客把全球经济失衡原因归咎于中国等新兴市场国家的高储蓄率,这真是“”。
(《醉翁亭记》)2.给加点字注音,并根据拼音写出相应的汉字。
(6分)中华大地fǘ员辽阔,山河壮丽。
无论是mián延巍峨的秦岭,还是雄奇多姿的黄山;无论是澎湃.汹涌的黄河,还是清澈.秀丽的漓江,都让你心驰神往,流连忘返。
如今,她敞.开怀抱,迎接前来参观世博会的各国朋友,向世界展示她独特的mèi力。
(1)澎湃.()(2)清澈.()(3)敞.()开(4)fǘ()员(5)mián()延(6)mèi()力【综合性学习】关注世博会3.以下是A同学草拟的宣传材料,请你帮他斟酌一下。
(2分)举办世博会往往是为了庆祝重大的历史事件或某个国家、地区的重要纪念活动,以展示人类在某一领域中,在政治、经济、文化和科技等方面取得的成就。
举办世博会,不仅给参展国家带来发展的机遇,扩大国际交流和合作,促进经济的发展,而且给举办国家创设巨大的经济效益和社会效益,扩大和宣传了举办国家的知名度和声誉,促进了社会的繁荣和进步。
(1)划线的语句有一处用词不当,请修改。
(2)A同学给这段文字拟了一个自己也不满意的标题,请你帮他修改。
2010迎南京市二模试卷一一、填空题:(本大题共14小题,每小题5分,共70分.请将答案填入答题纸填空题的相应答题线上。
) 1.已知集合{}1,2,3A =,{}2,B a =,若{}0,1,2,3A B = ,则a 的值为______ _______. 2.若函数2sin()4y a ax π=+的最小正周期为π,则正实数a =______ ______.3.设()f x 是定义在R 上的奇函数,且(3)(2)2f f +-=,则(2)(3)f f -=______ _______. 4.3sin 5α=,3cos 5β=,其中(0,)2παβ∈、,则5.已知双曲线:C 22221(0,0)x y a b a b-=>>则双曲线C 的焦点坐标是______ _______.6.右边的流程图最后输出的n 的值是______ _______.7.已知函数)1,0(log )(≠>=a a x x f a ,若)2(f <则实数a 的取值范围是____ ______.8.若数列{}n a 是各项均为正数的等比数列,则当n b =数列{}n b 也是等比数列;类比上述性质,若数列{}n c 是等差数列,则当n d =______ _______时,数列{}n d 也是等差数列.9.i 是虚数单位,若32()4a bi i a b R i+=+∈-、,则a b +的值是______ _______.10.通项公式为2n a an n =+的数列{}n a ,若满足12345a a a a a <<<<,且1n n a a +>对8n ≥恒成立,则实数a 的取值范围是______ _______.11.正三棱锥S ABC -中,2BC =,SB =D E 、分别是棱SA SB 、上的点,Q 为边AB 的中点,SQ CDE ⊥平面,则三角形CDE 的面积为______ _______.12.点(,)a b 在两直线1-=x y 和3-=x y 之间的带状区域内(含边界),则(,)f a b =22244a ab b a b-++-的最小值为______ _______.13.等腰直角三角形ABC 中,90A ∠=︒,AB =,AD 是BC 边上的高,P 为AD 的中点,点M N、分别为AB 边和AC 边上的点,且M N 、关于直线AD 对称,当12PM PN ⋅=- 时,AMMB=__________.14.已知实数x s t 、、满足:89x t s +=,且x s >-,则2()1x s t x st x t+++++的最小值为__________.二、解答题:(本大题共6小题,共90分.解答应写出文字说明,证明过程或演算步骤.) 15.(本小题满分14分)如图,在底面为菱形的直四棱柱1111ABCD A BC D -中,E F 、分别为11A B 、11B C 的中点,G 为DF 的中点;(1)求证:EF ⊥平面11B BDD ; (2)求证:EG ∥平面11AA D D .16.(本小题满分14分)在ABC ∆中,角A B C 、、所对的对边长分别为a b c 、、;(1)设向量)sin ,(sin C B =,向量)cos ,(cos C B =,向量)cos ,(cos C B -=,若)//(+, 求tan tan B C +的值;(2)已知228a c b -=,且sin cos 3cos sin 0A C A C +=,求b .AB CDA 1B 1C 1D 1EGF17.(本小题满分14分)甲、乙两水池某时段的蓄水量随时间变化而变化,甲水池蓄水量(百吨)与时间t (小时)的关系是:()2sin ,[0,12]f t t t =+∈,乙水池蓄水量(百吨)与时间t (小时)的关系是:]12,0[,65)(∈--=t t t g .问:何时甲、乙两水池蓄水量之和达到最大值?最大值为多少?(参考数据:sin 60.279≈-).18.(本小题满分16分)已知椭圆C 的方程为22221(0)x y a b a b+=>>,点A B 、分别为其左、右顶点,点12F F 、分别为其左、右焦点,以点A 为圆心,1AF 为半径作圆A ;以点B 为圆心,OB 为半径作圆B ;若直线:l y x =被圆A 和圆B(1)求椭圆C 的离心率;(2)己知a =7,问是否存在点P ,使得过P 点有无数条直线被圆A 和圆B 截得的弦长之比为34;若存在,请求出所有的P 点坐标;若不存在,请说明理由.19.(本小题满分16分)已知各项均为整数的数列{}n a 满足:91a =-,134a =,且前12项依次成等差数列,从第11项起依次成等比数列.(1)求数列{}n a 的通项公式;(2)若存在正整数m p 、使得:11m m m p m m m p a a a a a a +++++++= ,请找出所有的有序数对(,)m p ,并证明你的结论.20.(本小题满分16分)已知函数2()()f x x x a =-,2()(1)g x x a x a =-+-+(其中a 为常数); (1)如果函数()y f x =和()y g x =有相同的极值点,求a 的值;(2)设0a >,问是否存在0(1,)3a x ∈-,使得00()()f x g x >,若存在,请求出实数a 的取值范围;若不存在,请说明理由.(3)记函数()[()1][()1]H x f x g x =-⋅-,若函数()y H x =有5个不同的零点,求实数a 的取值范围.2010迎南京市二模试卷一一、填空题:(本大题共14小题,每小题5分,共70分.请将答案填入答题纸填空题的相应答题线上。
2009-2010学年第二学期鼓楼区九年级调研测试(二)思想品德(开卷)一、单项选择题(在下列各题的四个选项中,只有一项是最符合题意的。
每小题1分,共25分)1. 2009年9月15日,中国共产党第十七届四中全会在北京举行。
会议通过了《中共中央关于加强和改进新形势下若干重大问题的决定》,强调要坚持把思想理论建设放在党的建设的首位。
A.党的建设B.农村建设C.经济建设D.能源建设2.《国家中长期教育改革和发展规划纲要(公开征求意见稿)》提出“到2020年,基本实现教育现代化,基本形成学习型社会,进入行列”的战略目标。
A.人力资源大国B.科技强国C.人力资源强国D.教育强国3.右图是上海会徽。
本次盛会的主题是“城市,让生活更美好”,预计本次盛会参观人次将达到7000万人次以上。
A.亚洲运动会B.世界经济论坛C.世界博览会D.环境保护论坛4.2009年12月26日上午9时,目前世界上一次建成里程最长、运营速度最快的高速铁路——_______高速铁路在我国正式投入运营。
A.天津至北京B.福州至广州C.武汉至广州D.北京至上海5. 2009年10月29日,中国历史上运算速度最快的计算机“”在湖南长沙国防科学技术大学诞生。
我国成为世界上第二个能够研制千万亿次超级计算机系统的国家。
A.深腾7000B.曙光5000AC.银河一号D. 天河一号6.我们要肯定生命、珍爱生命的理由在于A.人类的生命最具有独特性B.生命的价值能够无限延伸C.每个生命都有存在的价值 D.人类的生命能创造出价值7.,就是既要看到自己的优势,也要看到自己的不足。
A.学会自我欣赏B.发展的眼光看自己C.全面认识自己D.通过他人了解自己8.“换位思考,与人为善”就是A.团结友爱、做事公正B.宽容他人、凡事迁就C.想人所想、理解至上 D.严以待人、宽以待己9.诚实与谎言A.绝对不相容,诚实的人绝不说谎B.说谎的次数少,就还是诚实的人C.诚实与谎言并不矛盾,本质一致 D.善意的谎言并不违背诚实的道德10.对公民法定权利与义务关系认识正确的是A.权利即义务,两者具有一致性B.放弃享受权利就可以不履行义务C.两者相互独立,没有任何联系D.享有权利的同时,必须履行义务11.青少年要自觉履行受教育的义务,这对于民族、国家的意义在于A、有利于国家富强B、是体贴孝顺父母的表现C、有利于个人成功D、有利于维护集体的荣誉12.之所以说“众人拾柴火焰高”,这是因为A、集体是个人利益的保障B、团结的集体才有凝聚力C、关爱集体是我们的责任D、要自觉维护集体的荣誉13.把我国建设成为富强民主文明和谐的社会主义现代化国家,是现阶段A、我国各族人民的共同理想B、我国各族人民的最高理想C、全面建设小康社会的目标D、建设和谐社会的具体要求14. 下列选项能直接体现法律特征的是A.路人纷纷谴责李某乱闯红灯 B.法院判决林某有期徒刑三年C.公司制定员工考勤制度 D.学校处分违反校纪学生15. 下列行为不属于侵犯他人隐私权的是A. 小李出于好奇心未经许可拆看了同事的信件B. 小张购买了一本关于某明星私人生活的自传C. 热心群众李某擅自窃听犯罪嫌疑人家庭电话D. 某公司职员私自在网络上出售客户的个人信息16.1978年以来,我国的贫困人口已经从2.5亿下降到目前的1400万,取得这一成绩的根本原因是A.坚持以经济建设为中心,大力发展社会生产力B.农业人口进行了转移,工业、商业得到了发展C.坚持控制人口,提高了农民的总体素质和文化D.国家的综合国力明显提高,国际地位日益提高17.下面是某班几位同学撰写戒除网瘾小论文时拟定的题目,你认为不恰当的是A.拒绝网络,避免沾染恶习B.自觉守法,抵制不良诱惑C.沉迷网络,酿造悲剧人生D.增强自律,培养坚强意志18.社会主义初级阶段,我国必须坚持的基本经济制度是A.以全民所有制经济为主体,多种所有制经济共同发展B.以私有制为主体,多种所有制经济共同发展C.以按劳分配为主体,多种所有制经济共同发展D.以公有制为主体,多种所有制经济共同发展19.下列不能体现公民正确行使建议权、监督权的选项是A.向有关部门提出自己的建议 B.对违法犯罪的行为及时举报C.用贴大字报的方法进行投诉 D.通过媒体对劣质产品进行曝光20.从内容上看,宪法之所以是国家根本大法,这是因为A.宪法对全体公民都具有约束力 B.宪法规定国家生活中的根本问题C.其他法律都必须依据宪法制定D.宪法修改程序更为严格21.建设社会主义法治国家,实行依法治国,关键在于A、有法可依B、违法必究C、执法必严D、依宪治国22.宪法与未成年人保护法相比较,下列说法正确的是A.只有宪法才具有普遍的约束力 B.只有宪法才具有最高法律效力C.都规定国家生活中的根本问题 D.都是实施依法治国的根本依据23.我们党、我们国家兴旺发达和长治久安的根本要求是A.加强思想道德建设 B.以经济建设为中心C.坚持四项基本原则D.坚持对外开放24.某政府部门的工作人员对前来办事的市民章某态度傲慢,表现得极不耐烦。
2010年鼓楼区初三第二次模拟调研考试英语试卷注意事项:1、本试卷分由第I卷和第II卷两个部分组成,满分96分;时间120分钟;2、请将第I卷的1—45小题的答案填写在答题卡上。
第Ⅰ卷(选择题共45分)一、单项填空(共15小题;每小题1分,满分15分)1. Jane likes listening to ________ music. She listens to CDs at the weekend.A. aB. anC. theD. 不填2. - Are these books yours?- No. The twin brothers came and left them here just now. They’re ________.A. themB. theirC. theirsD. themselves3. - Do you know ___________ the man in a black suit is?- I’m not sure, but he looks like a teacher.A. whatB. whoC. whichD. where4. - Would you like tea or coffee?- ____________. I really don’t mind.A. NeitherB. EitherC. BothD. All5. - Did you get any information about the new school on the Internet?- Well, I was trying to, but found ___________.A. someB. noneC. no oneD. one6. - ________ you _______ the 3D film—Alice in Wonderland?- Yes. I saw it last Saturday night.A. Did; seeB. Had; seenC. Have; seenD. Were; seeing7. - Where do you want to spend your holiday in summer?- I’d like to go _____________.A. somewhere coolB. anywhere coolC. cool somewhereD. cool anywhere8. - It’s my first time to make a speech before so many people. I’m too nervous.- ___________, Wendy. Believe me, you can do it.A. Come onB. Don’t mention itC. You’re rightD. With pleasure9. - Would you please tell Lucy that she ____________ as a volunteer for the 16thAsian Games in Guangzhou yesterday?- Of course. I’ll tell her as soon as she comes back.A. choosesB. choseC. is chosenD. was chosen10. Nancy joins the most clubs of all the students after school, so she has _______free time than othersA. mostB. moreC. fewerD. less11. - Is Jim coming by train?- He should, but he _________ not. He likes driving his car.A. mustB. shouldC. canD. may12. There was a big fire at ten o’clock last night. The firemen arrived in five minutesand ________ the fire soon.A. put upB. put outC. put awayD. put off13. - I hear we’ll have a new English teacher this term.- Really? Do you know _____________?A. what subject he teachesB. if he is a physics teacherC. that he will come soonD. where he is from14. - What’s wrong with you?- It’s too noisy outside. The noise is nearly __________ me mad.A. turningB. keepingC. drivingD. causing15. - How do you like your trip to Shanghai Expo?- _____________.A. I like it very much.B. It’s wonderful.C. I’m not sure.D. The same to you.二、完形填空(共10小题;每小题1分,满分10分)阅读下面短文,从短文后所给各题的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项。
九年级物理试卷本试题分第1卷(选择题)和第Ⅱ卷(非选择题)两部分,总分100分,考试时间100分钟:注意事项:答题前,考生务必将自己的姓名、班级、学号写在答题纸的密封线内.答案写在答题纸上对应题目的答案空格内,答案不要写在试卷上.考试结束后,交回答题纸.第1卷(选择题共24分)一、选择题(本题共12小题,共24分)1.以下对于物理量的估测中,你认为最符合实际的是A.初中生正常步行的速度是8m/sB.教室里每盏日光灯正常工作时的电流约为1AC.一瓶普通矿泉水的质量大约是50gD.我们洗澡时较为适合的水温约42o C2.有一种专门存放贵重物品的“银行”,当人们存放了自己的贵重物品后,要用仪器记录下自己的“手纹”、“眼纹”、“声纹”等,以便今后用这些自己独有的特征才能亲自取走东西,防止被别人盗领走,这里的“声纹"主要记录的是人说话的A.音调 B.响度 C.音色 D.声速3.如图所示,使用中属于费力杠杆的工具是4.下列光学现象及其解释正确的是A.图a中,漫反射的光线杂乱无章,因此不遵循光的反射定律B.图b中,木工师傅观察木板是否光滑平整利用了光直线传播的性质C.图c表示的是小孔成像情况,屏幕上出现的是物体倒立的虚像D.图d表示太阳光经过三棱镜色散后的色光排列情况一1一5.晴朗无风的早晨,当飞机从空中飞过,在蔚蓝的天空中会留下一条长长的“尾巴”,如图所示,这种现象俗称为“飞机拉烟”。
产生这一现象的原因之一是飞机在飞行过程中排出的暖湿气体遇冷所致。
在这一过程中,暖湿气体发生的物态变化是A.熔化 B.液化C.蒸发 D.升华6.我们今天使用的能源有化石能源、风能、水能、太阳能、地热能、核能、电能、生物质能等。
下列对这些能源分类正确的是A.地热能、电能、生物质能都是“一次能源’’B.太阳能、地热能、电能都是“二次能源”C.化石能源、核能、太阳能都是“不可再生能源"D.风能、水能、生物质能都是“可再生能源”7.图为研究磁场对通电导线作用的实验装置,当接通电源,有电流由a至b通过导线ab时,它将受到磁场力作用而向左运动,则A.当磁场方向相反时,ab将向右运动,电能转化为机械能B.当电流方向相反时,ab将向右运动,机械能转化为电能C.当电流和磁场方向同时改变时,ab将向右运动,电能转化为机械能D.当电流和磁场方向同时改变时,ab将向左运动,机械能转化为电能8.电吹风由电动机和电热丝等组成。
九年级数学参考答案及评分标准一、选择题 (每小题2分,共12分)二、填空题(每小题2分,共20分)7.2 8.4 9.m <1 10. -3<x ≤0 11. 变小,变小 12. 53 13. -2<m <0 14.100° 15.7 16. -3<x <1三、解答题17.解:原式=4+2-2×1 …4分=4 …5分 18. 解:原式=x x x x x )1)(1(1111+-⨯⎪⎭⎫⎝⎛+-- ………1分 =xx x x 11--+ ………3分 =x2………4分 解方程(x -1)(x +2)=0,得x 1=1,x 2=-2 ………5分 取x =x 2=-2代入,原式=-1 ………6分 19.(1)甲和乙 ………2分 (2)(260+250+235)÷1000 ………4分 =74.5%, ………5分 答:该校七、八、九三个年级学生的平均体育达标率为74.5%…6分20.解:设甲公司人均捐款为x 元,则乙公司人均捐款为(x -10)元.…1分 由题意得:101800018000-=x x ×(1-10%) ………4分 解得x =100 ………5分经检验x =100是原方程的解 ………6分答:甲、乙两公司人均捐款分别为100、90元. ………7分 21.解:(1)50,25 ………2分 (2)设线段BC 的函数关系式为y =kx +b (k ≠0) 因为点B (1,50),C (3,0)在函数图像上,所以⎩⎨⎧+=+=b k bk 3050 ………3分解得⎩⎨⎧=-=7525b k ………4分所以线段BC 的函数关系式为y =-25x +75. 当y =20时,求得x =2.2 所以小明骑车的速度为20÷2.2=11100km/h . ………5分 (3)点P 的实际意义为:小明出发2.2小时后,小明与小亮两人相遇,此时,两人离甲地的距离为20km . ………7分 22.证明:(1)∵△AD′B 与△ADB 关于直线AB 成轴对称 ∴∠DBA =∠D′BA ………1分 又∵四边形AD′BC 为平行四边形 ∴AC ∥D′B ∴∠CAB =∠D′B A ………2分 ∴∠CAB =∠DBA ∴OA =OB ………3分 (2)∵△AD′B 与△ADB 关于直线AB 成轴对称 ∴DB =D′B又∵四边形AD′BC 为平行四边形 ∴AC =D′B ∴AC =D B ………4分 又∵OA =OB ∴DO =CO ∴∠ODC =∠OCD ………5分 又∵∠DOC =∠AOB ,∠CAB =180°-∠AOB 2 ,∠ACD = 180°-∠DOC2……6分∴∠CAB =∠ACB ∴AB ∥CD ………7分23. 解:(1)列表为:摸出2球结果共12种,它们出现的可能性相同. …2分 所以 ,P (两红)=16 , P (一红一白)=13 , P (一红一蓝)=13 , P (一白一蓝)=16 .…4分(2)方法1:∵去两商场摸奖一次获得礼金券最低都为5元,而去甲商场购物摸一次奖获10元礼金券的概率是P (甲)=23…5分去乙超市购物摸一次奖获10元礼金券的概率是P (乙)=13…6分∴我选择去甲超市购物; …7分 方法2:在甲商场获礼金券的平均收益是:16 ×5+13 ×10+13 ×10+16 ×5=253 …5分在乙商场获礼金券的平均收益是:16 ×10+13 ×5+13 ×5+16 ×10=203 …6分∴我选择到甲商场购物. …7分24.解:(1)画点D′正确…1分,画AE 正确…3分(2)连接 D′E , 由折叠可知 A D′=AD =5,而AB =3, 可求得B D′=4,∴C D′=1 ………4分Rt △E D′C 中,设E D′=x ,得CE =3-x ,由勾股定理得: x 2=1+(3-x )2,………5分解得x =53 ,即ED =ED ′=53 ………6分(其他解法参照给分)C D FGH25.解:(1)由题意知,AE =AH =CF =CG =x , EB =DG =40-x ,DH =EF =20-x …1分∴S 草坪=x 2+ (40-x )( 20-x )=2x 2-60x +800, ……2分S 花圃=S 矩形-S 草坪=800-(2x 2-60x +800)=60x -2x 2 ………3分∴y =60(2x 2-60x +800)+40(60x -2x 2)=40 x 2-1200x +48000 ………4分 其中:0<x ≤20 ………5分(2)y =40 x 2-1200x +48000=40 (x -15)2+39000 …7分 所以,当AE 长为15m 时, 总费用最少,………8分 最少总费用需39000元. ………9分26.解:(1)在Rt △CP A 中,∠CAP =45°,AP =30 所以CA =2AP =302,即轮船的航行速度为302 km/h .…2分 (2)过点B 作BD ⊥AP 于点D .设BD =x ,则AD =x , PD =x -30, ………3分 在Rt △BDP 中,∠BPD =58°,所以,tan ∠BPD =BDDP………4分即tan58°=x x -30 ,所以xx -30 ≈1.60,解得x ≈80 ………5分所以,AB =2BD ≈802 ………6分 所以轮船从港口A 到达小岛B 需要的时间为:802÷302≈2.7 h ………7分27.证明:连接OC ,OD .∵PC 与⊙O 相切于点C ,∴∠OCP =90°………1分∵OC =OD ,OP =OP ,PD =PC ∴△OCP ≌△ODP ………2分∴∠ODP =∠OCP =90°…3分又∵点D 在⊙O 上,∴PD 是⊙O 的切线.………4分(2)①∵OA =OD ,∴∠OAD =∠ODA ,∴∠POD =2∠OAD∵AD =PD ,∴∠DAP =∠APD ∴∠POD =2∠APD …5分 ∵∠ODP =90°,∴∠APD =30° ………6分 ②∵∠ODP =90°,∠APD =30°∴PO =2DO又∵OB =DO ,PB =2 ∴OB =DO =PB =2, ………7分 ∴在Rt △PDO 中,∠POD =60°,PD =23, ∴∠COD =2∠POD =120°…8分∴S 扇形OCBD =2360120R π=π34, S 四边形OCPD =2S △ODP =43 ………9分 ∴S 阴影部分=S 四边形OCPD -S 扇形OCBD =43-π34………10分ABP C32°45°DA28.解:(1)①证明:∵OM ∥BN ,MN ∥OB ,∠AOB =900∴四边形OBNM 为矩形.∴MN =OB =2,∠PMO =∠CNP =900∵AO =BO =2, ∴AM =PM .…1分 ∴OM =OA -AM =2-AM ,PN =MN -PM =2-PM ∴OM =PN ………2分∵∠OPC =900∴∠OPM +∠CPN =900又∵∠OPM +∠POM =900∴∠CPN =∠POM ……3分 ∴△OPM ≌△PCN ………4分 ②(x 22,2-x 22),(2, 2-x 2)………6分(2)△PBC 有可能成为等腰三角形(ⅰ)当点P 与点A 重合时,PC =BC =2,△PBC此时,点P 的坐标为(0,2)………8分(ⅱ)当点C 在第四象限,且PB =CB 时,△PBC ∵ BN =PN =2-x 22,∴PB =2PN =22-x 仿照(1)①可知NC =MP =x 22,∴BC =NC -BN =x 2由BC =PB 得x 2-2=22-x ………9分解得x =2,此时,点P 的坐标为(2,2-2) ……∴使△PBC 成为等腰三角形的点P 的坐标为(0,2),(2,2-2).………11分。
鼓楼区第二次模拟考试参考答案(化学)一、二选择题:共25分1-15每题1分。
16-20每题2分,有一个或两个符合要求的答案,错选,多选不给分。
有两个答案的,只选一个且正确的,给1分。
题号 1 2 3 4 5 6 7 8 9 10 答案 A D C A A C C D C A 题号 11 12 13 14 15 16 17 18 19 20 答案DBACCBABCCBD三、填空题(本题包括5小题,共22分)21.(共5分)(1)Ⅰ.C(0.5分)Ⅱ.A(0.5分)Ⅲ.E(0.5分)Ⅳ.D) (2)Ⅰ. K + 或Mg 2+ ;(0.5分)Ⅱ. H 2;(1分)Ⅲ. O 2(0.5分) (3).Ⅰ.④(0.5分)Ⅱ. ①(0.5分) 22.(每空0.5分,共5分)氦气 氧化铁 碳酸 He Ba(OH)2 NaNO 3氧化物碱酸盐23.(每题1分,共5分)(条件、箭头错≥1处总扣分)(1)KOH+HNO 3=KNO 3+H 2O (2)Zn +H 2SO 4=ZnSO 4+H 2↑ (3)Al +3AgNO 3=Al (NO 3)3+3Ag (4)C 2H 5OH+3O 22CO 2+3H 2O(5)S+O 2SO 224.(每空分共2分)(1)硅(2)①(3)得(4)NaNO 3或Na 2CO 3 25.(每空1分共5分,条件、箭头错≥) (1)2CO (2)O H 2O H 2222点燃+化合反应(3)O H 2CaCl HCl 2)OH (Ca 222+=+↓+=+3232CaCO NaOH 2)OH (Ca CO Na四、(本题包括2小题,共16分)26、(每空1分,共7分)[实验一](1)A B C F G 或A C E G;二氧化碳或氢气(2)气密性(3)2 H2O2 2 H2O + O2↑(条件、箭头错≥1处总扣0.5分)(4)将带火星的木条伸入集气瓶内[实验二]结论:实验一反应后溶液中含有碳酸根离子[反思与评价]甲剂一定含有钠、碳和氧三种元素(或甲剂可能是过碳酸钠)27.(共9分)⑴①除去CO2(1分)②将导管从水槽中移出,熄灭酒精灯(1分)⑵D(1分)⑶①21:8(2分),②不正确;(1分)混合气体中的CO2会进入装置,使测定结果不准确;(1分)盛有氢氧化钠溶液的洗气瓶(或装有碱石灰的干燥管);(1分)是(1分)五、(本题包括1小题,共10分)28、(共10分)(1)Fe3+(1分)过滤(1分)烧杯(0.5分)玻璃棒(0.5分)漏斗(0.5分)(2)吸附水中的可溶性杂质(0.5分)(3){}高(1分)CaCO3+ 2HAc === CaAc2+ H2O + CO2↑(2分)草酸钙(1分)含有(1分)与豆腐中含有丰富的钙反应产生草酸钙(1分)六、(本题包括2小题,共8分)29.(2分)30.(共5分)(1)3:4:3(1分)(2)54.5%(1分)(3)(共3分)设20.00 g橙汁含维生素C的质量为xC6H8O6+I2=C6H6O6+2HI176 2541分x g×1.00%x=254%00.1g 40.25176⨯⨯=维生素C%=g00.20g176.0×100%=0.88%。
2010-2011学年第二学期八年级生物测试试卷(二)答题卷34.(每空1分,共4分)(1)(2)(3);35.(每空1分,共4分)(1)(2)(3)四.简答题(每空1分,共20分)31.(每空1分,共4分)(1);(2)(3)32.(每空1分,共4分)(1);(2);33.(每空1分,共5分)(1);(2); %(3)学校姓名班级正确填涂错误填涂1、答题前,请考生将姓名、学校填写在密封线内。
2、选择题答案请用2B铅笔填涂;非选择题请用0.5毫米黑色水笔书写,字体工整,笔迹清楚。
3、请按照题号顺序在各题目的指定答题区域内作答,超出答题区域的答案无效;在草稿纸、试题卷上答题无效。
4、保持卡面清洁,不要弄皱、弄破或折叠。
不得使用涂改液、修正带、刮纸刀。
缺考标记,考生禁填!由监考教师用2B铅笔填涂选择。
填涂样例注意事项第I卷(共25分)一.单项选择题(下列各题的四个选项中,只有一项符合题意。
每题1分,共20分)请将正确答案填涂在答题卡上二.判断题(判断下列各题,正确的选A,错误的选B。
每题1分,共5分)请将正确答案填涂在答题卡上第II卷(共25分)三.配伍题:(请将下列左侧生理现象与右侧内容进行合理搭配。
每题1分,共5分)26.()27.()28.()29.()30.()座位号请在各题目的答题区域内作答,超出黑色矩形边框限定区域的答案无效请在各题目的答题区域内作答,超出黑色矩形边框限定区域的答案无效请在各题目的答题区域内作答,超出黑色矩形边框限定区域的答案无效请在各题目的答题区域内作答,超出黑色矩形边框限定区域的答案无效请在各题目的答题区域内作答,超出黑色矩形边框限定区域的答案无效请在各题目的答题区域内作答,超出黑色矩形边框限定区域的答案无效**。
2010迎南京市二模试卷一一、填空题:(本大题共14小题,每小题5分,共70分.请将答案填入答题纸填空题的相应答题线上。
) 1.已知集合{}1,2,3A =,{}2,B a =,若{}0,1,2,3A B =,则a 的值为______ _______.2.若函数2sin()4y a ax π=+的最小正周期为π,则正实数a =______ ______.3.设()f x 是定义在R 上的奇函数,且(3)(2)2f f +-=,则(2)(3)f f -=______ _______. 4.3sin 5α=,3cos 5β=,其中(0,)2παβ∈、,则5.已知双曲线:C 22221(0,0)x y a b a b-=>>则双曲线C 的焦点坐标是______ _______.6.右边的流程图最后输出的n 的值是______ _______.7.已知函数)1,0(log )(≠>=a a x x f a ,若)2(f <则实数a 的取值范围是____ ______.8.若数列{}n a 是各项均为正数的等比数列,则当n b =数列{}n b 也是等比数列;类比上述性质,若数列{}n c 是等差数列,则当n d =______ _______时,数列{}n d 也是等差数列.9.i 是虚数单位,若32()4a bi i a b R i+=+∈-、,则a b +的值是______ _______.10.通项公式为2n a an n =+的数列{}n a ,若满足12345a a a a a <<<<,且1n n a a +>对8n ≥恒成立,则实数a 的取值范围是______ _______.11.正三棱锥S ABC -中,2BC =,SB =D E 、分别是棱SA SB 、上的点,Q 为边AB 的中点,SQ CDE ⊥平面,则三角形CDE 的面积为______ _______.12.点(,)a b 在两直线1-=x y 和3-=x y 之间的带状区域内(含边界),则(,)f a b =22244a ab b a b-++-的最小值为______ _______.13.等腰直角三角形ABC 中,90A ∠=︒,AB =,AD 是BC 边上的高,P 为AD 的中点,点M N、分别为AB 边和AC 边上的点,且M N 、关于直线AD 对称,当12PM PN ⋅=-时,AMMB=__________.14.已知实数x s t 、、满足:89x t s +=,且x s >-,则2()1x s t x st x t+++++的最小值为__________.二、解答题:(本大题共6小题,共90分.解答应写出文字说明,证明过程或演算步骤.) 15.(本小题满分14分)如图,在底面为菱形的直四棱柱1111ABCD A BC D -中,E F 、分别为11A B 、11B C 的中点,G 为DF 的中点;(1)求证:EF ⊥平面11B BDD ; (2)求证:EG ∥平面11AA D D .16.(本小题满分14分)在ABC ∆中,角A B C 、、所对的对边长分别为a b c 、、;(1)设向量)sin ,(sin C B =,向量)cos ,(cos C B =,向量)cos ,(cos C B -=,若)//(+, 求tan tan B C +的值;(2)已知228a c b -=,且sin cos 3cos sin 0A C A C +=,求b .AB CDA 1B 1C 1D 1EGF17.(本小题满分14分)甲、乙两水池某时段的蓄水量随时间变化而变化,甲水池蓄水量(百吨)与时间t (小时)的关系是:()2sin ,[0,12]f t t t =+∈,乙水池蓄水量(百吨)与时间t (小时)的关系是:]12,0[,65)(∈--=t t t g .问:何时甲、乙两水池蓄水量之和达到最大值?最大值为多少?(参考数据:sin 60.279≈-).18.(本小题满分16分)已知椭圆C 的方程为22221(0)x y a b a b+=>>,点A B 、分别为其左、右顶点,点12F F 、分别为其左、右焦点,以点A 为圆心,1AF 为半径作圆A ;以点B 为圆心,OB 为半径作圆B ;若直线:l y x =被圆A 和圆B(1)求椭圆C 的离心率;(2)己知a =7,问是否存在点P ,使得过P 点有无数条直线被圆A 和圆B 截得的弦长之比为34;若存在,请求出所有的P 点坐标;若不存在,请说明理由.19.(本小题满分16分)已知各项均为整数的数列{}n a 满足:91a =-,134a =,且前12项依次成等差数列,从第11项起依次成等比数列.(1)求数列{}n a 的通项公式;(2)若存在正整数m p 、使得:11m m m p m m m p a a a a a a +++++++=,请找出所有的有序数对(,)m p ,并证明你的结论.20.(本小题满分16分)已知函数2()()f x x x a =-,2()(1)g x x a x a =-+-+(其中a 为常数); (1)如果函数()y f x =和()y g x =有相同的极值点,求a 的值;(2)设0a >,问是否存在0(1,)3a x ∈-,使得00()()f x g x >,若存在,请求出实数a 的取值范围;若不存在,请说明理由.(3)记函数()[()1][()1]H x f x g x =-⋅-,若函数()y H x =有5个不同的零点,求实数a 的取值范围.2010迎南京市二模试卷一一、填空题:(本大题共14小题,每小题5分,共70分.请将答案填入答题纸填空题的相应答题线上。
南京市鼓楼区九年级第二次模拟调研测试数学试卷满分 120分考试时间120分钟以下各题所附的四个选项中,有且只有一个是正确的.一、选择题(每题 2 分,共20 分)1.3的倒数是()1 1C.3 D. 3A. B .3 32.计算(a3b)2结果正确的选项是()A. a9b B.a9b2 C.a3b2 D. a6b23.某班 45 名同学的年纪散布状况如下图,则该班学生年纪的众数是()人数25 2020 151510 4 6511 1213 14 年纪A. 12 B. 13 C.15 D.204.4的值为()A.±2 B . 2 C.±2 D. 25.某商品原价 200 元,连续两次降价a%后售价为 148 元,以下所列方程正确的选项是()A. 148(1+ a%)2=200 B. 200( 1- a%)2=148C. 200( 1- 2a%) =1482D . 200( 1- a %)=1486.二次函数 y=x 2+ 2x- 1 的最小值是()A.- 1 B.- 2 C. 1 D. 217.在△ ABC 中,若∠ C=90°, cosA=2,则∠ A等于()A. 30°B. 45°C. 60°D. 90°8.如图,已知点 A 的坐标为( 1, 0),点 B 在直线 y=- x 上运动,当线段AB 最短时,点B的坐标为()A.( 0, 0)B.( 1,- 1 C.(1,-1)D.( 2 , 2 )2 2 2 29.某气球内充满了必定质量的气体,当温度不变时,气球内气体的气压P(kPa )是气体体积 V ( m3)的反比率函数,其图象如下图.当气球内的气压大于120 kPa 时,气球将爆炸.那么,负气球爆炸的体积范围是()A .不小于5 m3 B.小于5 m3 C.不小于4 m3 D .小于4 m3 4 4 5 510.定义:定点现有一矩形别相切于点P 与⊙ O 上的随意一点之间的距离的最小值称为点P 与⊙ O 之间的距离. ABCD (如图), AB=14cm , BC=12cm ,⊙ K 与矩形的边 AB 、BC、 CD E、 F、 G,则点 A 与⊙ K 的距离为()分A .4cm B.8cm C. 10cm D .12cm二、填空题(每题3分 ,共 18分)11 312.依据如下图的程序计算,若输入x 的值为1,则输出y 的值为.13.一次函数的图象过点(1, 2),且函数值 y 跟着自变量 x 的增大而减小,写出一个符合这个条件的一次函数的表达式:.14.依据下表中的规律,表中的空格中应填写的数字是.000110 010 100 111 001 10115.如图,菱形 ABCD 的对角线 AC 和 BD 订交于点 O ,过点 O 的直线分别交 AB 和 CD于点 E 、F , BD=6 , AC= 4 ,则图中暗影部分的面积和为.16.如 图是一 张简略 活动餐 桌平放在地面上 ,假如两条桌腿的张角(∠ COD )为 120°,OA=OB , OC=OD ,桌面离地面的高度为 70cm (不考虑桌面厚度) ,那么桌腿 AD 长 应 为cm .三 、 ( 每题 6分,共 24分)17 .化简: 14 ·a2 .a24a18.求不等式组x3 3 x 1的整数解.21) 8 x 1 3( x19.如图,在矩形 ABCD 中,点 E 、 F 分别在 CA 、 AC 的延伸线上,且AE=CF .请确立四边形 BEDF 的形状,并证明你的结论.EADBCF20.如图,在平面直角坐标系中,图形①与图形②对于点P 成中心对称.(1)画出对称中心P,并写出点P的坐标;(2)将图形②向下平移 4 个单位,画出平移后的图形③;⑶请详细说明图形③经过如何变换可直接获得图形①.四、(第 21题5分,第 22题6分,共11分)21.下表是某居民小区五月份的用水状况:月用水量(米3)45 6户数237( 1)计算 20 户家庭的月均匀用水量;( 2)假如该小区有500 户家庭,依据上边的计算结果,预计这859112 1500 户家庭该月共用水多少立方米?22.阴历正月十五元宵节有吃汤元的风俗.小华的妈妈在包的48 个汤元中,有两个汤元用红枣做馅,与其余汤元不一样馅.现每碗盛8个汤元,共盛 6 碗,且两个红枣汤圆被盛到不一样的碗里,若小华吃2碗,则吃到包有红枣的汤元,.(1)小华吃的两碗中都有红枣汤元的概率;(2)小华吃到红枣汤元的概率.五、(第 23题7分,第 24题8分,共15分)23.某中学数学活动小组利用周日展开课外实践活动,他们要在湖面上丈量建在地面上某塔AB 的高度.如图,在湖面上点 C 测得塔顶 A 的仰角为45 ,沿直线CD 向塔AB 方向行进 18 米抵达点 D ,测得塔顶 A 的仰角为60 .已知湖面低于地平面.......1米,请你帮他们计算出塔AB 的高度.(结果精准到0. 1 米,参照数据:2≈1. 41,3≈ 1. 73)24.清晨小明与妈妈同时从家里出发,步行与骑自行车到方向相反的两地上学与上班.骑车走了一会接到小欣的电话,即以原速骑车前去小欣学校,并与小欣同时抵达校.他们离家的行程y (米)与时间x (分)的函数图象如下图.妈妈已知 A 点坐标A(10, 2500),C点坐,标为 (20,0) .( 1)在图中,小明离家的行程y (米)与时间x (分)的函数图象是线段(A)OA (B) OB (C) OC (D)AB( 2)分别求出线段 OA 与 AB ( 3)已知小欣步行速度为每分的函数表达式(不需要写出自变量的取值范围)50 米,则小欣家与学校距离为;米,小欣早晨上学需要的时间六、(每题 7分,共 14分)分钟.25.图①中是一座下承式钢管混凝土系杆拱桥,桥的拱肋 ACB 面(视为水平的)与拱肋用垂直于桥面的系杆连结,拱肋的跨度可视为抛物线的一部分,桥AB 为 280 米,正中间系杆 OC 的长度为56 米。
2010年鼓楼区初三第二次模拟调研考试英语试卷注意事项:1、本试卷分由第I卷和第II卷两个部分组成,满分96分;时间120分钟;2、请将第I卷的1—45小题的答案填写在答题卡上。
第Ⅰ卷(选择题共45分)一、单项填空(共15小题;每小题1分,满分15分)1. Jane likes listening to ________ music. She listens to CDs at the weekend.A. aB. anC. theD. 不填2. - Are these books yours?- No. The twin brothers came and left them here just now. They’re ________.A. themB. theirC. theirsD. themselves3. - Do you know ___________ the man in a black suit is?- I’m not sure, but he looks like a teacher.A. whatB. whoC. whichD. where4. - Would you like tea or coffee?- ____________. I really don’t mind.A. NeitherB. EitherC. BothD. All5. - Did you get any information about the new school on the Internet?- Well, I was trying to, but found ___________.A. someB. noneC. no oneD. one6. - ________ you _______ the 3D film—Alice in Wonderland?- Yes. I saw it last Saturday night.A. Did; seeB. Had; seenC. Have; seenD. Were; seeing7. - Where do you want to spend your holiday in summer?- I’d like to go _____________.A. somewhere coolB. anywhere coolC. cool somewhereD. cool anywhere8. - It’s my first time to make a speech before so many people. I’m too nervous.- ___________, Wendy. Believe me, you can do it.A. Come onB. Don’t mention itC. You’re rightD. With pleasure9. - Would you please tell Lucy that she ____________ as a volunteer for the 16thAsian Games in Guangzhou yesterday?- Of course. I’ll tell her as soon as she comes back.A. choosesB. choseC. is chosenD. was chosen10. Nancy joins the most clubs of all the students after school, so she has _______free time than othersA. mostB. moreC. fewerD. less11. - Is Jim coming by train?- He should, but he _________ not. He likes driving his car.A. mustB. shouldC. canD. may12. There was a big fire at ten o’clock last night. The firemen arrived in five minutesand ________ the fire soon.A. put upB. put outC. put awayD. put off13. - I hear we’ll have a new English teacher this term.- Really? Do you know _____________?A. what subject he teachesB. if he is a physics teacherC. that he will come soonD. where he is from14. - What’s wrong with you?- It’s too noisy outside. The noise is nearly __________ me mad.A. turningB. keepingC. drivingD. causing15. - How do you like your trip to Shanghai Expo?- _____________.A. I like it very much.B. It’s wonderful.C. I’m not sure.D. The same to you.二、完形填空(共10小题;每小题1分,满分10分)阅读下面短文,从短文后所给各题的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项。
In some areas of the world the weather is very changeable and this fact plays an important part in the daily lives of the people. Farmers, fishermen and sailors ____16____ know about these changes ahead of time. Space scientists and airplane pilots especially need weather ____17____.Since earlier time, men have watched the sky, the wind, and the atmosphere, as well as a lot of ____18____ weather signs, in order to make weather forecasts, but often their weather forecasts have not been true. Now there are government stations in many places ____19____ weather conditions very carefully. They use a lot of scientific ways to help them make their forecasts. For example, they have ways to know the speed and the ____20____ of the wind. And then they can forecast the path of a storm. They have special balloons, ships and airplanes to help them increase the possibility to be true. and they make use of radar(雷达), satellites(卫星)and computers to gather ____21____ information.Today when a plane ____22____ from an airport, the pilot can know what kind of weather to expect when he ____23____ the next stop. If there is ____24____ rain or snow in the mountains, we can know the day and even the hour that a river may rise many miles away. When a storm is coming in some direction, the people in that area can learn about it ahead of time and ____25____ for it.( ) 16. A. dare to B. ought to C. have to D. need to( ) 17. A. information B. fact C. advice D. result( ) 18. A. another B. other C. the other D. others( ) 19. A. searching B. studying C. learning D. writing( ) 20. A. number B. weight C. direction D. length( ) 21. A. necessary B. impossible C. enjoyable D. popular( ) 22. A. takes off B. takes in C. takes out D. takes away( ) 23. A. arrives B. reaches C. gets D. comes( ) 24. A. light B. large C. heavy D. high( ) 25. A. leave B. change C. manage D. prepare三、阅读理解(共20小题;每小题1分,满分20分)阅读下列材料,从每题所给的四个选项(A、B、C和D)中,选出最佳选项。
A. The traffic stoppedB. People could hardly contact those outsideC. People lost their homesD. Flood washed away many villages27. Where must you go if you want to donate some money to the account 0200 0010 0910 4413 252?A. Yushu County, Qinghai ProvinceB. Industrial and Commercial Bank of ChinaC. The Red Cross Blood CentreD. Ministry of Education28. You have donated 20 yuan. How many times have you sent text message “2”through your mobile phone?A. 20B. 2C. 10D. 129. What can we see according to the first part?A. Many soldiers were sent to Yushu but trappedB. Blood was in great need in Yushu.C. There was enough medicine in Yushu.D. V olunteers were rebuilding houses in Yushu.30. Which of the following statements is NOT true according to the passage?A. Donation is the only way to help the people in Yushu.B. Thousands of people died from the earthquake in Yushu .C. The strongest and safest schools will be built in Yushu.D. We Chinese are never afraid of any difficulty.BThere is a story about a famous scientist who had made several very important medical breakthroughs(突破). He was interviewed by a newspaper reporter who asked him why he thought he was able to be so much more creative than the other person. What made him so unique?He replied that, in his opinion, it all came from an experience with his mother that took place when he was about two years old. He was trying to get a bottle of milk from the fridge when he lost the bottle and it fell, with milk all over the kitchen floor---a sea of milk!When his mother came into the kitchen, instead of shouting at him, giving him a lesson, or blaming him, she said, “Robert, what a great and wonderful mess you have made! I have rarely seen such a huge mess of milk. Well, the trouble has already been made. Would you like to get down and play in the milk for a few minutes before we clean it up?”Indeed, he did. After a few minutes, his mother said, “You know, Robert, whenever you make a mess like this, you have to clean it up and put everything in its right order. So, how would you like to do that?”He chose a sponge(海绵)and together they cleaned up the milk.His mother then said, “You know, what we have here is a failed experiment in how to carry a big milk bottle with two little hands. Let’s fill the bottle with water and see if you can discover a way to carry it without dropping it.”The little boy learned that if he took the bottle at the top with both hands, he could carry it without dropping it. This scientist then said that it was at that moment that he knew he didn’t need to be afraid to make mistakes. Instead, he learned that mistakes were just chances for learning something new, which is, after all, what scientific experiments are all about. Even if the experiment “doesn’t work”, we usually learn something valuable from it.Wouldn’t it be great if all parents would do the way Robert’s mother did to him? Wouldn’t it be wonderful if we could all act in a similar manner too? Help someone learn from his/her mistakes.31. Where is the passage probably taken from?A. A scientific report.B. An Advertisement.C. A speech.D. A magazine.32. What does the writer want to tell us in this passage?A. He wants to tell us that we should do experiments.B. He wants to tell us that we should learn from failures.C. He wants to tell us that we should make mistakes.D. He wants to tell us that we should play with our mother.33. What did the mother do when she saw the mess of milk?A. She shouted at the boy.B. She gave the boy a lesson.C. She cleaned it up at once.D. She asked the boy to find out a way to solve the problem.34. The following statements about the scientist are true EXCEPT__________.A. He failed to discover how to carry a milk bottle without dropping it.B. He was a creative person.C. He was not afraid of making mistakes.D. He did a lot of experiments.35. What does “he did” mean in the fourth paragraph?A. He played in the sea of milkB. He made a mess of milk.C. He cleaned the mess up and put everything in its right orderD. He heard what his mother said.CShe was one of my second grade teachers. She taught me maths, but at that time, I thought she was teaching me everything I would need to know about life itself. Yes, Mrs. Pillar was a great teacher. However, I will always be grateful to her for what she did for me more than ten years later.As a college student, I was involved in an “accident” when I walked into a robbery at a store. One of the thieves hurt me in the head. I had to drop out of college to be in hospital for several months. Even after I left the hospital, I had to relearn practically everything, including walking, talking, and yes, maths.To help me with that task, Mrs. Pillar volunteered to come to the hospital and later to my house once a week, to work with me. At first, she presented me very easy maths skills. Then, as time went by, and I made progress, my “homework”became more difficult.I remember very clearly how she would come to my home on Sundays, sit with me at the kitchen table, and throw various coins on the table. She would ask me to show her 38 cents, 17 cents, 63 cents. It was difficult to deal with, but she also made it fun. After a year and a half, I had progressed successfully, both physically and mentally, to return to college. I continued therapy regularly, and four years later I graduated from the University of Texas at the top of my class. Following that, I went on with further study.As the years passed, I always heard from Mrs. Pillar. Unluckily, one day my parents told me that Mrs. Pillar had been in hospital. Now it was my turn to help her. When Iwalked into the ICU at the hospital, Mrs. Pillar was in a hospital bed and could not speak. I thought that the situation was greatly the same. Nothing had changed except for who was in the bed and who was standing beside it.I told Mrs. Pillar that I would be back and that I would work with her just as she had worked with me years earlier. As the days went on, I saw Mrs. Pillar progress each time I visited her. One day, I pulled some coins out of my pocket, dropped them on her bed, and asked her to show me 12 cents. The nurse thought that my action was rather strange until Mrs. Pillar smiled happily as I began working with her---just as she had done with me years before.Mrs. Pillar made wonderful progress and finally left the hospital. One day I called her to wish her a happy New Year. She spoke into the phone quite quickly and confidently, “Happy New Year to you and your family, Michael. Thank you for everything you’ve done for me.”I quickly replied, “Thank you for everything you’ve done for me.”Mrs. Pillar was one of my second grade teachers, but she taught me so much more about life than only mathematics.36. Why was the writer in hospital?A. Because he wanted to be a volunteer.B. Because he wanted to look after others.C. Because he wanted to know about life.D. Because he was hurt in a robbery.37. The underlined phrase “drop out of” may mean “_______________”.A. 落下,掉下B. 降低,减少C. 退学, 休学D. 删除,省略38. Which of the following statements is TRUE according to the passage?A. Mrs. Pillar gave the writer some coins so that he could learn maths well.B. The writer helped Mrs. Pillar the same way as she had done to the writer himself.C. The writer was very grateful to Mrs. Pillar because she donated money to him.D. The writer and Mrs. Pillar were ill in hospital at the same time.39. Which of the following statements is NOT mentioned in the passage?A. Mrs. Pillar was a kind teacher.B. The writer was the top student in the university.C. Mrs. Pillar and the writer used to cook in the kitchen.D. Mrs. Pillar and the writer helped with each other.40. What’s the main idea of the passage?A. Kindness works wonders.B. Better to give than to receive.B. The best way to teach maths. D. Time flies fast.DHave you ever dreamed about a trip to space? Seeds (种子)of some vegetables and crops are a lot luckier than you, as they have travelled to space and back.China is among the three countries in the world that carry out agricultural (农业的)research in space. The others are Russia and the U.S. Since 1987, China has sent about 1000 kinds of seeds into space. These include green peppers, tomatoes, cucumbers, carrots and rice. Even on China’s first manned spacecraft Shenzhou V there were some seeds from Taiwan.“Conditions in outer space such as radiation(辐射)and low gravity can cause big changes in the seeds,” said Chinese researcher Jin Xing.But not all seeds are better after going to space. After returning to the earth, the best seeds are chosen. These seeds produce much more and also grow faster than normal seeds. As the safety of genetically modified(转基因)food is still being talked about, some people are not sure about the safety of these “space vegetables” because some of their genes(基因)are changed during the trip to space.But Jin holds the more hopeful view. He said, “Unlike genetically modified crops, no new genes are introduced to the space vegetables, so they are surely safe.”Space vegetables are better than normal vegetables. For example, space tomatoes stay fresh for twenty days, which is one week longer than normal tomatoes. Another popular space vegetable is the peppers. Space peppers have 20 per cent more vitamin C than normal peppers.Researchers are considering holding a tomato festival. By the time people will be able to enjoy about 30 different kinds of space tomatoes on their dining tables. Following the tomato festival, other space vegetables, such as cucumbers, peppers, eggplants, tomatoes, beans, potatoes and pumpkins, would also go to markets with prices 30 to 50 percent higher than their common ones.So far, the Chinese Academy of Sciences has set up three space vegetable base fields, one of which is in Shenzhen while the others are in Beijing and Jiangsu Province.41. According to the passage, which of the following countries hasn’t carried out agricultural research in space?A. ChinaB. JapanC. RussiaD. The U.S.42. What will happen when seeds of some vegetables and crops are sent to space and carried back?A. Some of their genes are changed.B. They are all better than before going to spaceC. No changes are caused in the seeds.D. They all produce much more and grow faster.43. Why does Jin Xing have no doubt about the safety of the space vegetables?A. Because the seeds sent to space stay the same.B. Because the seeds sent to space are the best.C. Because no new genes are brought into them.D. Because space vegetables are luckier.44. Which of the following statements is TRUE?A. Genetically modified food is completely safe.B. The space vegetables don’t belong to genetically modified food in some ways.C. About 1000 kinds of seeds were sent into space on Shenzhou V.D. Seeds back from space must be planted in special rooms controlled by computers.45. What is the underlined word “cucumber” in the second paragraph?A. A product from Russia.B. A kind of gene. .C. A product from Taiwan.D. A kind of agricultural product.第II 卷(非选择题共51分)四、填空(共16小题;每小题1分,满分16分)A)根据括号中所给的汉语写出单词,使句子意思完整正确。