2015--2016学年度第二学期期中考试
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2015-2016学年第二学期期中考试初一数学试卷参考答案及评分标准一、选择题(本题共有12小题,每小题3分,共36分,每小题有四个项选,其中只有一个是正确的) BABCD BCBDC DB二、填空题(每小题3分,共12分。
请把答案填在答题卷上相应的位置)13、65° 14、104° 15、27 16、400三、解答题(共52分)17、(1)‘解:原式3-------6444a a a -+=‘5---------------64a =(2)'2222223-------)4b -(44)(9a b ab a ab b a -+-+-÷=解:原式'22224-------4b 449-+-+-+=a b ab a ab‘5--- ---b 831-2+=ab 18、解:原式='2222224]22)2()(-----÷-++---y y xy y xy x y x='23------4]44(y y xy ÷-='4------y x -当x=1,y=2时原式=1-2=-1 '5------19、略20、∵已知)(//CD AB∴∠BMN+∠MND=180°( 两直线平行,同旁内角互补 )————2′∵MG 平分∠BMN ,NG 平分∠MND (已知)∴∠1=BMN ∠21 ∠2=MND ∠21(角平分线定义)————4′ ∴∠1+∠2=009018021=MND ∠+BMN ∠21=⨯)( 又∵∠1+∠2+∠G=180°( 三角形内角和为180°)————6′∴∠G=180°-(∠1+∠2)=180°-90°=90°∴MG 丄NG ( 垂直的定义 )—————8′(3) 2.5 , 100 ————8′22、(1) m-n —————1′(2)方法一:2)(n m -————2′方法二:mn n m 4-)(2+————3′(3)22)4-)(n m mn n m -=+(————4′(4)55==+ab b a ,解:∴2)b a -(=ab 4-)2b a +(————6′=54-72⨯=49-20=29————8′23、(1)解:过点P 作PE//AB∵AB//CD ,PE//AB (已知)∴PE//CD (平行于同一条直线的两条直线平行) ———————1′ ∴∠BPE=∠B , ∠D=∠DPE (两直线平行,内错角相等)———————2′ ∴∠B=∠BPE= ∠BPD+∠DPE=∠BPD+∠D ————3′∴∠BPD= ∠B-∠D ———————4′(2)解:不成立,∠BPD=∠B+∠D ———————5′证明:过点P 作PM//AB∵AB//CD ,PM//AB (已知)∴PM//CD (平行于同一条直线的两条直线平行) ———————6′ ∴∠2=∠B, ∠3=∠D (两直线平行,内错角相等)———————7′ ∴∠BPD= ∠2+∠3=∠B+∠D ———————8′E。
2015-2016学年第二学期数学期中考试适用班级:15财会大专一、选择题(85分)1、设全集{}1|2==x x U ,集合{}1=A ,则=A C U ( )。
A .{}1,1- B.{}1 C.{}1- D. φ 2、已知全集U=R ,A C U =(-∞,-5),则集合A=( )A .[)+∞-,5B .()+∞-,5C .()5,-∞-D .(]5,-∞- 3、二次函数222y x x =++图像的对称轴方程为( )A .1x =-B .0x =C .1x =D .2x = 1、下列函数中为奇函数的是( )A .3log y x =B .3x y =C .23y x =D .3sin y x =5、函数1y x=-的图像在( )A .第一、二象限B .第一、三象限C .第三、四象限D .第二、四象限 6、41log 2=( ) A .2 B .21 C .21- D .2- 7、下列函数中,既是偶函数,又在区间()0,3为减函数的是 ( )A .x y cos =B .x y 2log =C .42-=x y D .xy ⎪⎭⎫⎝⎛=318、函数y =的定义域是( )A .(]0,∞-B .[]2,0C .[]2,2-D .(][)+∞-∞-,22, 9、0862<++x x 的解集( )A .∅B .{}42|<<x xC .{}24|-<<-x xD .{}24|->-<x x x 或10、函数2132y x x =+-的最小值是( )A .52-B .72- C .3- D .4-11、已知P 为曲线3y x =上的一点,且P 点的横坐标为1,则该曲线在点P 处的切线方程是( )A .320x y +-=B .340x y +-=C .320x y --=D .320x y -+=12、条件甲:4=x ,乙:01682=++x x ,则甲是乙的( )A .充要条件B .必要不充分条件C .充分但不必条件D .既不充分又不必要条件 13、设数列{}n a 的前n 项和2nS n =,则8a 的值为( )A. 15B. 16C. 49D.6414、等差数列{}n a 满足244a a +=,3510a a +=,则它的前10项的和10S =( ) A .138B .135C .95D .2315、等比数列{}n a ,847=a a ,则=65a a ( ) A .8 B .10 C .32 D .23 16、数列211⨯,-321⨯,431⨯,-541⨯的一个通项公式是( )A .)1()1(1+-+n n n B .)1()1(+-n n nC .)1()1(+--n n nD .)1(1+n n17、等差数列{}n a 中,12010=S ,那么101a a +的值是( )A .12B .24C .16D .48 二、填空题(16分)1、 -8和-12的等比中项是2、二次函数)(x f 的图像经过原点和()0,8,则对称轴为3、55,1,5+x 成等比数列,则__________=x4、曲线321y x =+在点(1,3)的切线方程是第二学期数学期中考试答题卷班级 姓名 座号1、2、3、4、三、解答题(49分) 1、已知函数32()4f x x x =-(1)确定函数()f x 在哪个区间是增函数,在哪个区间是减函数 (2)求函数()f x 在区间[]0,4的最大值和最小值 2、已知函数32()26f x x x =+(1)求函数()f x 的单调区间 (2)()f x 在区间[-1,1]的最大值与最小值3、已知等比数列{}n a 中,316a =,公比12q =。
.405256三、解答题三、解答题 17.(1) 213x x -+£ …………………………………………………………1分231x x -£-………………………………………………………2分 2x -£ ………………………………………………………3分 2x ³-………………………………………………………4分(2)解不等式①得:3-³x …………………………………………………………1分解不等式②得:x < 2…………………………………………………………………………………………………………………………2分 在同一数轴上分别表示出它们的解集为在同一数轴上分别表示出它们的解集为 …………………………3分∴原不等式组的解集是23<£-x …………………………………………4分(3)原式)原式 =()24129x a a --+………………………………………………………2分=()223x a -- …………………………………………………………4分18.原式.原式 =[](1)43(1)x m m --- …………………………………………2分= (1)(73)x m m -- ………………………………………………3分∴当3, 32x m ==时,原式时,原式 =()()3317332´-´-´………………………………………… 4分 =6- ………………………………………5分19.①点B 的坐标是(-4,-3);………1分②画出△O 1A 1B 1, ………1分 点B 1的坐标是(-4,2);………1分 ③画出旋转后的△OA 2B 2,………2分 点B 2的坐标是(3,-4)。
………1分(注:每一个坐标1分,第一个画图1分,第二个画图2分,共6分,能画准确图形,坐标要准确。
)0 1 2 3 4 –1 –2 –3 –4 图7 2015-2016学年度第二学期期中联考测试卷八年级数学 参考答案一、选择题一、选择题DABCA DCCDC BB 二、填空题二、填空题13.()241x -14.6º15.2x <16DECBA20.(1)证明:∵)证明:∵ DE 垂直平分AB ,∠A=30º,∠ABC=60º∴ EA=EB ……………………1分 ∴∠ABE=∠A=30º∴∠EBC=60º —30º30º=30º=30º…………………2分 在△EBC 中,∠C=90º ,∠EBC=30º∴EB=2CE …………………3分 ∵ EA=EB ∴AE=2CE …………………4分 (2)证明:∵∠ABE=∠EBC ∴EB 平分∠ABC ………………………5分 又∵AC ⊥BC ,ED ⊥AB ∴ED=EC ………………………6分 (注:其他正确证法可类似按点给分。
四川省雅安市天全中学2015-2016学年高二下学期期中考试理数试题第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.函数xy 1=的导数是( ) (A )'e xy = (B )x y ln '= (C )21'xy = (D )2'--=x y 【答案】D 【解析】 试题分析:1'2211y x y x x x--==∴=-=- 考点:函数求导数2.函数x x x f ln )(=在点1=x 处的导数为( )(A )1- (B )0 (C )1 (D )2 【答案】C 【解析】试题分析:()()''()ln ln 111f x x x f x x f =∴=+∴=考点:函数求导数 3.函数x x x x f 331)(23++-=的单调递增区间为( ) (A ))13(,- (B ))31(,- (C ))1(--∞,和)3(∞+, (D ))3(--∞,和)1(∞+, 【答案】B 【解析】试题分析:()32'21()3233f x x x x f x x x =-++∴=-++,解()'0f x >得13x -<<,所以增区间为)31(,-考点:函数导数与单调性4.在复平面内,复数2i)2(+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 【答案】A 【解析】试题分析:2(2i)34i +=+,对应的点为()3,4,在第一象限考点:复数及其相关概念 5.下列命题中正确的是 ( )(A )函数348x x y -=有两个极值点 (B )函数x x x y +-=23有两个极值点(C )函数3x y =有且只有1个极值点 (D )函数e xy x =-无极值点 【答案】A 【解析】试题分析:3'24848304y x x y x x =-∴=-=∴=±,所以函数有两个极值点;32y x x x =-+中'23210y x x =-+=无解,无极值;3x y =无极值点;e x y x =-中'100x y e x =-=∴=函数有一个极值点考点:函数导数与极值6.若复数i 1-=z ,则(1)z z +⋅=( )(A )i 3- (B )i 3+ (C )i 31+ (D )3 【答案】B 【解析】试题分析:()()(1)213z z i i i +⋅=-+=+ 考点:复数运算7.已知函数)(x f y =的图象如图1所示,则下列说法中错误..的是( )(A ))(x f 在区间)1(,-∞上单调递减(B ))(x f 在区间)41(,上单调递增(C )当74<<x 时,0)('>x f (D )当1=x 时,0)('=x f 【答案】C 【解析】试题分析:由图像可知增区间为()1,4,此时0)('>x f ,减区间为()(),1,4,-∞+∞此时'()0f x <,所以1,4x x ==是极值点考点:函数单调性与极值8.已知函数()f x 的导函数()f x '的图象如图所示,那么下面说法正确的是( )A. 在(3,1)-内()f x 是增函数B. 在(1,3)内()f x 是减函数C. 在(4,5)内()f x 是增函数D. 在=2x 时,()f x 取得极小值 【答案】C 【解析】试题分析:由导函数图像可知()3,,2,42x ⎛⎫∈-∞-⎪⎝⎭时()'0f x <,原函数递减,()3,2,4,2x ⎛⎫∈-+∞ ⎪⎝⎭时()'0f x >,原函数递增,2x =时取得极大值考点:函数图像及单调性极值 9.设函数x xx f ln 2)(+=,则( ) (A )21=x 为)(x f 的极大值点 (B )21=x 为)(x f 的极小值点 (C )2=x 为)(x f 的极大值点 (D )2=x 为)(x f 的极小值点 【答案】D 【解析】 试题分析:()'222212()ln 0x f x x f x x x x x-=+∴=-+=>2x ∴>,所以增区间为()2,+∞,减区间为()0,2,所以2=x 为)(x f 的极小值点考点:函数导数与极值10.设R ∈b a ,,且i i)i(-=+b a ,则=-b a ( ) (A )2 (B )1 (C )0 (D )2- 【答案】C 【解析】试题分析:i(i)i 11,10a b ai b i a b a b +=-∴-+=-∴=-=-∴-= 考点:复数相等11.已知函数()y xf x '=的图象如右图所示(其中'()f x 是函数()f x 的导函数),下面四个图象中()y f x =的图象大致是 ( )【答案】C 【解析】试题分析:由函数y=xf ′(x )的图象可知:当x <-1时,xf ′(x )<0,f ′(x )>0,此时f (x )增 当-1<x <0时,xf ′(x )>0,f ′(x )<0,此时f (x )减 当0<x <1时,xf ′(x )<0,f ′(x )<0,此时f (x )减 当x >1时,xf ′(x )>0,f ′(x )>0,此时f (x )增 考点:函数导数与函数图像12.已知定义在R 上的函数()f x 的导函数为()f x ',且满足()()f x f x '>,则下列结论正确的是( ) A. (1)e (0)f f > B. (1)e (0)f f < C. (1)(0)f f > D. (1)(0)f f < 【答案】A 【解析】试题分析:令()()()()()()()'''2x x x xf x f x e f x e f x f xg x g x x e e --=∴==∵f ′(x )>f (x ),∴g ′(x )>0,g (x )递增,∴g (1)>g (0),即()()010f f e e>, ∴f (1)>ef (0),考点:利用导数研究函数的单调性;导数的运算第Ⅱ卷(共90分)二、填空题(每题5分,满分20分,将答案填在答题纸上)13.计算11edx xò= 【答案】1 【解析】试题分析:111ln |ln ln11e edx x e x==-=ò考点:定义分计算14.计算:曲线2y x =与y x =所围成的图形的面积是 【答案】16【解析】试题分析:先根据题意画出图形,得到积分上限为1,积分下限为0 直线y x =与曲线2y x =所围图形的面积()122310111|236S x x dx x x ⎛⎫=-=-= ⎪⎝⎭⎰ ∴曲边梯形的面积是16考点:定积分计算及其几何意义15.曲线124++=ax x y 在点)21(+-a ,处的切线与y 轴垂直,则=a ____ _ 【答案】2- 【解析】试题分析:42'3142y x ax y x ax =++∴=+,当1x =-时'4202y a a =--=∴=- 考点:导数的几何意义16.设2=x 和4-=x 是函数qx px x x f ++=23)(的两个极值点,则=+q p _____ ___. 【答案】21- 【解析】试题分析:()()()'32'2'124020()32488040p q f f x x px qx f x x px q p q f ⎧++==⎧⎪=++∴=++∴∴⎨⎨-+=-=⎪⎩⎩,解方程组可求得21p q +==- 考点:函数导数与极值三、解答题 (本大题共6小题,共70分.解答应写出文字说明、证明过程或演算步骤.)17.(本小题满分10分) 求函数)0(ln )(>=x xxx f 的单调区间. 【答案】增区间为(0e),,减区间为(e )+∞, 【解析】考点:函数导数与单调性18.(本小题满分12分)如图,在四棱柱P-ABCD中,底面ABCD是矩形,E是棱PA的中点,PD⊥BC. 求证:(Ⅰ) PC∥平面BED;(Ⅱ) △PBC是直角三角形.【答案】(Ⅰ)详见解析(Ⅱ)详见解析【解析】试题分析:(Ⅰ)先利用中位线的性质证明出 OE∥PC,进而根据线面平行的判定定理证明出 PC∥平面BDE.(Ⅱ)先利用线面垂直的判定定理证明出BC⊥平面PDC,进而根据线面垂直的性质推断出 BC⊥PC,则△PBC 的形状可判断试题解析:(Ⅰ)连接AC交BD于点O,连接OE.=.在矩形ABCD中,AO OC=,因为AE EP所以OE∥PC.因为PCË平面BDE,OEÌ平面BDE,所以PC∥平面BDE.^.(Ⅱ)在矩形ABCD中,BC CD因为 PD BC ^,CD PD D =,PD Ì平面PDC ,DC Ì平面PDC , 所以 BC ^平面PDC .因为 PC Ì平面PDC , 所以 BC PC ^. 即 PBC ∆是直角三角形.考点:直线与平面垂直的性质;直线与平面平行的判定19.(本小题满分12分)若直线t y =与函数x x y 33-=的图象有三个公共点,求实数t 的取值范围. 【答案】22<<-t 【解析】试题分析:利用导数研究函数x x y 33-=的图象与性质,求出函数在极大值与极小值,画出函数的图象,根据图象求出t 的取值范围试题解析:)1)(1(333'2-+=-=x x x y , ……………………………………2分当)1(--∞∈,x 或)1(∞+∈,x 时,函数x x y 33-=为增函数;当)11(,-∈x 时,x x y 33-=为减函数. ………………………………4分故当1=x 时,x x y 33-=有极小值21313-=⨯-;当1-=x 时,x x y 33-=有极大值2)1(3)1(3=-⨯--. …………………………………6分由题意可得22<<-t . 考点:根的存在性及根的个数判断 20.(本小题满分12分)设函数3()3(0)f x x mx n m =-+>的极大值为6,极小值为2,求:(Ⅰ)实数n m ,的值; (Ⅱ))(x f 在区间]30[,上的最大值和最小值.【答案】(Ⅰ) ⎩⎨⎧==.41n m ,(Ⅱ) 最小值2,有最大值22【解析】试题分析:(1)根据函数3()3(0)f x x mx n m =-+>的极大值为6,极小值为2,求导f ′(x )=0,求得该函数的极值点12,x x ,并判断是极大值点1x ,还是极小值点2x ,代入f (1x )=6,f (2x )=2,解方程组可求得m ,n 的值.(Ⅱ)根据(Ⅰ)知43)(3+-=x x x f ,分别求出端点值,然后再和极值比较,得到最值试题解析:(Ⅰ) 由)(x f 得m x x f 33)('2-=, …………………………………2分 令'()0f x =,即0332=-m x ,得m x ±=, 当'()0f x >,即m x >,或m x -<时,)(x f 为增函数,当'()0f x <,即x <<)(x f 为减函数, 所以)(x f 有极大值)(m f -,有极小值)(m f ,由题意得⎪⎩⎪⎨⎧==-,,2)(6)(m f m f 即⎪⎩⎪⎨⎧=+-=++-,,2363n m m m m n m m m m …………4分解得⎩⎨⎧==.41n m ,………………………………………………………6分(Ⅱ)由(Ⅰ)知43)(3+-=x x x f ,从而44030)0(3=+⨯-=f ,224333)3(3=+⨯-=f ,24131)1(3=+⨯-=f , ……………………………………10分所以)(x f 有最小值2,有最大值22. ……………………………12分 考点:利用导数求闭区间上函数的最值21.(本小题满分12分)已知函数()()()2ln 102k f x x x x k =+-+> (1)当2k =时,求曲线()y f x =在点()()1,1f 处的切线方程; (2)当1k ≠时,求函数()f x 的单调区间.【答案】(1)322ln 230x y -+-=(2)递增区间是1(1,)k k --和(0,)+∞,减区间是1(,0)kk- 【解析】试题分析:(I )根据导数的几何意义求出函数f (x )在x=1处的导数,从而求出切线的斜率,然后求出切点坐标,再用点斜式写出直线方程,最后化简成一般式即可;(II )先求出导函数f'(x ),讨论k=0,0<k <1,k=1,k >1四种情形,在函数的定义域内解不等式f ˊ(x )>0和f ˊ(x )<0即可 试题解析:(I )当2k =时,2()ln(1)f x x x x =+-+,1'()121f x x x=-++由于(1)ln 2f =,3'(1)2f =,所以曲线()y f x =在点(1,(1))f 处的切线方程为 3ln 2(1)2y x -=-即 322ln 230x y -+-=考点:利用导数研究曲线上某点切线方程;利用导数研究函数的单调性 22.(本小题满分12分)已知函数()a xf x e -=,其中e 是自然对数的底数,R a ∈.(Ⅰ)求函数()()g x xf x =的单调区间;(Ⅱ)试确定函数()()h x f x x =+的零点个数,并说明理由.【答案】(Ⅰ) 单调递减区间为(1,)+∞;单调递增区间为(,1)-∞ (Ⅱ) 当1a >-时,函数()h x 不存在零点;当1a =-时,函数()h x 有一个零点;当1a <-时,函数()h x 有两个零点. 【解析】试题分析:(Ⅰ)由()a xg x xe -=,x ∈R ,得()()'1a xg x x e-=-,令g'(x )=0,得x=1.从而求出函数的单调区间;(Ⅱ)由()a xh x ex -=+,得()'1a x h x e -=-.令h'(x )=0,得x=a .求出函数的单调区间,得到h (x )的最小值为h (a )=1+a .再通过讨论a 的范围,综合得出函数的零点个数 试题解析:(Ⅰ)因为()e a xg x x -=,x ∈R ,所以'()(1)ea xg x x -=-. ………………………2分令'()0g x =,得1x =.当x 变化时,()g x 和'()g x 的变化情况如下:故的单调递减区间为;单调递增区间为. ………………………5分 (Ⅱ)因为 ()e a x h x x -=+,所以 '()1ea x h x -=-. ………………………6分令'()0h x =,得x a =.当x 变化时,()h x 和'()h x 的变化情况如下:即的单调递增区间为;单调递减区间为). ………………………8分 所以()h x 的最小值为()1h a a =+.①当10a +>,即1a >-时,函数()h x 不存在零点.②当10a +=,即1a =-时,函数()h x 有一个零点. ………………………10分 ③当10a +<,即1a <-时,(0)e 0ah =>, 下证:(2)0h a >.令()e 2x m x x =-,则'()e 2x m x =-.解'()e 20x m x =-=得ln 2x =.当ln 2x >时,'()0m x >,所以 函数()m x 在[)ln 2,+∞上是增函数.取1ln 2x a =->>,得:ln 2()e 2e 2ln 222ln 20a m a a --=+>-=->.所以 (2)e 2()0a h a a m a -=+=->.结合函数()h x 的单调性可知,此时函数()h x 有两个零点.综上,当1a >-时,函数()h x 不存在零点;当1a =-时,函数()h x 有一个零点;当1a <-时,函数()h x 有两个零点. ………………………12分考点:利用导数研究函数的单调性;函数零点的判定定理;利用导数研究函数的极值。
2015--2016学年度第二学期期中考试八年级英语试卷(测试范围:Unit1﹣Unit5 总分:100分)听力部分(共20分)一、听对话,选择正确的图片。
每段对话读两遍。
(每小题1分,共5分)( )1.What's the matter with Robert?A. B. C.( )2.What happened to the old man?A. B. C.( )3.What should the boy do?A. B. C.( )4.What was the matter with the girl's brother?A. B. C.( )5.What happened to the boy?A. B. C.二、听句子,选出最佳答语。
每个句子读两遍。
(每小题1分,共5分)( )6. A. Do n’t say that. B. I’m sorry to hear that. C. I’m sad. ( )7. A. Thank you. B. I’m happy. C. I am sure.( )8. A. Yes, I’d love. B. Yes, I’d like to. C. Yes, please.( )9. A. Match. B. Chinese. C. Home.( )10. A. Yes, I did. B. I took a bus. C. I remember.三、听对话,选择正确答案。
每段对话读两遍。
((每小题1分,共5分)听第一段对话,回答第11-12小题,( )11.How much are the schoolbag and the dictionary?A.50 yuan.B.30 yuan.C.20 yuan. ( )12.Who does Lily want to buy a schoolbag and a dictionary for?A.Herself.B.A boy.C.Tom.听第二段对话,回答第13-15小题)( )13.What would the girl like to do?A.To talk with old people.B.To work with kids.C.To look after animals. ( )14.When does a volunteer probably need to go to the food bank?A.On weekends.B.On Mondays.C.Every afternoon. ( )15.Where will the girl volunteer?A.At a food bank.B.In the hospital.C.In an after-school study program.四、听短文,选择正确答案。
短文读两遍。
(每小题1分,共5分)( )16.What does Green Park look like?A.Big.B.Small.C.Crowded.( )17.When did the speaker go to clean it?st Friday.st Saturday.st Sunday. ( )18.How was the weather?A.Windy.B.Sunny.C.Cloudy.( )19.How did they get there?A.By bike.B.On foot.C.By bus. ( )20.What did the speaker do there?A.Pick up rubbish.B.Clean the road.C.Put up the signs.笔试部分(共80分)一、单项选择(每小题1分,共20分)( )21.-I had a bad cold.-________.A.That sounds greatB.Good ideaC.Thank youD.I’m sorry to hear that( )22.-________-I have a fever.A.How are you doing?B.Are you all right?C.What’s the matter with you?D.Do you have a fever?( )23.They are used to________classical music and it makes them feel relaxed.A.listenB.listen toC.listeningD.listening to( )24.When I walked past the playground,I saw many boys________basketball.A.playB.playedC.playingD.are playing( )25.-Could you please help me carry the box?-___________.A.Thank youB.With pleasureC.It doesn’t matterD.That’s all right ( )26.Some people plan to________a volunteer project to help the disabled children.A.put upB.think upC.set upD.cheer up( )27.-I have________red ink.Can you lend me some?-Sure.Here you are.A.paid fore up withC.cleaned upD.run out of( )28.My grandparents’ clock doesn’t work.I’m trying to find a repairman who can________for them.A.fix it upB.fix up itC.put up itD.put it up( )29.Lisa got up very early________catch the first bus.A.so thatB.in orderC.in order toD.in order that( )30.We have lived in Beijing________two years ago.A.forB.sinceC.untilD./( )31.-Could you please________my pet dog while I am away?-Sure.Don’t worry.I can look after it very well.A.take placeB.take careC.take care ofD.take part in( )32.-Would you mind________here?-Not at all.A.not smokingB.not to smokeC.no smokingD.don’t smoke( )33.The little boy________stop playing computer games________his father came back.A.won’t;untilB.didn’t;untilC.doesn’t;afterD.doesn’t;when( )34.-I’m always________before the exam.What should I do?-Take it easy.You can take a deep breath and smile.A.relaxedB.nervousC.surprisedD.interested( )35.Dad,you should tell Tom________with his friends.A.don’t fightB.don’t to fightC.not fightD.not to fight( )36.-Look!It’s raining heavily.________take a raincoat with you?-Well,I’ll take one right now.A.Why notB.Why don’tC.Would you mindD.Would you like( )37.She________a newspaper while her father was watching TV.A.was readingB.readC.readsD.is reading( )38.— How are you getting on with your work?—I can’t do itanymore. I need help.A.singleB.aloneC.hardD.lonely( )39.-I was at the cinema at 8 o’clock last night.What about you?-I________the Internet at home.A.am surfingB.surfedC.will surfD.was surfing( )40.The man followed the boy________what he wanted________in the small room.A.to see;to doB.to see;doC.see;to doD.see;do二、完形填空(每小题1分,共10分)What should we do to stay healthy? One important rule is to exercise41 . The Smith family try to exercise every day. Mr Smith42 exercise in the morning because he must be at his job at exactly seven o'clock. But he runs every evening. Mrs Smith runs a lot, 43. She44different sports with her friends. Sometimes, Mrs Smith goes to a yoga (瑜伽) class 45. But it wasn't 46 this way. Last year Mr. and Mrs. Smith used to 47 everywhere in their car, even to the drugstore two blocks (街区) away. They thought they had to use the car all the time. They wouldn't walk. The Smith both 48 better now. And they believe they mustn't be lazy. We 49 exercise every day, but we should try 50 as often as possible.41. A.regularly B.sometimes C.late D.later42. A.may not B.can not C.would not D.should not43. A.either B.also C.too D.again44. A.watches B.plays C.loves D.likes45. A.in two weeks B.for two weeks C.after two weeks D.twice a week46. A.always B.even C.sometimes D.no47. A.riding B.drive C.fly D.walk48. A.had B.make C.feel D.want49 A.needn’t B.don’t C.won’t have D.mustn’t50. A.exercise B.to exercise C.exercises D.exercising三、阅读理解(每小题1分,共15分)(A)One day a poor farmer was taking a bag of rice to town. Suddenly the bag fell off his horse on the road. He didn’t know what to do about it because it was too heavy for him to lift by himself. He only hoped that somebody would soon pass by and help him.Just at this moment a man riding a horse came up to him. But the farmer was very disappointed (失望) when he saw who he was. It was the great man living nearby. The farmer had hoped to ask another farmer or a poor man like him.But to his surprise, the great man got off his horse as soon as he came near. He said to the farmer, “I see you need help, friend. How good it is that I’m here just at the right time.” Then he took one end of the bag, the farmer took the other. They together lifted and put it on the horse.“Sir,”asked the farmer, “how can I pay you?”“It’s quite easy,” the great man answered with a smile, “wherever you see anyone else in trouble, do the same for him.”( )51. What happened when the farmer went to town?A. His horse’s leg was hurtB. The bag fell from his horse.C. The farmer lost his bag.D. The horse was ill.( )52. The farmer couldn’t lift the bag onto the horse by himself because ________.A. the bag was brokenB. the horse went awayC. the bag was too heavy for him to liftD. the farmer was too old( )53.Why was the farmer very disappointed when he saw t he great man?A.Because he thought the great man couldn’t help him.B.Because he thought the great man could take away his bag.C.Because he thought the great man could take away his horse.D.Because he thought the great man couldn’t see him.( )54. Who helped the farmer?A. The great man.B. Another farmer.C. A poor man like him.D. A friend of the farmer’s.( )55.If you see someone in trouble, what will you do?A. I’ll go away as soon as possible because I don’t want any trouble.B. I’ll give some help if I know him or her .C.I won’t give any help unless he or she pays me money.D.I’ll volunteer to help him or her(B)Chores weren’t popu lar at my house.My children didn’t like to do chores.They always saw me do chores,but they hardly ever helped me do them.A year ago,I made a game called“The Endless Chore Game”.It’s really great.Here’s how the game works.I make a card with forty squares(方框),and I write a different chore on each square.These chores can be easy and interesting like making dessert.Then my family roll the dice(骰子)to decide what chores we have to do.The card also has a few squares with fun things,like watching TV and singing.If you’re lucky,you can watch TV when the others are doing the chores.My son likes the game very much.He goes to the kitchen happ ily every morning to do the game.It’s really a good way to make my children do chores.You can have a try if you have the same problem as me.( )56.The writer’s family began to do the game________ago.A.one yearB.one monthC.two yearsD.two months( )57.What do you need to do“The Endless Chore Game”?A.A card.B.A dice.C.A card and a dice.D.A card and forty dice.( )58.When do the writer’s family do the game?A.In the morning.B.In the afternoon.C.In the evening.D.The other day.( )59.We can learn from the passage that________.A.the writer only has one childB.everyone in the writer’s family likes playing the gameC.the writer wrote this passage to the parentsD.everyone in the writer’s family has to do the chores every d ay( )60.The writer made this game to________.A.do less choresB.tell us an interesting gameC.make her children happy D make her children do chores(C)Dear Abby,I’m a helples s mother.My son Tom is 15 years old.I find that the older he grows,the less we talk.I feel very sad and I really need help.My first problem is about his hobbies.He spends almost all his spare time on computer games.When he gets home.he always t urns on the computer and closes the door.I’m getting worried about him,especially when his English teacher tells me he always gets low marks in the English exams.Second,he likes new technology,but I don’t have enough money and I can’t afford all the things he wants.Recently,I’v e foun d that he is always alone.I’ve never seen him talking to his friends on the phone or going out with anyone on weekends.That is the last problem I have.What should I do to help him?Please give me some advice.A helpless mother( )61.The helpless mother has________problems.A.twoB.threeC.fourD.five( )62.Tom________for almost all his spare time at home。