重庆市普通高校专升本统一选拔考试《高等数学》试题

2006年重庆市普通高校专升本统一选拔考试《高等数学》试题 一、填空题（本大题共5小题，每小题4分，满分20分）

1、=-→x

x x 1

)31(lim _________________。 2、n n n x n ∑∞

=13

的收敛半径为

____________________。

3、dx x x ?-22

2

sin π

π=_________________。

4、0145=-'-''y y y 的通解为____________________。 5

、

?

???????????---534

1112332122131的秩为

_________________。

二、单项选择题（本大题共5小题，

每小题4分，满分20分）

6、函数

x x y 33

-=的减区间为( )。

A 、]1,(--∞

B 、]1,1[-

C 、),1[+∞

D 、

),(+∞-∞

7、函数)(x f y =的切线斜率为2x

，通过

)2,2(则曲线方程为( )。

A 、

3

4

12

+=x y B 、

12

12

+=

x y C 、

32

12

+=x y D 、1412+=x y 8、设

3

21

n

u n =

，n n

n v 53

=，则( )。

A 、∑∞

=1

n n u 收敛，∑∞

=1

n n

v 发散 B 、∑∞

=1

n n u 发散，∑∞

=1

n n v 收敛

C 、∑∞

=1n n u 发散，∑∞

=1n n v 发散 D 、∑∞

=1

n n

u

收敛，∑∞

=1

n n v 收敛

9、函数

b ax ax x f +-=6)(2在区间]2,1[-上

的最大值为3，最小值为29-，且0>a 则( )。 A 、

15

311

,1532=

-=b a B 、

15

311

,1532-

==b a C 、15

179

,1532-==b a D 、

15

179

,1532=-

=b a

10、

n 元齐次线性方程组0=Ax 的系数矩阵A 的秩为r ，则0=AX 有非零解的充要条件是( )

A 、n r <；

B 、n r =；

C 、n r ≥

D 、n r >

三、计算与应用题（本大题共10个小题，11-20每题8分，满分80分）

11、求极限2

cos 1lim 0-+--→x x x e e x

12、设,arctan 22)1ln(2

x x x

x y +-+=求y '

13、设函数11222

34++--=x x x x y ，求函

数的凹凸区间与拐点 14、求定积分dx e

x ?+4

01

2

15、设二元函数xy y z x

sin +=，求全微

分dz

16、求二重积分dxdy x

y D

??

22

，其中区域D 是

由直线2,==x x y 和曲线x

y 1

=围成

17、解微分方程

152=-'-''y y y ，

70='=x y ，30

==x y

18、曲线x

y =

的一条切线过点)0,1(-，

求该切线与x 轴及x

y =所围成平面

图形的面积

19、求线性方程组???

??=+++=+++=+++1

321

24322

53432143214321x x x x x x x x x x x x 的

通解。

20、若n 阶方阵

A

与

B

满足

E B A AB =++（E 为n 阶单位矩阵）。

证明

（1）E B +为可逆矩阵 （2）)(2

1

)

(1

E A E B +=+-

专升本高等数学试卷(A卷)

武汉大学网络教育入学考试 高等数学模拟试题 一、单项选择题 1、在实数范围内，下列函数中为有界函数的是( ) A.x y e = B.1sin y x =+ C.ln y x = D.tan y x = 2、函数2 3 ()32 x f x x x -= -+的间断点是( ) A.1,2,3x x x === B.3x = C.1,2x x == D.无间断点 3、设()f x 在0x x =处不连续，则()f x 在0x x =处( ) A. 一定可导 B. 必不可导 C. 可能可导 D. 无极限 4、当x →0时，下列变量中为无穷大量的是（ ） A.sin x x B.2x - C. sin x x D. 1sin x x + 5、设函数()||f x x =，则()f x 在0x =处的导数'(0)f = ( ) A.1 B.1- C.0 D.不存在. 6、设0a >，则2(2)d a a f a x x -=? ( ) A.0 ()d a f x x - ? B.0 ()d a f x x ? C.0 2()d a f x x ? D.0 2()d a f x x -? 7、曲线2 3x x y e --=的垂直渐近线方程是( ) A.2x = B.3x = C.2x =或3x = D.不存在 8、设()f x 为可导函数，且()() 000lim 22h f x h f x h →+-=，则0'()f x = ( ) A. 1 B. 2 C. 4 D.0 9、微分方程''4'0y y -=的通解是( ) A. 4x y e = B. 4x y e -= C. 4x y Ce = D. 412x y C C e =+ 10、级数 1 (1)34 n n n n ∞ =--∑的收敛性结论是（ ） A. 发散 B. 条件收敛 C. 绝对收敛 D. 无法判定 11 、函数 ()f x =( ) A. [1,)+∞ B.(,0]-∞ C. (,0][1,)-∞?+∞ D.[0,1] 12、函数()f x 在x a =处可导，则()f x 在x a =处( ) A.极限不一定存在 B.不一定连续 C.可微 D.不一定可微 13、极限1lim(1)sin n n e n →∞ -= ( ) A.0 B.1 C.不存在 D. ∞ 14、下列变量中，当x →0时与ln(12)x +等价的无穷小量是（ ）

高等数学 专升本考试 模拟题及答案

高等数学（专升本）-学习指南 一、选择题1．函数2 2 2 2 ln 2 4z x y x y 的定义域为【 D 】A ．2 2 2x y B ．2 2 4x y C ．2 2 2x y D ．2 2 24 x y 解：z 的定义域为： 420 4 022 2 2 2 2 2 y x y x y x ，故而选D 。 2．设)(x f 在0x x 处间断，则有【D 】A ．)(x f 在0x x 处一定没有意义；B ．)0() 0(0 x f x f ; (即)(lim )(lim 0 x f x f x x x x )； C ．)(lim 0 x f x x 不存在，或)(lim 0 x f x x ； D ．若)(x f 在0x x 处有定义，则0x x 时，)()(0x f x f 不是无穷小 3．极限2 2 2 2 123lim n n n n n n 【B 】 A ． 14 B ． 12 C ．1 D ． 0 解：有题意，设通项为： 2 2 2 2 12112 12112 2n Sn n n n n n n n n n 原极限等价于：2 2 2 12111lim lim 2 22 n n n n n n n 4．设2 tan y x ，则dy 【A 】

A ．22tan sec x xdx B ．2 2sin cos x xdx C ．2 2sec tan x xdx D ．2 2cos sin x xdx 解：对原式关于x 求导，并用导数乘以dx 项即可，注意三角函数求导规则。2 2' tan tan 2tan 2tan sec y x d x x dx x x 所以， 2 2tan sec dy x x dx ，即2 2tan sec dy x xdx 5．函数2 (2)y x 在区间[0,4]上极小值是【 D 】 A ．-1 B ．1 C ．2 D ．0 解：对y 关于x 求一阶导，并令其为0，得到220x ； 解得x 有驻点：x=2，代入原方程验证0为其极小值点。6．对于函数,f x y 的每一个驻点00,x y ，令00,xx A f x y ，00,xy B f x y ， 00,yy C f x y ，若2 0AC B ，则函数【C 】 A ．有极大值 B ．有极小值 C ．没有极值 D ．不定7．多元函数,f x y 在点00,x y 处关于y 的偏导数00,y f x y 【C 】A ．0 00 ,,lim x f x x y f x y x B ．0 00 ,,lim x f x x y y f x y x C ．00 000 ,,lim y f x y y f x y y D ．00 00 ,,lim y f x x y y f x y y 8．向量a 与向量b 平行，则条件：其向量积0a b 是【B 】A ．充分非必要条件B ．充分且必要条件C ．必要非充分条件 D ．既非充分又非必要条件9．向量a 、b 垂直，则条件：向量a 、b 的数量积0a b 是【B 】A ．充分非必要条件B ．充分且必要条件C ．必要非充分条件 D ．既非充分又非必要条件 10．已知向量a 、 b 、 c 两两相互垂直，且1a ，2b ，3c ，求a b a b 【C 】 A ．1 B ．2 C ．4 D ．8

专升本大学英语真题2014年

2014 年福建省普通高职(专科)专升本招生统一考试 大学英语试卷 （考试时间120 分钟，满分150 分） 考生答题注意事项： 1、答题前，考生务必在试题卷、答题卡规定的地方填写自己的准考证号、姓名(答题卡 背面只需填写姓名)。考生要认真核对答题卡粘贴的条形码的“准考证号、姓名”与考生本人准考证号、姓名是否一致。 2、本试卷分为两部分，第一部分为选择理，第二部分为非选择题。选择题每小题选 出答案后，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。非选择题用0.5毫米黑色签字笔并严格按照题号顺序在答题卡上书写作答，在试题卷上作答无效。 3、考试结束后，考生必须将试题卷和答题卡一并交回。 4、合理安排答题空间，超出答题区域无效。 第一部分选择题 I . Vocabulary and Structure (45 points,1.5 for each) Directions：In this section, there are 30 incomplete sentences or dialogues. For each of them there are 4 choices marked A, B, C and D. Choose the ONE that best completes the sentence or the dialogue. Then mark the corresponding letter on the ANSWER SHEET. 1. —Could you help me? —__________ A. Good idea B. No problem C. Not at all D. It doesn’t matter 2. He was__________sad that tears came to his eyes suddenly. A. very B. so C. too D. much 3. __________I have a look at your ID card? We have to check your information. A. May B. Must C. Need D. Should 4. Mr. Black is looking forward to__________from his son working abroad. A. hear B. heard C. hears D. hearing 5. There are a lot of parks in my town. Most of__________are beautiful. A. it B. they C. them D. us 6. The poor old man has little money. He can not__________a warm sweater. A. effort B. effect C. afford D. affect 7. Would you like__________cup of tea? A. other B. the other C. another D. others 8. —Thank you very much for helping me with my English.—__________. A. Don’t mind B. That’s all C. Don’t mention it D. That’s right 9. I will tell you as soon as she __________. A. will come back B. came back C. come back D. comes back 10. The American twin sisters are new students in our school. __________of them can speak Chinese very well. A. Neither B. None C. No one D. All 11. There must be__________wrong with my TV set. It doesn’t work. A. nothing B. everything C. anything D. something 12. Having lived here for nearly one year, I have__________the customs in the area now. A. used to B. got used to C. got use to D. been use to

山东省2017年普通高等教育专升本统一考试英语试题及答案

山东省2017 年普通高等教育专升本统一考试 英语试题 本试题分为第Ⅰ卷和第Ⅱ卷两部分，共10 页。满分100 分。考试用时120 分钟。考试结束后，将本试题和答题卡一并交回。 注意事项： 1.答题前，考生务必用0.5 毫米黑色签字笔将自己的姓名、考生号、身份证号填写到试题规定的位置上。 2.第Ⅰ卷每小题选出答案后，用2B 铅笔把答题卡上对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，答案不能答在试题上。 3.第Ⅱ卷答题必须用0.5 毫米黑色签字笔作答，答案必须写在答题卡各题目指定域内相应的位置；如需改动，先划掉原来的答案，然后再写上新的答案；不能使用涂改液、胶带纸、修正带。不按以上要求作答的答案无效。 第一部分：听力理解(Part ⅠListening Comprehension. 本大题共20 小题，每小题1，共20 分。) Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversations and the questions will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A), B), C), and D), and decide which is the best answer. Then mark the corresponding letter on the Answer Sheet with a single line through the center. Short Conversations 1 . A) She finished her reading two weeks ago. B)She finished her reading quickly. C)She will write an English novel in two weeks. D)She couldn 't finish her reading in less than a month. 2. A) It gets on your nerves if you buy five of them. B)It's a very good bargain. C)It's too expensive. D)If you buy five, the price is lower. 3 . A) She wants to know when the man will be free. B)She will be busy every day this week. C)She will be able to go some time later. D)She doesn 't want to go to the theater with the man at all. 4.A) The airplane has already left. B)The plane is overdue. C)They should take the 9:45 flight. D)The plane has arrived early at 3:39.

(完整word版)专升本高等数学测试题(答案)(3)

专升本高等数学测试题 1.函数x y sin 1+=是（ D ）． （A ） 奇函数； （B ） 偶函数； （C ） 单调增加函数； （D ） 有界函数． 解析 因为1sin 1≤≤-x ，即2sin 10≤+≤x , 所以函数x y sin 1+=为有界函数． 2.若)(u f 可导，且)e (x f y =，则有（ B ）； （A ）x f y x d )e ('d =； （B ）x f y x x d e )e ('d =； （C ）x f y x x d e )e (d =； （D ）x f y x x d e )]'e ([d =． 解析 )e (x f y =可以看作由)(u f y =和x u e =复合而成的复合函数 由复合函数求导法 ()x x u f u f y e )(e )(?'=''='， 所以 x f x y y x x d e )e ('d d =?'=． 3.?∞ +-0d e x x =( B ); (A)不收敛; (B)1; (C)－１; (D)0. 解析 ?∞+-0d e x x ∞ +--=0e x 110=+=． 4.2(1)e x y y y x '''-+=+的特解形式可设为（ A ）； (A)2()e x x ax b + ； (B) ()e x x ax b +； (C) ()e x ax b +； (D) 2 )(x b ax +． 解析 特征方程为0122 =+-r r ，特征根为 1r =2r =1．λ=1是特征方程的特征重根，于是有2()e x p y x ax b =+． 5.=+??y x y x D d d 22( C )，其中D ：1≤22y x +≤4； (A) 2π420 1d d r r θ??； (B) 2π401d d r r θ??； (C) 2π 2201d d r r θ??； (D) 2π2 01d d r r θ??． 解析 此题考察直角坐标系下的二重积分转化为极坐标形式． 当???==θ θsin cos r y r x 时，d d d d x y r r θ=，由于1≤22y x +≤4，D 表示为 21≤≤r ，02πθ≤≤，故=+??y x y x D d d 22d d D r r r θ?=??2π2 201d d r r θ??．

专升本数学模拟试题(一)

一东北数学试题（一） 一、选择题：本大题共10个小题，每小题4分，共40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，把所选项前的字母填在题后的括号内。 1.设，则等于（） A. B. C. D. 2. 已知为常数，，则等于（） A. B. C. D. 0 3. 已知，则等于（） A. B. C. D. 4. 已知，则等于（） A. B. C. D. 5. 已知，则等于（） A. B. C. D. 6. 设的一个原函数为，则下列等式成立的是（） A. B. C. D. 7. 设为连续函数，则等于（） A. B. C. D. 8.广义积分等于 （ ） A. B. C. D. 9. 设，则等于（） A. B. C. D. 10. 若事件与为互斥事件，且，则等于（） A. 0.3 B. 0.4 C. 0.5 D.0.6 二、填空题：本大题共10个小题，每小题4分，共40分，把答案填在题中横线上。 11.设，则 . 12. . 13.设，则 . 14.函数的驻点为 . 15.设，则 . 16. .

17.设，则 . 18.若，则 . 19.已知，则 . 20.已知，且都存在，则 . 三、解答题：本大题共8个小题，共70分。解答应写出推理、演算步骤。 21.（本题满分8分）计算. 22. （本题满分8分）设函数，求. 23. （本题满分8分）计算. 24. （本题满分8分）甲、乙二人单独译出某密码的概率分别为0.6.和

0.8，求此密码被破译的概率. 25. （本题满分8分）计算. 26.（本题满分10分）设函数在点处取得极小值－1，且点（0，1）为该函数曲线的拐点，试求常数. 27.（本题满分10分）设函数是由方程所确定的隐函数，求函数曲线，过点（0，1）的切线方程.

大学英语2复习题(专升本)

《大学英语》复习题（专升本） 一、单项填空 1. ---Have you heard the latest news? ---No, What ________? A. is it B. is there C. are they D. are those 2. Some pre-school children go to a day care center, __________ they learn simple games and songs. A. then B. there C. while D. where 3. Does this meal cost $50? I __________ something far better than this! A. prefer B. expect C. suggest D. suppose 4. ---Can you read the sign, sir? No smoking allowed in the lift! ---__________________. A. Never mind B. Don’t mention it C. Sure, I don’t smoke D. Pardon me 5．---The last one __________________ pays the meal. ---Agreed! A．arrived B．arrives C．to arrive D．arriving 6．---How’s your tour ar ound the North Lake? Is it beautiful? ---It ________ be, but it is now heavily polluted. A．will B．would C．should D．must 7．We all know that, __________, the situation will get worse. A．not if dealt carefully with B．if not carefully dealt with C．if dealt not carefully with D．not if carefully dealt with 8．I smell something __________ in the kitchen. Can I call you back in a minute? A．burning B．burnt C．being burnt D．to be burnt 9．Between the two generations, it is often not their age, _________ their education that causes misunderstanding. A．like B．as C．or D．but 10．The manager suggested an earlier date ____________ the meeting. A．on B．for C．about D．with 二、完形填空 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

2006年江西省专升本英语统一考试试题

2006年江西省专升本英语统一考试试题 Part I Listening Comprehension (20 minutes) Section A Directions: In this section, you will hear 10 short conversations. At the end of each conversation, a question will be asked about what was said. Both the conversation and the question will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A), B), C) and D), and decide which is the best answer. Then mark the corresponding letter on the Answer Sheet with a single line through the center. Example: You will hear: You will read: A) At the office. B) In the waiting room. C) At the airport. D) In the restaurant. From the conversation we know that the two were talking about some work they had to finish in the evening. This is most likely to have taken place at the office. Ther efore, A) “At the office” is the best answer. You should choose [A] on the Answer Sheet and mark it with a single line though the center. Sample Answer [A] [B] [C] [D] 1. A) Mary is fond of her job. C) Mary dislikes her present job. B) Mary is too busy to find a job. D) Mary hasn’t got a job yet. 2. A) He is hesitating. C) He refuses to drive her. B) He is glad to drive her. D) He is unwilling to drive her. 3. A) A library C) A bank. B) A hotel. D) A hospital. 4. A) This Saturday. C) Next Friday. B) This Sunday. D) Next Saturday. 5. A) The woman will finish her report soon. B) The woman has finished her report. C) The woman has much work to do. D) It will take the woman long to do her work. 6. A) In a bookstore. B) In a classroom. C) In a department store. D) In a library. 7. A) Linda knows where Mike is. C) Linda knows Mike very well. B) Linda is with Mike. D) Linda is Mike’s friend. 8. A) She cannot afford a new car. C) She has already bought a new car. B) She’s working hard to buy a new car. D) She has decided to buy a new car. 9. A) He wants the woman to leave the room.

历年江西省专转本数学历年真题

2001年江西省普通高校“专转本”统一考试 高等数学 一、选择题（本大题共5小题，每小题3分，共15分） 1、下列各极限正确的是 （ ） A 、e x x x =+→)11(lim 0 B 、e x x x =+∞→1 )1 1(lim C 、11sin lim =∞ →x x x D 、11 sin lim 0=→x x x 2、不定积分 =-? dx x 2 11 （ ） A 、 2 11x - B 、 c x +-2 11 C 、x arcsin D 、c x +arcsin 3、若)()(x f x f -=，且在[)+∞,0内0)(' >x f 、0)(' '>x f ，则在)0,(-∞内必有 （ ） A 、0)(' x f C 、0)(' >x f ,0)(' 'x f ,0)(' '>x f 4、 =-? dx x 2 1 （ ） A 、0 B 、2 C 、－1 D 、1 5、方程x y x 42 2 =+在空间直角坐标系中表示 （ ） A 、圆柱面 B 、点 C 、圆 D 、旋转抛物面 二、填空题（本大题共5小题，每小题3分，共15分） 6、设???+==2 2t t y te x t ，则==0 t dx dy 7、0136' ' '=+-y y y 的通解为 8、交换积分次序 =? ?dy y x f dx x x 220 ),( 9、函数y x z =的全微分=dz

10、设)(x f 为连续函数，则 =+-+? -dx x x x f x f 31 1 ])()([ 三、计算题（本大题共10小题，每小题4分，共40分） 11、已知5 cos )21ln(arctan π +++=x x y ，求dy . 12、计算x x dt e x x t x sin lim 20 2 ?-→. 13、求) 1(sin )1()(2 --=x x x x x f 的间断点，并说明其类型. 14、已知x y x y ln 2 +=，求1 ,1==y x dx dy . 15、计算dx e e x x ?+12. 16、已知 ?∞-=+0 2 2 1 1dx x k ，求k 的值. 17、求x x y y sec tan ' =-满足00 ==x y 的特解. 18、计算 ??D dxdy y 2 sin ，D 是1=x 、2=y 、1-=x y 围成的区域. 19、已知)(x f y =过坐标原点，并且在原点处的切线平行于直线032=-+y x ，若 b ax x f +=2'3)(，且)(x f 在1=x 处取得极值，试确定a 、b 的值，并求出)(x f y =的表达式. 20、设),(2 y x x f z =，其中f 具有二阶连续偏导数，求x z ??、y x z ???2.

高等数学专升本模拟试题9

一、单项选择题（每小题4分，共40分） 1． 函数在0x 处可积是在该点连续的（ ） (A) 充分非必要条件 (B) 必要非充分条件 (C) 充要条件 (D) 既非充分又非必要条件 2．方程sin 0y y xe +=所确定的曲线()y y x =在(0,0)点处的切线的斜率为（ ） (A) -1； (B) 1； (C) 12； (D) 12- 3．曲线1sin y x x =（ ） (A)仅有水平渐近线 (B) 既有水平渐近线，又有垂直渐近线 (C) 仅有垂直渐近线 (D) 既无水平渐近线，又无垂直渐近线 4．设(ln )1f x x '=+，则()f x 等于（ ） (A) 21ln ln 2 x x c ++ (B) 22x x c -++(C) x x e c ++(D) 22x x e e c ++ 5．计算2122dx x x +∞ -∞=++?（ ） (A) 0； (B) 2π；(C) 2π-； (D) π 6. 下列函数在给定区间上满足罗尔定理条件的是（ ） (A) 23 (),[1,1]21f x x =-+； (B) (),[0,1]x f x xe -=； (C) 2 5(),[0,5]1 x 5 x x f x +

专升本大学英语试题及答案

1(2分)、 2 Reading ____ the mind only with materials of knowledge; it is thinking that makes what we read ours. A、 rectifies B、 prolongs C、 minimizes D、 furnishes 参考答案：D 2(2分)、 2 I fell and hurt myself while I ________ basketball yesterday. A、 was playing B、 am playing C、 play D、 played 参考答案：A 3(2分)、 2 We’ve missed the last bus. I’m afraid we have no ________ but to take a taxi. A、 way B、 choice C、 possibility D、 selection 参考答案：B 4(2分)、 Measles(麻疹) ________ a long time to get over. A、 spend B、

C、 take D、 takes 参考答案：D 5(2分)、 2 He asked the waiter ________ the bill. A、 on B、 of C、 for D、 after 参考答案：C 6(2分)、 When you go to the doctor he asks you to describe your ____ so that he can make a diagnosis (诊断). A、 indications B、 signs C、 symbols D、 symptoms 参考答案：D 7(2分)、 2 I forgot to return the book to you yesterday. So I _____________today. A、 might do it B、 must do it C、 had to do it D、 must have to do it 参考答案：B 8(2分)、

山东省2008年普通高等教育专升本统一考试真题(2)[1]

山东省2008年普通高等教育专升本统一考试 英语试卷 （考试时间：120分钟） Part1 listening comprehension(15 points,1 point each ) Section A 1.A.30 dollars. B.40 dollars. C.50 dollars. D.60 dollars. 2.A.At a concert. B.At a flower shop. C.At a museum. D.At a restaurant. 3.A.Two blocks. B.Three blocks. C.Four blocks. D.Five blocks 4.A.The man’s father didn’t go. B.The man thought the game was excellent. C.They thought the game was unsatisfactory. D.The man’s father thought the game was satisfactory. 5.A.Go to dance. B.Go to the Student Centre. C.Go to a lecture. D.Stay at home. Section B Question 6 to 10 are based on the following conversation: 6.A.She works at the meat counter. B.She puts groceries out on the shelves. C.She carries groceries out of the store for customers.\ D.She checks the quality of milk products. 7.A.He wants to earn money for school. B.He wants to keep his family’s yard looking nice. C.He wants to be able to work outdoors. D.He wants to get exercise while working. 8.A.Because he can’t earn much money. B.Because he has to work for too long. C.Because he does’t have time for lunch. D.Because he sometimes has to work in bad weather. 9.A.He is going to finish his homework. B.He is going to cut grass. C.He is going to plant trees. D.He is going to buy groceries. 10.A.They are a couple. B.They are schoolmates. C.They are doctor and nurse in a school. D.They are boss and secretary in a company. Question 11 to 15 are based on the following passage. 11.A.Lung cancer. B.High blood pressure. C.AIDS. D.High fever. 12.A.Because smoking makes them good thinkers. B.Because smoking makes them feel relaxed. C.Because smoking is fun to them. D.Because smoking cures them of cancer. 13.A.Cigarette ashes. B.Nicotine. C.Tar. D.Not mentioned in the passage. 14.A.To buy cigarettes with less tar. B.To smoke only a few cigarettes a day.

2017年专升本高等数学真题试卷

高等数学 请考生按规定用笔将所有试题的答案涂、写在答题纸上。 选择题部分 注意事项: 1.答题前，考生务必将自己的姓名、准考证号用黑色字迹的签字笔或钢笔填写在答题纸规定 的位置上。 2.每小题选出答案后，用 2B 铅笔把答题纸上对应题目的答案标号涂黑，如需改动，用橡皮 擦干净后，再选涂其它答案标号。不能答在试题卷上。 一、选择题: 本大题共5小题,每小题4分,共 20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．已知函数1 x ()e f x =，则x=0是函数f(x)的（ ）． （A ）可去间断点 （B ）连续点 （C ）跳跃间断点 （D ）第二类间断点 2. 设函数f(x)在[a,b]上连续，则下列说法正确的是 （A ）b a ()()()f x dx f b a ζζ∈=-?必存在（a,b ）,使得 （B ）'()()f b a ζζ∈-必存在（a,b ）,使得f(b)-f(a)= （C ）()0f ζξ∈=必存在（a,b ）,使得 （D ）'()0f ζζ∈=必存在（a,b ）,使得 3 下列等式中，正确的是 （A ）'()()f x dx f x =? （B ）()()df x f x =?（C ）()()d f x dx f x dx =? （D ）()()d f x dx f x =? 4. 下列广义积分发散的是 （A ）+2011+dx x ∞ ? （B ）12 011dx x -? （C ）+0ln x dx x ∞? （D ）+0x e dx ∞-? 5． y -32sin ,x y y e x '''+=微分方程则其特解形式为 （A ）sin x ae x （B ）(cos sin )x xe a x b x +

专升本数学模拟试题及答案

2017年成人高考专升本高等数学模拟试题一 高等数学 一. 选择题（1-10小题，每题4分，共40分） 1. 设0 lim →x sinax x =7,则a 的值是（ ） A 1 7 B 1 C 5 D 7 2. 已知函数f(x)在点x 0处可等，且f ′(x 0)=3,则0 lim →h f(x 0+2h )-f(x 0) h 等于（ ） A 3 B 0 C 2 D 6 3. 当x 0时，sin(x 2+5x 3)与x 2比较是（ ） A 较高阶无穷小量 B 较低阶的无穷小量 C 等价无穷小量 D 同阶但不等价无穷小量 4. 设y=x -5+sinx ，则y ′等于（ ） A -5x -6+cosx B -5x -4+cosx C -5x -4-cosx D -5x -6 -cosx 5. 设y=4-3x 2 ，则f ′(1)等于（ ） A 0 B -1 C -3 D 3 6. ??(2e x -3sinx)dx 等于（ ） A 2e x +3cosx+c B 2e x +3cosx C 2e x -3cosx D 1 7. ?? 01 dx 1-x 2 dx 等于（ ） A 0 B 1 C 2 π D π 8. 设函数 z=arctan y x ，则x z ??等于（ ）y x z ???2 A -y x 2 +y 2 B y x 2+y 2 C x x 2+y 2 D -x x 2 +y 2 9. 设y=e 2x+y 则y x z ???2=（ ） A 2ye 2x+y B 2e 2x+y C e 2x+y D –e 2x+y 10. 若事件A 与B 互斥，且P （A ）＝0.5 P （AUB ）＝0.8,则P （B ）等于（ ） A 0.3 B 0.4 C 0.2 D 0.1 二、填空题（11-20小题，每小题4分，共40分） 11. ∞→x lim (1-1 x )2x = 12. 设函数f(x)= 在x=0处连续，则 k ＝ 13. 函数-e -x 是f(x)的一个原函数，则f(x)＝ 14. 函数y=x-e x 的极值点x= 15. 设函数y=cos2x ， 求y ″= Ke 2x x<0 Hcosx x ≥0

专升本大学英语模拟试题(二)#精选.

2017年专升本大学英语模拟试题（二） I.Vocabulary and Structure Directions: There are 45 incomplete sentences in this section. For each sentence there are four choices marked A, B, C and D. Choose one answer that best completes the sentence and blacken the corresponding letter on the Answer Sheet. 1. Their idea is ______ to all of us and you do not need to tell us more about it. A. apparent B. appearing C. approaching D. apart 2. Please do not ______ when somebody else is talking. A. intend B. interpret C. interrupt D. invest 3 It has been about 7 years since they __________. A. got married B. got marry C. get marry D. have married 4 Everyone, as a citizen, _______do his best for the economic development of his own country. A. would B. might C. should D. had to 5 _______ breaks the law must be punished. A. Who B. However he C. Whoever D. No matter who 6 This is the air conditioner ________ we have had so much trouble. A. at which B. of which C. to which D. with which 7. _______ we know, there are 107 elements found in nature. A. As long as B. Just as C. So far as D. For all 8. There ______ not only the earth but also eight other planes in the solar system A. are B. were C. is D. was 9 Not until the mid-nineteenth century _______ achieve recognition A. had EL Greco’s work C. did EL Greco’s work B. EL Greco’s work D. EL Greco’s work did 10. He is one of the best players in the game, ________? A. is he B. doesn’t he C. does he D. isn’t he 11. When you go to a foreign country, you must _________yourself to the manners and customs there. A. admire B. adopt C. adapt D. admit 12. We regret _______ you that you are to be dismissed next week. A. to have informed C. to inform B. informing D. having informed 13. There were one thousand _______ at the national entrance examinations last year. A. applicants B. participants C. assistants D. candidates 14 Plenty of hard work _______ the process. A. accompany B. is accompanied C. accompanies D. are accompanied 15 They talked in whispers, but stil l I couldn’t help but _______ their conversation. A. overhear B. to overhear C. overhearing D. overheard 16 The students expected there ________ more reviewing classes before the final test. A. is B. being C. have D. to be 17. Since it rained yesterday and the ground is still ______ today, you can not sit on the ground. A. damp B. moist C. rainy D. humid 18 But for the heavy rain, we _______.