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西南交通大学网络远程教育专升本理科类入学考试模拟试题.docx

1、入学考试(专本理科)复习题 一、单项选择题(只有一个选项正确,共119道小题) 1. 曲面x2+y2+z2=12在点(2.2.2)的切平面方程是( )   (A) x+y+z=4   (B) x+y+z=12   (C) x+y+z=2   (D) x+y+z=6 正确答案:D 解答参考: 2. 设平面区域(a)由x轴,y轴及直x+y=1围成,则二重积分化为累次积分后为(    )   (A)    (B)    (C)    (D)  正确答案:A 解答参考: 3. 设3x2+4y2-1=0,则dy/dx=()   (A) 

2、4y/3x   (B) 3x/4y   (C) -3x/4y   (D) -4y/3x 正确答案:C 解答参考: 4. 函数y=1/(x+2)单调减少的区间是()   (A)    (B)    (C)    (D)  正确答案:C 解答参考: 5. 的原函数是(  )   (A) arcsinx   (B) -arcsinx   (C)    (D)  正确答案:C 解答参考: 6. ()   (A) 0   (B) 1/4   (C) 1/2   (D) 1 正确答案:B 解答参考: 7. 函数f(x

3、)=1+xsin2x是()   (A) 奇函数   (B) 偶函数   (C) 有界函数   (D) 非奇非偶函数 正确答案:B 解答参考: 8. 下列平面中过点(3,-1,5)且与直线平行x/2=(-y/1)=z/0的平面为()   (A) z-5=0   (B) x-3=0   (C) y+1=0   (D) (x-3)/2=(y+1)/-1 正确答案:A 解答参考: 9. 级数的收敛区间是()   (A)    (B) (-2,2)   (C) [-2,2]   (D)  正确答案:A 解答参考: 10. 设函数u=l

4、n(x2+y2+z2),则du| (1,1,1)= ( )   (A) (dx+dy+dz)/3   (B) 2(dx+dy+dz)/3   (C) dx+dy+dz   (D) 4(dx+dy+dz)/3 正确答案:A 解答参考: 11. 级数( )   (A) 收敛   (B) 绝对收敛   (C) 的敛散性无法判断   (D) 发散 正确答案:D 解答参考: 12. ()   (A) cos3x/3+C   (B) -cos3x/3+C   (C) -cos3x+C   (D) cos3x+C 正确答案:B 解答参考: 1

5、3. 设f(x)是的连续函数,则()   (A) 2f(x2)   (B) 2x2f(t*t)   (C) f'(t2)   (D) f(x2) 正确答案:A 解答参考: 14. 设,则()   (A) 1/(1+sin2x)   (B) cosx/(1+sin2x)   (C) -cosx/(1+sin2x)   (D) -1/(1+sin2x) 正确答案:C 解答参考: 15. 当D={(x,y)|-1<=x<=1,-1<=y<=1}时,则(     )       (A) 0   (B) 1   (C) 2   (D) 

6、12 正确答案:D 解答参考: 16. 设函数z=x2+y2-2x-4y,则()   (A) 在点(1,2)处取最大值5   (B) 在点(1,2)处取最小值-5   (C) 在点(0,0)处取最大值0   (D) 在点(0,0)处取最小值0 正确答案:B 解答参考: 17. 函数y=xcos2+(x/(1+x2))+x3是( )        (A) 奇函数   (B) 偶函数   (C) 非奇非偶函数   (D) 有界函数 正确答案:A 解答参考: 18. 函数的周期是()   (A) 2   (B) 0   (C)

7、 1   (D)  正确答案:C 解答参考: 19. 设y=logax  (a>0,a不为0),则dy=(   )   (A) dx/x   (B) 1/x   (C) 1/xlna   (D) dx/xlna 正确答案:D 解答参考: 20. 下列集合可作为一条有向直线在空间直角坐标系中的方向角的是()   (A) 45°,45°,60°   (B) 45°,60°,60°   (C) 30°,45°,60°,   (D) 45°,60°,90° 正确答案:B 解答参考: 21. 的正确答案是()   (A) -cos2x

8、   (B) 2xsinx2   (C)  2xcosx4   (D)  sin2x 正确答案:C 解答参考: 22. 设a>0,b>0,则   (A) 不存在   (B) a/b   (C)    (D) ln(a/b) 正确答案:D 解答参考: 23. 在抛物线y=x2上点M的切线的倾角为45度,则点M的坐标为(  )   (A) (1/2,1/4)   (B) (1,1)   (C) (1/4,1/2)   (D) (-1,1) 正确答案:A 解答参考: 24. 函数的周期是(    )   (A) 2   

9、B)    (C)  /2   (D) 0 正确答案:B 解答参考: 25. 过点(1,0,2)且与已知直线平行的直线为()   (A)    (B)    (C)    (D)  正确答案:D 解答参考: 26. 设则()   (A) 2f(x)   (B) f(4x)   (C) f(2x)   (D) 2f(2x) 正确答案:D 解答参考: 27. 级数=()   (A) 收敛   (B) 绝对收敛   (C) 不一定发散   (D) 发散 正确答案:D 解答参考: 28.  =(   

10、 )       (A) 1/2   (B) 0   (C) 1   (D)  正确答案:B 解答参考: 29. 设则=()   (A) 0   (B) 1   (C) -1   (D) 2 正确答案:B 解答参考: 30. 微分方程2y''+3y'+y=0的通解为()   (A) y=C1e-2x+C2e-3x   (B) y=e-x+C2e-x/2   (C) y=C1e-x+C2e-x/2   (D) y=e-x+C2e2x 正确答案:C 解答参考: 31. 函数5e5x的一个原函数为( )   (A) e5x

11、   (B) 5e5x   (C) e5x/5   (D) -e5x 正确答案:A 解答参考: 32. 设 y=x+(1+x2)1/2 则y'=()         (A)    (B)    (C)    (D)  正确答案:C 解答参考: 33. 设函数f(x,y)=xy+y/x,则fx(1,1)= ( )   (A) 0   (B) 1   (C) -1   (D) 2 正确答案:A 解答参考: 34. 设曲线y=e1-x2与直线x=1的交点为,则曲线在P点的切线方程是( )   (A) 2x-

12、y+2=0   (B) 2x+y+1=0   (C) 2x+y-3=0   (D) 2x-y+3=0 正确答案:B 解答参考: 35. f(x) 在点x可导是f(x)在x点连续的( )   (A) 充分条件   (B) 必要条件   (C) 充分必要条件   (D) 无关条件 正确答案:A 解答参考: 36. 如果f(x0)=0且f’(x0)存在,则=()   (A) f’(x0)   (B) 0   (C) 不存在   (D)  正确答案:A 解答参考: 37. 判断级数是(   )   (A) 绝对收   (B) 

13、条件收敛.   (C) 条件收敛且绝对收   (D) 发散 正确答案:B 解答参考: 38. 已知在抛物线y=x2上点M的切线的倾角为/4,则点M的坐标为()   (A) (1,1)   (B) (1/2,1/4)   (C) (-1/2,1/4)   (D) (-1,1) 正确答案:B 解答参考: 39. =()   (A)    (B) 4/3   (C) 0   (D) 2/3 正确答案:C 解答参考: 40. 函数的定义域是( )   (A)    (B) (0,1)   (C) (-1,0)   (D) (

14、1,1) 正确答案:D 解答参考: 41.  设v=v(x)在x可导,而且v(x)不为0,那么函数1/v(x)也在x可导,且有[1/v(x)]'=()   (A)    (B)    (C)    (D)  正确答案:D 解答参考: 42. =()   (A) 1   (B)    (C) 不存在   (D) 0 正确答案:B 解答参考: 43. 内的和函数是(  )   (A) ln(1-x)   (B) ln(1+x)   (C)  e-x   (D)  ex 正确答案:B 解答参考:

15、44. 设则x=1为f(x)的(  C  )   (A) 连续点   (B) 无穷间断点   (C) 跳跃间断点   (D) 可去间断点 正确答案:C 解答参考: 45. 设函数f(x)在[a,b]上连续,则f(x)在区间[a,b]上的平均值=(    )   (A) (f(a)-f(b))/(a-b)   (B) f(a)-f(b)   (C)    (D)  正确答案:C 解答参考: 46. 下列广义积分收敛的是( )   (A)    (B)    (C)    (D)  正确答案:D 解答参考: 47.

16、设y=tgx_secx,则dy=(   )        (A) sec2x+secxtgx   (B) (sec2x+secxtgs)dx   (C) (sec2xx+tg2x)dx   (D) sec2x+t 正确答案:B 解答参考: 48. 用待定系数法求方程y''+2y'=5的特解时,应设(   )   (A)    (B)    (C)    (D)  正确答案:C 解答参考: 49. 函数的定义域为( )   (A)    (B)    (C)    (D)  正确答案:D 解答参考: 50. 设区域为:

17、则()   (A)    (B)    (C)    (D)  正确答案:A 解答参考: 51.  曲线y=(x-1)3-1的拐点是(    )        (A) (2,0)   (B) (1,-1)   (C) (0,-2)   (D) 不存在的 正确答案:B 解答参考: 52. 曲线y=e1/x-1的水平渐近线方程为( )   (A) x=1   (B) y=1   (C) x=0   (D) y=0 正确答案:D 解答参考: 53. 设z=(x2+y2)/2,则(     )   (A) z=x+y/2

18、   (B) x   (C) y   (D) x+y 正确答案:B 解答参考: 54. 函数,则(    )   (A) 4(dx+dy)   (B) 4(dx-dy)   (C) 4(dx+ln2dy)   (D) 4(dx-ln2dy) 正确答案:C 解答参考: 55. 微分方程y''+2y'-8y的通解为(    )   (A) y=C1e-4x+2e2x   (B) y=4e4x+C2e -2x   (C) y=C1e-4x+C 2e2x   (D) y=C 1e4x+C2e -2x 正确答案:C 解答参考: 5

19、6. 设F(x)是f(x)的一个原函数,则=(   )   (A) F(1-2x)+C   (B) F(1-2x)/2+C   (C) -F(1-2x)+C   (D) -F(1-2x)/2+C 正确答案:D 解答参考: 57. 当时x=1或x=-1时y=x3+3px+q,函数有极值,那么p=( )   (A) -1   (B) 1   (C) 0   (D) 2 正确答案:A 解答参考: 58. ()   (A) 0   (B) 不存在   (C) 1   (D)  正确答案:A 解答参考: 59. 设数列an,bn及

20、cn满足:对任意的,且,,则(   )   (A) 0   (B) 1   (C) 2   (D) -2 正确答案:C 解答参考: 60. A lawyer’s income is usually very high, ________ more than one million yuan a year.   (A) add up to   (B) added up to   (C) amounted to   (D) amounting to 正确答案:D 解答参考: 61. There are 4 words marked A), B), C)

21、and D ) in each group. Choose the one which underlined part has a different pronunciation from the other three   (A) coast   (B) broad   (C) soap   (D) float 正确答案:B 解答参考: 62. Because of the terrible weather, neither I nor she ________ have a walk this evening.   (A) am going to   (B) ar

22、e going to   (C) is going to   (D) was going to 正确答案:C 解答参考: 63. There are 4 words marked A), B), C) and D ) in each group. Choose the one which underlined part has a different pronunciation from the other three.   (A) exercise   (B) excuse   (C) explain   (D) tremely 正确答案:A 解答参考:

23、 64. It is not polite to ________ when someone is making a speech at a meeting like this.   (A) turn up   (B) cut in   (C) speak out   (D) stand by 正确答案:B 解答参考: 65. ________, its very tidy.   (A) As her room is small   (B) Small as her room is   (C) As small her room is   (D) Small a

24、s her room 正确答案:B 解答参考: 66. Please speak loudly ________ everyone in the classroom can hear you.   (A) so that   (B) so as to   (C) in order to   (D) so on 正确答案:A 解答参考: 67. On April 1st they flew to Beijing, ________ they stayed several days.   (A) when   (B) which   (C) where

25、  (D) there 正确答案:C 解答参考: 68. She should stop working; she has a headache because she ________ too long.   (A) has been reading   (B) had read   (C) is reading   (D) read 正确答案:A 解答参考: 69. There are 4 words marked A), B), C) and D ) in each group. Choose the one which underlined part

26、 has a different pronunciation from the other three   (A) Wednesday   (B) thunder   (C) language   (D) twentieth 正确答案:C 解答参考: 70. There are 4 words marked A), B), C) and D ) in each group. Choose the one which underlined part has a different pronunciation from the other three   (A) word

27、   (B) world   (C) sword   (D) worm 正确答案:C 解答参考: 71. The experiment ________ the discovery of a cure for cancer.   (A) happened to   (B) led up   (C) resulted in   (D) set up 正确答案:C 解答参考: 72. There are 4 words marked A), B), C) and D ) in each group. Choose the one which underlin

28、ed part has a different pronunciation from the other three   (A) graduate   (B) recognize   (C) apology   (D) finger 正确答案:C 解答参考: 73. Nobody but John ________ the secret.   (A) know   (B) ) knows   (C) have known   (D) is known 正确答案:B 解答参考: 74. There are 4 words marked A), B),

29、C) and D ) in each group. Choose the one which underlined part has a different pronunciation from the other three   (A) hall   (B) fall   (C) small   (D) shall 正确答案:D 解答参考: 75. She got to know the young man very well ________ she had worked for so long.   (A) with whom   (B) in whom   

30、C) whom   (D) to whom 正确答案:A 解答参考: 76. There are 4 words marked A), B), C) and D ) in each group. Choose the one which underlined part has a different pronunciation from the other three.   (A) maps   (B) bags   (C) desks   (D) bikes 正确答案:B 解答参考: 77. The committee members propose

31、that the plan ________ postponed for a few days.   (A) being   (B) to be   (C) been   (D) be 正确答案:D 解答参考: 78. There are 4 words marked A), B), C) and D ) in each group. Choose the one which underlined part has a different pronunciation from the other three.   (A) butter   (B) mute   (C

32、) mule   (D) assume 正确答案:A 解答参考: 79. There are 4 words marked A), B), C) and D ) in each group. Choose the one which underlined part has a different pronunciation from the other three.   (A) enough   (B) rough   (C) tough   (D) though 正确答案:D 解答参考: 80. When the old lady is alone in

33、 the house, her dog makes her feel ________ and relaxed.   (A) safe   (B) healthy   (C) lonely   (D) angry 正确答案:A 解答参考: 81. There are 4 words marked A), B), C) and D ) in each group. Choose the one which underlined part has a different pronunciation from the other three.   (A) Christ mas

34、   (B) tight ly   (C) first   (D) test 正确答案:A 解答参考: 82. —Do you like the book Sidney gave you? —Very much. Its exactly ________ I wanted.   (A) one which   (B) the one   (C) one that   (D) one what 正确答案:B 解答参考: 83. All of her living cost ________ 2,000 yuan each month.   (A) ge

35、ts to   (B) equals to   (C) arrives at   (D) comes at 正确答案:D 解答参考: 84. I don’t mind ________ the decision.   (A) you to delay making   (B) your delaying making   (C) your delaying to make   (D) you delay to make 正确答案:B 解答参考: 85. Your little girl is becoming very rude. You ______

36、 scold her.   (A) may   (B) can   (C) ought to   (D) need 正确答案:C 解答参考: 86. It’s reported that the police are ________ the area for the criminal.   (A) processing   (B) searching   (C) operating   (D) handling 正确答案:B 解答参考: 87. There are 4 words marked A), B), C) and D ) in eac

37、h group. Choose the one which underlined part has a different pronunciation from the other three   (A) childhood   (B) chicken   (C) character   (D) chairman 正确答案:C 解答参考: 88. Though he ________ well prepared before the job interview, he failed to answer some important questions.   (A) wi

38、ll be   (B) would be   (C) has been   (D) had been 正确答案:D 解答参考: 89. He spoke so quickly that I did not ________ what he said.   (A) catch   (B) accept   (C) take   (D) listen 正确答案:A 解答参考: 90. Most Chinese like to drink tea. But some prefer coffee ________ tea.   (A) to   (B) w

39、ith   (C) for   (D) against 正确答案:A 解答参考: 91. There are 4 words marked A), B), C) and D ) in each group. Choose the one which underlined part has a different pronunciation from the other three.   (A) mamage   (B) many   (C) matter   (D) madam 正确答案:B 解答参考: 92. ________ he was serio

40、usly ill, I wouldn’t have told him the truth.   (A) If I knew   (B) If I know   (C) Had I known   (D) Did I know 正确答案:C 解答参考: 93. ________determines a good meal varies from country to country.   (A) What   (B) That   (C) It   (D) Which 正确答案:A 解答参考: 94. So many representatives__

41、 the conference had to be postponed.   (A) to be absent   (B) were absent   (C) being absent   (D) was absent 正确答案:C 解答参考: 95. There are 4 words marked A), B), C) and D ) in each group. Choose the one which underlined part has a different pronunciation from the other three   (A) t

42、urn   (B) saturday   (C) hurt   (D) occur 正确答案:B 解答参考: 96. We anticipate ________ problems in carrying out the reform.   (A) run into   (B) to run into   (C) running into   (D) ran into 正确答案:C 解答参考: 97. There are 4 words marked A), B), C) and D ) in each group. Choose the one wh

43、ich underlined part has a different pronunciation from the other three   (A) aunt   (B) author   (C) austrilia   (D) autumn 正确答案:A 解答参考: 98. The city has decided to ________ all the old buildings.   (A) break away from   (B) get rid of   (C) come up with   (D) knock down 正确答案:D 解答参考

44、 99. There are 4 words marked A), B), C) and D ) in each group. Choose the one which underlined part has a different pronunciation from the other three   (A) coast   (B) broad   (C) soap   (D) float 正确答案:B 解答参考: 100. If you travel in a foreign country, a tour ________ may save you a

45、 lot of trouble.   (A) director   (B) guide   (C) helper   (D) assistant 正确答案:B 解答参考: 101. I’d like to ________ your essay with you when you have time.   (A) go for   (B) go over   (C) go after   (D) go by 正确答案:B 解答参考: 102. He doesn’t feel like ________ a picnic in the park thi

46、s weekend, and he suggested watching the football match instead.   (A) have   (B) to have   (C) having   (D) had 正确答案:C 解答参考: 103. You’d better ________ the whole article at once.   (A) copy   (B) to copy   (C) copying   (D) copied 正确答案:A 解答参考: 104. There are 4 words marked A),

47、 B), C) and D ) in each group. Choose the one which underlined part has a different pronunciation from the other three.   (A) deal   (B) deaf   (C) weak   (D) beat 正确答案:B 解答参考: 105. Don’t worry! Just do it ________ I do it.   (A) like   (B) since   (C) for   (D) as 正确答案:D 解答参考:

48、 106. There are 4 words marked A), B), C) and D ) in each group. Choose the one which underlined part has a different pronunciation from the other three   (A) lecture   (B) recognize   (C) level   (D) recent 正确答案:D 解答参考: 107. There are 4 words marked A), B), C) and D ) in each group. Choo

49、se the one which underlined part has a different pronunciation from the other three.   (A) worth   (B) worn   (C) worst   (D) word 正确答案:B 解答参考: 108. The manager told us never to ________ till tomorrow what we can do today.   (A) come up   (B) turn on   (C) put off   (D) give out 正确答案

50、C 解答参考: 109. There are 4 words marked A), B), C) and D ) in each group. Choose the one which underlined part has a different pronunciation from the other three   (A) rather   (B) worth   (C) thus   (D) whether 正确答案:B 解答参考: 110. If you ________ smoking and drinking, your health will

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