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

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)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)=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=ln(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：13. 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=y0,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(B)2xsinx2(C) 2xcosx4(D) sin2x正确答案：C解答参考：22. 设a0,b0，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(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. =（）(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(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-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)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)(-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：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. 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:,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(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：56. 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 lawyers 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) 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)are 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：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 as 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(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 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(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 underlined 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), 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(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 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)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 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(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)gets to(B)equals to(C)arrives at(D)comes at正确答案：D解答参考：84. I dont 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 _ scold her.(A)may(B)can(C)ought to(D)need正确答案：C解答参考：86. Its 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 each 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)will 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)with(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 seriously ill, I wouldnt 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_, 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)turn(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 which 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：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 lot of trouble.(A)director(B)guide(C)helper(D)assistant正确答案：B解答参考：101. Id 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 doesnt feel like _ a picnic in the park this 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. Youd 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), 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. Dont worry! Just do it _ I do it.(A)like(B)since(C)for(D)as正确答案：D解答参考：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. Choose 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：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