2012年考研英语二真题及答案解析完整版

2011年管理类联考综合能力初数部分真题

一、问题求解：第1~15小题，每小题3分，共45分。下列每题给出的A 、B 、C 、D 、E 五个选项中，只有一项是符合要求的。请在答题卡上将所选项的字母涂黑。

1.已知船在静水中的速度为28km/h ，河水的流速为2km/h ，则此船在相距78km 的两地间往返一次所需时间是（A ）5.9h （B ）5.6h （C ）5.4h （D ）4.4h （E ）4h

)E (54)

D (3

4)C (3

5)B (4)A (abc ,0)4c 5(5b 33a c ,b ,a .22---==-+++-则满足若实数

3.某年级60名学生中，有30人参加合唱团、45人参加运动队，其中参加合唱团而未参加运动队的有8人，则参加运动队而未参加合唱团的有

（A ）15人（B ）22人（C ）23人（D ）30人（E ）37人

R 9

E (R 31)D (R 34)C (R 938)

B (R 38)A (R .4方体的体积是工的最大正加工成正方体，则能加的球体，拟用刨床将其现有一个半径为

5.2007年，某市的全年研究与试验发展（R&D ）经费支出300亿元，比2006年增长20%，该市的GDP 为10000亿元，比2006年增长10%。2006年，该市的R&D 经费支出占当年GDP 的（A ）1.75% （B ）2% （C ）2.5% （D ）2.75% （E ）3%

1E 51D 41C 31B 21A 133145.6）

（）

（）（）

（）（名学生的概率为

个专业各有则该小组中人小组，机派出一个名财会专业的学生中随名经济专业和名管理专业，现从

名）（名

）（名）（名）（名）（年九月底的在校学生有名，则该校多招名，之后每年比上一年年招生生九月份入学。该校毕业生七月份离校，新一所四年制大学每年的3200E 6200D 9000C 11600B 14000A 200720020002001.7

17E 9

5D 94C 278B 91A 112.8）

（）

（球的概率为

个红乙盒中至少有乙、丙三个盒子中，则个白球随机地放入甲、个红球与将

2E 1

D 41C 2B 21A DOA COD BOC AOB 1ABCD 1.9π

-ππ

π）（）（）（）

（）

（则阴影部分的面积为

均为半圆，，，，的正方形，弧是边长为，四边形如图

种

）（种

种！）（种）种）（在一起的不同坐法有人都坐张连座票，则每一家的他们购买了同一排的口之家一起观看演出，个!9E )!3)(D ()3(3C )!3(B ()!3(A 933.104332

的坐标为则点的切线平行于直线上的一点，该圆在点是圆设P ,02y x P 2y x P .1122=++=+ )

1,1)(E ()

0,2)(D (2,0)(C ()1,1)(B ()1,1)(A (--

++=-+-+-c b a 8a c c b b a 12c ,b ,a .12，则数），且的三个不同的质数（素是小于设

(A)10 (B)12 (C)14

(D)15 (E)19

13.在年底的献爱心活动中，某单位共有100人参加捐款，经统计，捐款总额是19000元，个人捐款数额有100元、500元和2000元三种，该单位捐款500元的人数为 (A)13 (B)18 (C)25 (D)30 (E)28

14.某施工队承担了开凿一条长为2400m 隧道的工程，在掘进了400m 后，由于改进了施工工艺，每天比原计划多掘进2m ，最后提前50天完成了施工任务，原计划施工工期是 (A)200天 (B)240天 (C)250天 (D)300天 (E)350天

141)E (131)

D (61)

C (51)

B (21)

A (y

x y x y x ,4xy ,9y x .153

22=

++++==+则已知

二、条件充分性判断：第16-25小题，每小题3分，共30分。要求判断每题给出的条件（1）和条件（2）能否充分支持题干所陈述的结论，A 、B 、C 、D 、E 五个选项为判断结果，请选择一项符合试题要求的判断，在答题卡上将所选项的字母涂黑。

（A ）条件（1）充分，但条件（2）不充分。（B ）条件（2）充分，但条件（1）不充分。

（C ）条件（1）和（2）单独都不充分，但条件（1）和条件（2）联合起来充分。（D ）条件（1）充分，条件（2）也充分。

（E ）条件（1）和（2）单独都不充分，条件（1）和（2）联合起来也不充分。

16．实数a,b,c 成等差数列。

.e ,e ,e 1c b a 成等比数列）（

(2) ln a , ln b , ln c 成等差

17.在一次英语考试中，某班的及格率为80%. （1）男生及格率为70%，女生及格率为90%. （2）男生的平均分与女生的平均分相等.

18. 如图2，等腰梯形的上底与腰均为x ，

下底为x +10. 则x =13.

（1）该梯形的上底与下底之比为13：23. （2）该梯形的面积为216.

1.24.23.19的某位男生）第二位面试的是指定（）第一位面试的是女生（种则面试的排序法有名女生参加面试名男生和现有

20.已知三角形ABC 的三条边分别为a,b,c . 则三角形ABC 是等腰直角三角形 (1) (a-b )(2

b a

c --)=0

(2) c =

21.直线ax+by+3=0被圆22)1()2(-+-y x =4截得的线段的长度为23 (1) a=0, b=-1 (2) a=-1,b=0

22.已知实数a,b,c,d 满足.1,12222=+=+d c b a 则bd ac +<1

(1) 直线ax+by =1与cx+dy =1仅有一个交点 (2) a ≠c,b ≠d

23.某年级共有8个班友，在一次年级考试中，共有21名学生不及格，每班不及格的学生最多有3名，则（一）班至少有1名学生不及格 (1)（二）班的不及格人数多于（三）班 (2)（四）班不及格的学生有2名

24.现有一批文字材料需要打印，两台新型打印机单独完成此任务分别需要4小时与5小时，两台旧型打印机单独完成此任务分别需要9小时与11小时，则能在2.5小时内完成任务 (1) 安排两台新型打印机同时打印 (2) 安排一台新型打印机与两台旧型打印机同时打印

25.已知{a n }为等差数列，则该数列的公差为零

(1) 对任何正整数n ，都有a 1+a 2+…+a n ≤n (2) a 1≥a 2

2011年MBA MPA MEM MPACC 管理类联考综合参考答案

一、数学部分

1—5 BACBD 6—10 EBDED 11—15 EDADC

16—20 AEDBC 21—25 BEDDC

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考研英语二真题及答案解析完整版集团标准化办公室：[VV986T-J682P28-JP266L8-68PNN]

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