1998年英语一考研真题

10.对工业革命的正确评价(1998年)难度：0.47

Until recently most historians spoke very critically of the Industrial Revolution. They1that in the long run industrialization greatly raised the standard of living for the2man. But they insisted that its3results during the period from 1750 to 1850 were widespread poverty and misery for the4of the English population. 5contrast, they saw in the preceding hundred years from 1650 to 1750, when England was still a6agricultural country, a period of great abundance and prosperity.

This view,7, is gener

10.对工业革命的正确评价(1998年)难度：0.47

Until recently most historians spoke very critically of the Industrial Revolution. They1that in the long run industrialization greatly raised the standard of living for the2man. But they insisted that its3results during the period from 1750 to 1850 were widespread poverty and misery for the4of the English population. 5contrast, they saw in the preceding hundred years from 1650 to 1750, when England was still a6agricultural country, a period of great abundance and prosperity.

This view,7, is gener

考研英语真题答案及精析

1998年考研英语真题答案快速扫描 1.B 2.D 3.B 4.C 5.A 6.D 7.C 8.D 9.A 10.A

(11~20略:新大纲不再考查的部分)

21.C 22.B 23.D 24.D 25.D 26.A 27.C 28.B 29.C 30.B

31.A 32.A 33.D 34.A 35.B 36.C 37.A 38.C 39.B 40.D

41.A 42.B 43.D 44.A 45.D 46.D 47.A 48.B 49.C 50.D

51.C 52.D 53.D 54.C 55.A 56.B 57.B 58.A 59.C 60.D

61.A 62.A 63.B 64.C 65.D 66.C 67.B 68.B 69.D 70.C

1998年考研英语真题答案系统精析

Part Ⅰ Structure

2010年全国硕士研究生入学统一考试

数学(一)试卷

一、选择题(1-8小题,每小题4分,共32分,下列每小题给出的四个选项中,只有一项符合题目要求,把所选项前的字母填在题后的括号内.)

??x(1)极限lim??= x??(x?a)(x?b)??2x(A)1 (C)ea?b

yx,

zx

(B)e (D)eb?a

(2)设函数z?z(x,y)由方程F(?z?x?z?y)?0确定,其中F为可微函数,且F2??0,则

x?y=

10m(A)x (C)?x

2 (B)z (D)?z

dx的收敛性

(3)设m,n为正整数,则反常积分?(A)仅与m取值有关 (C)与m,n取值都有关

nnln(1?x)nx =

(B)仅与n取值有关 (D)与m,n取值都无关

(4)limx????i?1j?1n(n?i)(n?j)22(A)

1x??0dx?1(1?x)(1?y)1(1?x)(1?y)20dy (B)

1x??0dx?1(1?x)(1?y)10dy

(C)

101dx?0dy (D)

101dx?0(1?x)(1?y)2dy

(5)设A为m?n型矩阵,B为n?m型矩阵,若AB?E

1998 年全国硕士研究生入学统一考试数学一试题

一、填空题(本题共5小题,每小题3分,满分15分.) (1) limx?01?x?1?x?2? . x21?2z(2) 设z?f(xy)?y?(x?y),f,?具有二阶连续导数,则? .

x?x?yx2y222(2xy?3x?4y)ds? . ??1,其周长记为a,则?(3) 设L为椭圆?L43(4) 设A为n阶矩阵,A?0,A为A的伴随矩阵,E为n阶单位矩阵.若A有特征值?,

则(A*)2?E必有特征值 . (5) 设平面区域D由曲线y?*

12及直线y?0,x?1,x?e所围成,二维随机变量(X,Y)在x区域D上服从均匀分布,则(X,Y)关于X的边缘概率密度在x?2处的值为 _ .

二、选择题(本题共5小题,每小题3分,共15分.) (1) 设f(x)连续,则

2dx22tf(x?t)dt? ( ) ?0dx222(A) xf(x) (B) ?xf(x) (C) 2xf(x)

1998 年全国硕士研究生入学统一考试数学一试题

一、填空题(本题共5小题,每小题3分,满分15分.) (1) limx?01?x?1?x?2? . x21?2z(2) 设z?f(xy)?y?(x?y),f,?具有二阶连续导数,则? .

x?x?yx2y222(2xy?3x?4y)ds? . ??1,其周长记为a,则?(3) 设L为椭圆?L43(4) 设A为n阶矩阵,A?0,A为A的伴随矩阵,E为n阶单位矩阵.若A有特征值?,

则(A*)2?E必有特征值 . (5) 设平面区域D由曲线y?*

12及直线y?0,x?1,x?e所围成,二维随机变量(X,Y)在x区域D上服从均匀分布,则(X,Y)关于X的边缘概率密度在x?2处的值为 _ .

二、选择题(本题共5小题,每小题3分,共15分.) (1) 设f(x)连续,则

2dx22tf(x?t)dt? ( ) ?0dx222(A) xf(x) (B) ?xf(x) (C) 2xf(x)

Born to win

1998 年全国硕士研究生入学统一考试数学二试题

一、填空题(本题共5小题,每小题3分,满分15分,把答案填在题中横线上.) (1) limx?01?x?1?x?2? . 2x(2) 曲线y??x3?x2?2x与x轴所围成的图形的面积A? . lnsinx?sin2xdx? .

dxtf(x2?t2)dt? . (4) 设f(x)连续,则?dx01(5) 曲线y?xln(e?)(x?0)的渐近线方程为 . x(3)

二、选择题(本题共5小题,每小题3分,共15分.在每小题给出的四个选项中,只有一项符合题目要求,把所选项前的字母填在题后的括号内.)

(1) 设数列xn与yn满足limxnyn?0,则下列断言正确的是 ( )

n??(A) 若xn发散,则yn发散 (B) 若xn无界,则yn必有界 (C) 若xn有界,则yn必为无穷小 (D)

2019年英语（一）考研真题

Section Ⅰ Use of English

Directions:

Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D on the ANSWER SHEET. (10 points)

Today we live in a world where GPS systems, digital maps, and other navigation apps are available on our smart phones. 1 of us just walk straight into the woods without a phone. But phones 2 on batteries, and batteries can die faster than we realize. 3 you get lost without a phone or a compass, and you 4 can’t find north, a few tr icks to help you nav

东华大学

2014年硕士学位研究生招生考试试题

考试科目： 833 纺织材料学

答题要求：1、答题一律做在答题纸上，做在本试卷上无效 2、考试时间180分钟

3、本试卷不得带出考场，违者做零分处理

一、名词对解释（每小题5分，共50分）

1、纺织材料的结构与性能；2、纤维的尺度与性能；3、复合纺纱与结构纺纱；4、介电损耗与静电现象；5、纱条的内不匀与外不匀；6、差微摩擦效应与粘滑现象；7、吸湿滞后性与浸润滞后性；8、须从曲线与长度累积曲线；9、非织造布的加固结构与针织物的线圈结构；10、机织物的零结构相与组织； 二、问答与计算题（100分）

1、纱线结构形成中最重要因素是捻度，试讨论其可以改变结构的参数及定义，并就捻系数α对成纱强度p的影响机制作图讨论和给出滑脱长度L0影响上述机制和理由。

2、试给出下述纤维材料中最接近的对子及理由，并讨论所配对子间的鉴别依据与方法。（1）锦纶；（2）竹粘胶/粘胶混纺纱；3）羊绒/羊毛精纺织物；4）涤纶；5）粘胶与Model复合纱（F/S纱）；6）聚乳酸（PLA）纤维；7）羊毛/羊绒粗纺织物；8）氨纶。

3、试对防火织物和阻燃织物在织物的可靠性与安全性及舒适性与手感

2021年考研真题2021年考研英语真题和答

案

2021年考研英语真题和答案

Section I Use of English Directions: Read the following text.Choose

the best word(s) for each numbered blank and mark A, B, C or D on ANSWER SHEET

1.(10

points)Research on animal intelligence always makes me wonder just how smart humans are.

1the fruit-fly experiments described in Carl Zimmer’s piece in the Science Times on Tuesday.Fruit flies who were taught to be smarter than the average fruit fly

2 to live shorter lives.This

suggests that 3 bulbs burn longer, that there is an 4 in not being