第一章 单元测试
1、冠词在翻译的时候都不用译出。
A 对
B 错
答案 错
2、In this case, the failure point（失效点） corresponds to a factor of safety of 1.划线部分做什么成分？
A 主语
B 定语
C 谓语
D 状语
答案 状语
3、Einstein put up the principle of relativity, valid not only in mechanics but in all physics.划线部分是形容词短语做后置定语
A 对
B 错
答案 对
4、百万分之二十的英文表达是
A 20 part per million
B 20 part per millions
C 20 parts per million
D 20 parts per millions
答案 20 parts per million
5、并列连接词and的用法有几种？
A 1
B 2
C 3
D 4
答案 3
6、这台电压表/伏特计如此灵敏，可以测量出电压的微小变化。This is such sensitive voltmeter that it can measure the slightest changes in voltage.
A the
B a
C an
D /
答案 a
7、读者学会这些基本概念很重要，否则后面内容的讨论理解起来会有困难。It is important for the reader to learn the basic concepts well, the discussion of later topics will be difficult to understand.
A and
B or
C but
D for
答案 or
8、These transistor circuits can amplify voltage signals with minimum waveform distortion. 下划线介词短语充当___。
A 状语
B 定语
C 补语
D 表语
答案 状语
9、Both m and n are therefore even, to our choice of m and n.
A contrary
B contrarily
C contradiction
D contradict
答案 contrary
第二章 单元测试
1、The process of measurement, the most fundamental operation in physics, will be discussed briefly in this chapter.该句中的同位语是
A this chapter
B measurement
C the most fundamental operation in physics
D will be discussed briefly
答案 the most fundamental operation in physics
2、Vitamin B9 — also known as folate（叶酸）— can be found in many fruits, vegetables and beans.该句中的插入语是
A Vitamin B9
B also known as folate
C can be found in many fruits, vegetables and beans
答案 also known as folate
3、make use of是什么意思？
A 使用
B 让…使用
C 使…用
答案 使用
4、The oxygen equipment made it possible for climbers to rest very high altitudes.
A in
B on
C at
D as
答案 at
5、A对B的影响是
A effect of A to B
B effect of A in B
C effect of A with B
D effect of A on B
答案 effect of A on B
第三章 单元测试
1、科技英语摘要中使用频率最高的时态是
A 一般将来时
B 一般现在时
C 一般过去时
D 现在完成时
答案 一般现在时
2、Computers are powerful tools which perform fast, accurate calculations over huge sets of data.该句表达了一个客观情况因此使用了
A 一般过去时
B 现在完成时
C 现在进行时
D 一般现在时
答案 一般现在时
3、It is shown that a concentration on the preservation of routing abilities might damage the preservation of community structure, and vice versa.该句这样排列的主要原因是保持句子平衡
A 对
B 错
答案 对
4、The grain output of last year in our province was 20％over that of 1990.可翻译为：我们省去年的粮食产量比1990年增加20％。
A 对
B 错
答案 ×
5、The earth is 49 times the size of the moon.可以翻译为：地球是月球大小的 50倍。
A 对
B 错
答案 错
6、Convection(对流) is a __ simpler physical process than conduction.
A more
B many
C farther
D far
答案 far
7、We show that a discriminatively trained, multi-layer capsule system achieves state-of-the-art performance on MNIST and is ____ than a convolutional net at recognizing highly overlapping digits.
A considerably better
B more better
C well
D much well
答案 considerably better
第四章 单元测试
1、This company was the first portable radios as well as cassette tape recorders in the world.
A producing
B to produce
C having produced
D produced
答案 A
2、The purpose of new technology is to make life easier,it more difficult.
A not making
B not make
C not to make
D nor to make
答案 not to make
3、I fell down and broke three of my teeth. I wonder how many times I have to come here and get my false teeth
A fix
B fixing
C fixed
D to fix
答案 fixed
4、 the house on fire, he dialed 119.
A To see
B Seeing
C Having seen
D Being seen
答案 Seeing
5、Mark often attempts to escape whenever he breaks traffic regulations.
A having been fined
B to have been fined
C to be fined
D being fined
答案 being fined
6、It is our purpose in this section to introduce the basic meaning of the solution of a differential equation. 下划线部分在句中做 。
A 主语
B 宾语
C 状语
D 定语
答案 这种现象非常少以至于在现实生活中经常被忽视。
7、与电压源相连的灯形成一个简单的电路。A lampto a voltage source forms a simple circuit.
A connect
B connected
C to connect
D connecting
答案 connected
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