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
正确答案：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
正确答案：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
正确答案：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:/
正确答案：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
正确答案：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
正确答案：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
正确答案：contrary
第二章
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
正确答案：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
