问题 单项选择题

防雷接地电阻测试仪的接地钎子、锤入深度、间距、连接导线的长度应符合要求。摇测接地电阻时,每分钟转数为( )。

A.不应低于100r/min
B.不应低于120r/min
C.不应低于160r/min
D.不应低于200r/min

答案

参考答案:B

阅读理解

阅读理解。

     A The story of English language is a story of change. The old English language, or old English, is quite

different from Modern English. If we do not study old English, we can't understand it. Some of the words

are the same, but many are not used now. The story of the English language begins some time after the year

400 AD. At this time, some people came to England from North-west Europe. There were many groups of

people. They were called Angles (盎格鲁人), Saxons (撒克逊人) and Jutes (朱特人), whose language, old

English, is like some of the modern language of North-West Europe. In old English, the ending had many

meanings. They showed past time and present time and many other things. In Modern English, most of these

endings are gone. This is the biggest difference between Old and Modern English.

1. What does the first sentence of the passage mean? [ ]

A. The story of English language often changes.

B. English is a language that has changed a lot as time passes by.

C. The old English language has changed into Modern English.

D. The story of English language is one of how people change the language.

2. Old English has a story of ____. [ ]

A. 2,500 years

B. more than 1,600 years

C. 2,300 years

D. more than 400 years

3. Old English was first used by the people from ____. [ ]

A. Old English

B. English

C. North-West English

D. North-West Europe

4. Which of the following is NOT true about Old English? [ ]

A. The endings of words gave different special meanings.

B. It is easy for most English-speakers today to understand the language.

C. Its words are completely different from those Modern English.

D. It was spoken by many groups of the people from North-West Europe.

单项选择题