问题 单项选择题

THDS-A探测系统工控机内电路板的大修检标准是()

A.直接更换

B.器件外观正常

C.无扭曲变形,无烧焦斑痕,接插脚无损坏、无腐蚀、无剥离

D.铜箔无损坏,插板外观无损伤、氧化,接插件接触良好

答案

参考答案:A

阅读理解

阅读理解。

     A good way to pass an exam is to work hard every day in the year. You may fail in an exam if you are

lazy for most of the year and then work hard only a few days before the exam.

     Do not remember only grammar when you are learning English. Try to read stories in English and speak

in English as often as you can. A few days before the exam you should go to bed early. Do not study late

at night. Before you start the exam, read carefully over the exam paper. Try to understand the exact

meaning of each question before you pick up your pen to write. When you have finished your exam, read

your answers again. Correct (改正) the mistakes if there are any and make sure you have not missed

anything out.

1. If you want to do well in an exam, you must _____. [ ]

A. work hard every day in the year

B. study hard a few days before the exam

C. get up early a few days before the exam

D. keep doing your homework day and night

2. It is _____ to go to bed late at night before the exam. [ ]

A. useful

B. important

C. not helpful

D. difficult

3. Try your best to get the meaning of each question _____.[ ]

A. after you write down your answers

B. before you write down your answers

C. as soon as you write down your answers

D. while you are writing down your answers

4. In the last sentence "miss …out" means _____. [ ]

A. think it hard

B. be important

C. be wrong

D. forget to answer

5. If you want to learn English well, you must _____. [ ]

A. try to read as many English stories as you can

B. learn grammar well

C. try to speak in English as much as possible

D. A, B and C

多项选择题