问题 问答题 简答题

在检测过程中,当发生指针左右摆动,不稳定时,主要是什么原因?如何处理?

答案

参考答案:

主要附近有强电磁场干扰,如电焊机电焊的影响,附近有变压器的影响等均会使指针摆动,无法读数。处臵办法:如电焊机影响,应在电焊机停止电焊时检测;变压器的影响则无法消除,只有重新选择地段打探捧。

阅读理解

After a hard campaign, Barack Obama won the US president election on November 4. He will become the 44th President of the United States---the first African-American in the country’s history.

On the election eve, Obama’s grandmother died---only a few days before seeing her grandson’s victory. Tears ran down the face of Obama as he spoke about his grandmother. “She taught me about hard work.She was the one who put off buying a new car or a new dress for herself so that I could have a better life. She poured everything she had into me.”

In his first speech as the president, Obama declared to tens of thousands of cheering supporters, “…The road ahead will be long. Our climb will be steep. We may not get there in one year, or even one term, but America---I have never been more hopeful than I am tonight that we will get there. I promise you: We as a people will get there…” The crowd broke out into the same chant(咏唱,吟诵), “Yes, we can!”Those three short words have become the defining phrase of Obama’s campaign.

Forty-five years ago, Martin Luther King had a dream of an America where men and women would be judged not by the colour of their skin but by the content of their character. Today the dream has come true.

小题1:When will Obama begin to work as a president?

A.On November 4

B.Before November 4

C.After November 4

D.On the day he won the election.小题2:What happened to Obama before the election eve?

A.His grandmother passed away.

B.His grandmother was killed.

C.His grandmother gave him a lesson.

D.His grandmother was kidnapped.小题3:What does the underlined word “campaign” mean in Chinese?

A.公关

B.竞选活动

C.辩论

D.比赛小题4:Which of the following is NOT true?

A.Obama makes Martin Luther King’s dream come true.

B.Americans believe Obama will change everything of America.

C.Obama’s grandmother had a great effect on him.

D.Many people support Obama to become the president of America.

多项选择题