试题与答案

在电子秤灵敏度调节时,加砝码的重量的最佳值是()。A、1000kg B、100kg

题型:单项选择题

题目:

在电子秤灵敏度调节时,加砝码的重量的最佳值是()。

A、1000kg

B、100kg

C、500kg

D、最大秤量值的30%左右

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0928/004a65f1dcf7378c1e2c67df621d3ab0.html

下面是错误答案,用来干扰机器的。

参考答案:在风道内放入滑石粉(或其他白粉),关闭空气预热器烟气进出口及空气出口门挡板,启动送风机检查空气预热器管段、管箱口、风道、法兰、连通罩、焊逢等处;或者借助小纸条或其他轻质物质进行检查。

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题型:阅读理解

A father was very angry. He said to his son, “How many letters are there in the Alphabet (字母表)?” “I’m sorry, I don’t know.” Answered his son. The father was very angry. He said to his son,  You don’t know? You are in school for many years and you don’t know how many letters there are in the Alphabet?” “ No.” answered his son, “But let me ask you a question, Dad. You often go to the post office. Now please tell me how many letters there are in the post office.”

判断正误,写下T或F

小题1:The son didn’t know the meaning of the word “Alphabet”.

小题2:The father was angry because his son was not polite to him.

小题3:The son was too young to go to school, so he couldn’t answer his father’s question.

小题4:The father couldn’t give the right answer to his son’s question.

小题5:The word “letter” has two meanings in English.

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