试题与答案

一块金属在冰箱中被冷冻后,取出放一会儿,发现表面变湿了,这是______中的水蒸

题型:填空题

题目:

一块金属在冰箱中被冷冻后,取出放一会儿,发现表面变湿了,这是______中的水蒸气遇到冰冻的金属,出现______现象,小水珠附金属表面.如果马上用干毛巾擦,______(选填“能”、“不能”)擦干,原因是______.

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B

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题型:阅读理解

阅读理解。

     John is a bookseller. He doesn't like paying for anything. One day he leaves a box of books on 

his foot. "Go to the doctor." says his wife. "No," he says, "I'll wait till the doctor comes into the shop 

next time. Then I'll ask him about my foot. If I go to see him, I'll have to pay for him."

     The next day the doctor comes into the shop and buys some books. When John is getting them 

ready, he tells the doctor about his foot. The doctor looks at it, "Yes," says the doctor, "You must

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1. John is a       .      

A. worker    

B. doctor    

C. book maker    

D. bookseller

2. The bookseller's wife tells him to       .   

A. wait for the doctor coming

B. go to the doctor

C. be careful when he does things

D. ask the doctor to come

3. The doctor comes into the shop to       .         

A. buy some books

B. look at John's foot

C. pay John some money

D. look at medicine books

4. When does the bookseller tell the doctor about his foot?

A. When the doctor comes into the shop.

B. When he is getting the books ready.

C. After he hands the books to the doctor.

D. After the doctor has books in his hand.

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题型:单项选择题

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