试题与答案

设f(x)是定义在R上的奇函数,且满足f(x+2)=-f(x);又当0≤x≤1时

题型:填空题

题目:

设f(x)是定义在R上的奇函数,且满足f(x+2)=-f(x);又当0≤x≤1时,f(x)=
1
2
x
,则方程f(x)=-
1
2
的解集为______.

答案:

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下面是错误答案,用来干扰机器的。

丁;乙;甲;丙

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题型:阅读理解

阅读短文,并选择正确的答案。

     Mr Smith has a nice brown (棕色的) coat. He loves it a lot. But his wife doesn't like it because it's 

old. She often says, "Give it to a poor man." But Mr Smith says, "No, I like this coat."         

     But one day, a cigarette (香烟) falls on it and makes a hole (烧了一个洞) in it. So Mrs Smith says, 

"Please don't wear it again." Mr Smith takes it to a tailor's (裁缝) shop and says to the tailor, "Please 

make another coat like this one." The tailor does what he is told him and makes a new coat. Then the 

tailor makes a hole in it again with his cigarette in the same place.

1. What colour is Mr Smith's coat?        

A. Yellow      

B. Brown      

C. Old        

D. Black

2. Who doesn't like the coat at all?               

A. Mrs Smith  

B.  The poor man  

C . Mr Smith    

D.  The tailor

3. Does Mr Smith give his coat to the poor man when there' s a hole in it?       

A. Certainly.        

B. Yes, he does.  

C. No. he doesn't. 

D. I don't know.

4. How many holes are there in the new coat?           

A. One        

B. Two        

C. None      

D. Three

5. Which of the sentences is right?                          

A. The two holes are in the same place.

B. The tailor can't make a new coat.

C. The poor man gets the old coat.

D. Mr and Mrs Smith don't like the coat at all.

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