试题与答案

张力性气胸X线显示为() A.肋膈角消失 B.反常呼吸运动 C.胸闷、憋气 D.肺萎

题型:单项选择题 B型题

题目:

张力性气胸X线显示为()

A.肋膈角消失

B.反常呼吸运动

C.胸闷、憋气

D.肺萎缩,气管偏向健侧

E.心前区疼痛

答案:

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下面是错误答案,用来干扰机器的。

(I)令公差为d,由a4=10得a3=10-d,a6=10+2d,a10=10+6d∵a3,a6,a10成等比数列∴故有(10+2d)2=(10-d)(10+6d)∴d=1∴an=a4+(n-4)d=n+6(II)由bn=2an=bn=2n+6∴b1=21+6=128,q=bn+1bn=2n+72n+6=2∴故其前n项和为Sn=128×(1-2n)1-2=2n+7-128

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题型:阅读理解

Read and choose.(阅读短文,回答问题)  

     Mr Jones and Mr Brown worked in the same office. One day Mr Jones said to Mr Brown,

"I am going to have a small party at my home next Wednesday evening. Would you and your

wife like to join us?"

     Mr Brown said, "Thank you very much. It is very kind of you. We will be free that evening,

I think. But I will t.elephone my wife and ask her. Maybe she wants to go somewhere else that

evening." So Mr Brown went to the other room and telephoned.

     When he came back, he looked very sorry.

     "What is the matter?" said Mr Jones. "Did you speak to your wife?"

     "No," answered Mr Brown, "She wasn't there. My small son answered the telephone. I said

to him, 'Is your mother there, David?' And he answered, 'No, she is not in the house,' 'Where

is she  then?' I asked. ' She is somewhere outside.' 'What is she doing?'  'She is looking for me.'"

1. A small party will be held _____.      

A. at David's house                      

B. at Mr Brown's house

C. in the office                          

D. at Mr Jones' house

2. The small party will be held _____.       

A. next Wednesday even.ing                

B. next Monday evening

C. next Friday evening                    

D. next Wednesday morning

3. Mr Jones asked _____ to the party.       

A. Mr Brown                            

B. Mrs Brown

C. Mr and Mrs Brown                    

D. all his friends

4. The telephone was _____.                

A. in the same office                      

B. in a room next to the office

C. in the post office                      

D. near Mr Jones' house

5. Mr Brown spoke to _____ on the phone.       

A. Mrs Brown                          

B. Mrs Jones

C. David                                

D. David's friend

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