家庭电路中的电冰箱、电视机、电灯等用电器的连接方式是 联;家庭电路中的火线和

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问题:

家庭电路中的电冰箱、电视机、电灯等用电器的连接方式是      联;家庭电路中的火线和零线可以用      来辨别.

考点:电路的组成电流的形成
题型:填空题

阅读理解

         There is a one-day holiday in most countries on New Year's Eve. There are several interesting customs in the West, and there are many differences from country to country.  

         Though Christmas is a family get-together. New Year for some is a time to be with friends too. Parties are most often held to welcome New Year. At such arties, there is food and drink and dancing until the time nears for the coming of New Year.  

         At midnight, people often say “Happy New Year ”to each other. Champagne(香槟酒)is a favorite drink for New Year. In many western countries fireworks(烟火)are let off at midnight ,and many people like to make a noise, possibly to drive away bad spirits(幽灵).  

        One important song is often sung at New year-the Scottish(苏格兰)song of Auld Lang syne (good times long ago.)

1. People usually have great celebrations for New Year on         .   

A. New Year's Day                    

B. the night before New Year's Eve  

C. the night of New Year's Day      

D. the night before New Year's Day

2. In the West, New Year is also a time when.         .   

A. friends get together              

B. friends write to each other  

C. people can have a week's holiday  

D. people came from country to country

3. The word “customs ”in the passage means          .   

A. 习俗                    

B.  聚会            

C. 饮食                  

D. 活动

4.At midnight on New Year's Eve western people often          .  

① hold parties to welcome New Year        

② make a noise to drive away bad spirits  

③ drink with friends or families          

④ say “Happy New Year ”to each other  

⑤ sing an important French song          

⑥ let off fireworks  

A. ①②③④             B. ③④⑤⑥           C. ②③④⑥         D. ①②⑤⑥        

5. This passage mainly talks about

A. western people drink together on New Year's Eve  

B. what western people do on New Year's Day  

C. how western people spend their New Year's Eve

D. western people have a good time on New Year's Day

题型:填空题

胞生痰核中医学又称()。

A.偷针

B.土疳

C.土疡

D.疣病

E.火疡

题型:填空题

正常人血清中含量最低的免疫球蛋白是()

A.IgM

B.IgA

C.IgD

D.IgE

E.IgG

题型:填空题

清政府在1911年1月25日公布的______是中国历史上第一部近代意义上的专门刑法典。

A.《大清律例》

B.《大清现行刑律》

C.《大清新刑律》

D.《暂行新刑律》

题型:填空题

风冷功率整流装置风机的电源应为双电源,工作电源故障时,备用电源应能自动投入。如采用双风机,则两组风机接在不同的电源上,当一组风机停运时应能保证励磁系统正常运行。

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