第3代电子计算机使用的电子元件是 ( )。A.晶体管 B.电子管 C.中、小规模

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问题:

第3代电子计算机使用的电子元件是 ( )。

A.晶体管

B.电子管

C.中、小规模集成电路

D.大规模和超大规模集成电路

考点:计算机等级考试B笔试计算机等级考试一级(B)44
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在短文的空格内填入适当的词,使其内容通顺,每空格限填一词,首字母已给。

     Anyone who has a dog as a pet will tell you why the dog is called 'man's best friend'.   "They are loyal,

funny and loving. They seldom complain and always o   1   their owners," said Mary Smith of Washington D.C.  Doctors  will also tell you that people who  have dogs seem to be  happier  and healthier  than those

who live a 2       . One reason for this is that people with dogs lead more active lives. Who can say no to a

lovely dog when he pulls on your arm and asks yon to take him for a walk?

     Dogs are really amazing animals. They not only offer emotional (情感的) support but also p  3   great

help for humans. Think about guide dogs for blind people, or dogs that help people in wheelchairs.

     However, it is the emotional side of owning a dog that has been  studied in  detail by Dr Julie  Davis of

Chicago University. "B   4      every dog lover there is a story," says Dr. Davis. "Why do people love their

dogs so much? if you hear their stories, it's not difficult to understand why. "

     Dr. Davis has studied the r      5       between dogs and people for the last ten years. "I have spoken to people in parks,  pet stores,  and  veterinary (兽医的) offices,  as well as stopping people in the street.  I

have interviewed office workers and farmers, policemen and construction workers," says Dr Davis. "E   6   wants to talk about their  dogs. Many  people said they  cried much more when their dogs died than when

their parents did. They said the sadness was much d  7   . People are finding animals are more reliable than human beings. People tell me all the time that they get more emotional support from their dogs than they do from their husbands or wives."

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聚礼(主麻拜)和两会礼拜(尔德节的礼拜)哪个重要?

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警冲标是信号标志。

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日本军队在南京大屠杀中杀害多少万以上的中国人()。

A.50万

B.40万

C.20万

D.30万

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人的心理需要多方面的锤炼,主要是学会()。

A.积极地调整

B.正确地认识

C.恰当地控制

D.稳定的发展

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