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【单选题】
美国是当今世界上最强大的资本主义国家,它从独立到现在只有短短200多年的历史。美国独立战争爆发的根本原因是( )
A.
封建专制统治阻碍了北美资本主义经济的发展
B.
南北两种经济制度之间矛盾激化
C.
种族之间矛盾尖锐
D.
英国的殖民统治严重阻碍了北美资本主义的发展
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【简答题】Lesson49 The end of a dream _____ of sleeping on the floor, a young man in Teheran ____ up for years to buy a real bed. For the first time in his life, he became the ____ owner of a bed which had spri...
【简答题】C omplete the following sentences with what you hear on the tape. 1) That morning Carl came round a (1) and saw a dark green (2) in the middle of the road. 2) Carl stopped but didn’t get (3) his car. ...
【简答题】Three workers were building a wall. Some people came to ask ,“ What are you doing ?” The first man said ,“ Didn't you see it ? I’m building a wall. ” The second man looked up and laughed, “ We are bui...
【单选题】教授给学生鉴定签名,一般应用:
A.
李宇明教授
B.
李教授
C.
教授李宇明
D.
宇明教授
【单选题】晶体三极管能进行电流放大的外部条件是( )
A.
发射结正偏,集电结反偏
B.
发射结反偏,集电结正偏
C.
发射结正偏,集电结正偏
【简答题】A small man goes to the cinema (电影院) . He buys a ticket (票) and goes in. But after two or three minutes he comes out. He buys a second ticket and goes in again. After a few minutes he comes out again ...
【单选题】在总平面图中,新建房屋底层室内地面与室外整平地面应分别标注[ ]
A.
相对标高、相对标高
B.
相对标高、绝对标高
C.
绝对标高、绝对标高
D.
绝对标高、相对标高
【单选题】晶体三极管能进行电流放大的外部条件是( )
A.
发射结反偏,集电结反偏
B.
发射结反偏,集电结正偏
C.
发射结正偏,集电结反偏
D.
发射结正偏,集电结正偏
【简答题】A There was a man .He had four sons. He wanted his sons to learn how to judge things, so he let them go and look at a pear tree that was far away. The first son went in winter, the second in the sprin...
【单选题】晶体三极管能进行电流放大的外部条件是( )
A.
发射极反偏,集电极反偏
B.
发射极反偏,集电极正偏
C.
发射极正偏,集电极反偏
D.
发射极正偏,集电极正偏
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