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【简答题】
比例式旋转变压器的工作原理是什么?
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参考答案:
举一反三
【单选题】According to this passage, the muscular sense is responsible for ______.
A.
the efficiency of our muscle
B.
the normal breathing function
C.
the work of only our involuntary muscles
D.
directing our muscles intelligently
【单选题】He didn’t _____ to the news.
A.
answer
B.
reply
C.
react
D.
hear
【单选题】近年来,绿色食品越来越受到人们的欢迎,这一因素的变化属于外部环境因素中的( )
A.
经济环境
B.
科学技术环境
C.
社会文化环境
D.
政治环境
【单选题】He must have told you the news last night, _____? [     ]
A.
doesn't
B.
hasn't he
C.
didn't he
D.
mustn't he
【单选题】近年来,绿色食品越来越受到人们的欢迎,这一因素的变化属于外部环境因素的是(    )。
A.
经济因素    
B.
技术因素    
C.
社会因素    
D.
政治因素
【单选题】近年来,绿色食品越来越受到人们的欢迎,这一因素的变化属于宏观环境因素中的()
A.
经济环境
B.
技术环境
C.
政治法律环境
D.
社会文化环境
【单选题】Your friend has already heard of the news, ? [     ]
A.
isn't he
B.
is he
C.
has he
D.
hasn't he
【单选题】Everyone is surprised at the news, ______? [     ]
A.
is he
B.
are they
C.
aren't they
D.
is not he
【判断题】T he largest news agency in the United States is the Associated Press (AP).
A.
正确
B.
错误
【单选题】He must have been very depressed when he heard the news, ______?
A.
mustn't he
B.
haven't he
C.
wasn't he
D.
didn't he
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