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鹅是由鸿雁经驯化而来。
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正确
B.
错误
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举一反三
【单选题】The physicist has made a discovery, _____ of great importance to the progress of science and technology. (TE44-1997-45)
A.
I think which is
B.
that I think is
C.
which I think is
D.
which I think it is
【简答题】Watch the video clip and answer the following questions. (部门首字母大写) 1. Which department has Alice reported to? The ____________ Department. 2. What did the CEO do before he joined the company? He was a...
【单选题】最小极限尺寸减其基本尺寸所得的代数差称为( )。
A.
公差
B.
偏差
C.
上偏差
D.
下偏差
【单选题】最小极限尺寸减其基本尺寸所得的代数差称为( )
A.
上偏差
B.
实际偏差
C.
基本偏差
D.
下偏差
【单选题】最小极限尺寸减其基本尺寸所得的代数差称为( ) 。
A.
上偏差,
B.
下偏差,
C.
实际偏差,
【单选题】The rapid, pervasive, and truly unprecedented transformation resulting from science and technology is a central fact of our lives. It calls for the strengthening of institutional capability for object...
A.
Speak.
B.
Write.
C.
Explanation.
D.
Talk.
【单选题】最小极限尺寸减其基本尺寸所得的代数差称为 。
A.
上偏差
B.
下偏差
C.
实际偏差
D.
基本偏差
【单选题】I.单项选择, (15分) ( )1. Nowadays science fiction isn’t as ___________ as cartoons among teenagers.
A.
popular
B.
more popular
C.
less popular
D.
the most popular
【单选题】—What’s that noise? —Oh, I forgot to tell you. The neighbors _______ for a party.
A.
prepare
B.
are preparing
C.
will prepare
D.
have prepared
【单选题】The news can be classified to______.
A.
science fiction
B.
critical review
C.
science report
D.
textbook
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