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【简答题】
阅读以下代码,说出最后x输出的值是( ) ... int x=5; x-=3; Console.WriteLine(x); ...
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【简答题】It is considered no use _________ against the deadly disease. A． struggling B． struggle C． to struggle D． for struggle
【单选题】This kind of machine___________ making a kind of special paper for newspaper. [ ]
A.
use for
B.
used for
C.
is used for
D.
are use to
【单选题】Which of the following statements does the author tend to agree with?
A.
The use of drugs for non-medicinal purposes is an acceptable part of a person's lifestyle.
B.
The spreading of pop music may cause the drug abuse to go beyond country,boundaries.
C.
No efforts have been made to prevent the spreading of drug abuse.
D.
The governments have no ability to act against the pro-drug messages of the youth culture.
【简答题】干扰素的生物活性包括（）、（）和（）。
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