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更新 2022-09-03
科目英语
题型单选题
难度中等
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挑错有奖

Be careful when you surf the Internet．If you download a virus into your computer ______, you will not open your files．

A．on purpose

B．by accident

C．at random

D．on average

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Don't be discouraged．___things as they are and you will enjoy every day of your life．

A．Taking

B．To take

C．Take

D．Taken

题型：未知
难度：未知

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At the beginning of a speech, it is very important to grab the audience's attention and make them interested in ____ you have to say．

A．what

B．which

C．that

D．who

题型：未知
难度：未知

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The Sanlu Milk Powder event is a clear indication that food safety is a big problem; nobody can ___ all foods are secure to us, but we are sure that the situation is turning for the better．

A．acknowledge

B．guarantee

C．identity

D．clarify

题型：未知
难度：未知

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—I am going to travel to America．Would you consider telling me about your experiences there?
—__．Let's discuss it over dinner．

A．That's all right	B．Go ahead
C．By all means	D．It just depends

题型：未知
难度：未知

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I don't think the experiment is ___ failure, because it has provided us with ___valuable experience for our future tests.

A．不填; 不填

B．不填; a

C．a; a

D．a; 不填

题型：未知
难度：未知

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