It is showed in a(n)（____）that people often read what other people post on social media.

单选题

It is showed in a(n)（____）that people often read what other people post on social media.

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单选题

When an A/C is no longer in distress or urgency, it should _______.

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多选题

-It is said that John’s paper got an A.-He deserves it. He ________a lot before he handed it in.

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单选题

In an effort to( )culture shocks，I think it is necessary to know something about the nature of culture.

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单选题

When there is an emergency situation, it is usually a failure that requires an immediate and quick response, such as an entire engine failure, fire or smoke, or perhaps a rapid drop in cabin pressure.

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