搜题
王老师:19139051760(拨打)
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第1题

Learning some (psychology) knowledge can help us know people clearly.
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第2题

We should use the language (purpose).
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第3题

Please (cover) the pot. The food is too hot.
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第4题

The engineer put forward a______(suggest) at the meeting to improve the public traffic system.
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   负责人：王老师 19139051760(拨打)

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