题目内容

I ______ many people swimming in the pool.

A. look
B. see
C. look at
D. look after

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______ are talking about the event .

A. they
B. They
C. Their
D. Them

The refrigerator is on the right of the kitchen.(写出同义句） The kitchen _ on the __ of the refrigerator.

A. is, left
B. are,left
C. is, right
D. are, right

物理防护包装工艺，包括、和等内容。

缓冲包装材料的作用是缩短外部激励作用时间，降低包装产品的动态响应。

A. 对
B. 错