题目内容

反蛙泳配合动作，两臂前移的同时()

A. 边收边分慢收脚
B. 先收后分慢收脚
C. 边收边分快收脚
D. 先收后分快收脚

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There were a number of people out this afternoon______than last Sunday.

A. far more
B. much
C. a lot of
D. much more

【C11】

A. unnecessary
B. unhealthy
C. unreasonable
D. uncomfortable

踩水时两臂向外摸水时掌心稍()向内摸水时掌心稍向内。

A. 向后
B. 向前
C. 向内
D. 向外

【C4】

A. affect
B. effect
C. result
D. produce