题目内容

羽毛球反手发网前球时,击球点可以高于身体的腰部。

A. 对
B. 错

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Before wepresent our products, we should keep three things in mind: objective, target outline and __________.

After we make sure the three thins, we can prepare a poudcut presentation following the five outlined points: introduction, ________product description, examples and closing argument.

In the introduction,don't forget to greet the _______ and introduce yourself.

Telling them that you _____ their questions anytime during your presestation.

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