羽毛球反手发网前小球左手拇、中、食指握住球的()。
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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
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.