题目内容
网球正手击球时，需要注意一下哪几点？
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转肩与击球的质量关系很大。拉拍动作要尽可能的早，这样便可获得充分的回击球时间。
击球的随挥动作不仅能使击球动作显得流畅、协调和舒展，而且它本身也是击球动作的一个有机组成部分。
To get the following items, you need ____ liters of water.
◆Short-Term Memory○ how it forms: Information enters the brain through the ___1___, i.e., things we touch, smell, taste○ function: we remember it long enough to ___2___ ___3___◆Long-Term Memory○ how it forms:brain has to decide that something is ___4___you have to ___5___, focus on it and think about it—or study it○ its effect:brain forms new ___6___—new pathways of neuronsit actually changes the ___7___ of the brain[音频]
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