【单选题】---What's your_______fruit? ---I like grape best.
【判断题】“发球区错误”包括:发球或接发球顺序错误和在错误的发球区发球或接发球。
【判断题】If the central word is “fruit”, the second-level branch words could be “apple, banana, sweet, grape”.
【单选题】当发球员发球时,发球裁判员专看发球员发球动作,而裁判员应( )。
【简答题】发球的旋转主要包括 ( )( )( )三大类。[填空(2)][填空(3)]A. 上旋B. 下旋C. 侧旋
【简答题】归类 mango bean tomato pear banana g corn kiwi fruit onion apple cabbage watermelon carrot pepper peach fruit:_________________________________________ veg...