问题
单项选择题
乒乓球中的反手加转弧圈球：重心放在两脚间，以肘关节为力点带动前臂发力，转腕动作要充分，在下降期加力摩擦球的（）。
A、中部
B、中上部
C、中部或中下部
D、中部或中上部
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
乒乓球中的反手加转弧圈球：重心放在两脚间，以肘关节为力点带动前臂发力，转腕动作要充分，在下降期加力摩擦球的（）。
A、中部
B、中上部
C、中部或中下部
D、中部或中上部
参考答案：D
用所给词的正确形式填空（15分）
I have never _小题4:_____ that I will be a teacher one day. I am a shy girl and I am afraid of __小题5:______ before many people. I do not know ____小题6:___ to say. But I will be a teacher tomorrow morning! I made this _小题7:_______ just two weeks ago. Miss Williams, my English teacher, told me there was a teacher job, just for two weeks in this summer. She asked if I ___小题8:____ be interested. I wanted to make some money, so I __小题9:____ “yes” to her. At once I regretted but it was too late to ___小题10:___ my word back. There are about twenty foreign boys and girls in the class. They know very little English. I have ___小题11:_____ read the book that Williams gave me. Four of the lessons are very simple, in ___小题12:____ too simple. I do not know what to do _小题13:_____ these __小题14:____ simple words and sentences. I will read the lesson to them , and ask them to read after me, and then ask them to read it _小题15:_____. That will be about ten minutes, what shall I do next ? |