There’s lots of fruit _________ the tree.Our little cat is also in the tree.
A. in
B. at
C. under
D. On
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You’d better_________ in bed. It’s bad for your eyes.
A. not to read
B. not read
C. don’t read
D. read
It's very interesting to study names of different countries. Chinese names are different 1 foreign names. Once an English lady came to visit me. When I was introduced to her she said, “Glad to meet you, Miss Ping.” Then she gave me her name card with three words on it : “ Betty J. Black”. So I said, “Thank you, Miss Betty.” We looked at each other and laughed heartily. Later I found that the English people 2 their family names last and the given names first, while their middles are not used very much. I explained to her that the Chinese family name comes first, the given name last, so she 3 never call me Miss Ping. She asked if we Chinese had a middle name. I told her we didn’t. But people may often find three words on a Chinese name card. In this case the family name still comes first, and the other words after it 4 a two-word given name. It is quite usual in China. My sister is Li Xiaofang. She has two words in her given name instead 5 just one like mine.
转动惯量I对应平动中的物体质量m
A. 对
B. 错
扭摆上摆放的刚体转动惯量越大,摆动周期越________