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【判断题】
力偶在坐标轴上有投影A.
正确
B.
错误
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【简答题】A little girl lived in a and poor house on a hill.Usually she 36 play in the small garden.She could see over the garden fence and across the valley a wonderful house with shining golden windows...
【单选题】She is in a poor ____f health, which worries her mother much.
A.
position
B.
situation
C.
state
D.
condition
【简答题】阅读短文，判断下列句子的正(T)误(F)。 A poor boy lived in a small town. He sold goods from door to door to pay for school. One day, he only had one cent left, and he was hungry. He decided that he would ask for a mea...
【简答题】I f a person receives poor service from a store, he probably will avoid shopping the re in the future.
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