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【简答题】
刚体在三个力作用下处于平衡状态,其中两个力的作用线汇交于一点,则第三个力的作用线一定通过 。
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反馈参考答案：
举一反三
【简答题】完形填空。 Recently, I stopped by a convenience store to get a newspaper and a bottle of drink. The young woman at the check-out 1 said. 'That'll be five dollars in all please.' She then 2 down at the pape...
【简答题】Please r ewrite the following sentences to remove any uncessary word. 1)When I was assigned a certain duty to be completed by me , I completed the task to the best of my ability . 2)Fog can cause blin...
【简答题】Questions 15-17 (Suggested completion time: 6 minutes) Directions: Read the text about a science discovery. Answer the questions according to the text. Manipulating Memory Memory is notoriously mallea...
【单选题】要想弹出好听的歌，就需要天天练习，三天打鱼、两天晒网可不行! 根据这句话，可以知道这里“三天打鱼、两天晒网”说的是：
A.
打三天鱼，晒两天网
B.
不坚持练习
C.
坚持练习
【简答题】第五套和第六套试题
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