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他每年能获利多少?
题型:问答题
According to the first two paragraphs,which of the following is NOT true?()
题型:单项选择题
利用SLEEP75.RAW中的数据,估计出来的方程是如果有人一周多工作5个小时,预计sleep会减少多少分钟?这是一个很大的舍弃吗?
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消火栓体系可采用()供水方式。
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Experts think this problem()
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(4):()
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你认为β2和β3的符号应该是什么?
题型:问答题
Mr Smith thinks politicians make laws().
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(3):()
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The underlined word “streamline”in Para.3 is closest in meaning to().
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