题目内容

事故预警的目标是()。

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Mr.Yang,_______for his fatmous invention,was invited to give a lecture in the technical university. A.was known B.knowing C.was knowing D.known

This is an ideal site for a university__________ it is far from the downtown area. A.now

The best title of thepassage might be__________. A.The Development ofAmerican“Work Ethic”

根据下图回答下列问题。
请仔细观察下图,左侧Y轴表示各专业招聘人数与求职人数的总数,右侧Y轴表示各专业职位供需比。
若认为职位供需比介于1-2之间的专业,其供需结构较为稳定,则图中满足这一条件的专业个数为:()

A. 1
B. 2
C. 3
D. 4

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