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【多选题】
形成产业集群的动因,除了有政府政策鼓励的因素之外,还有( )。A.
自然禀赋
B.
规模经济
C.
外部经济
D.
专业化分工
E.
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反馈参考答案：
举一反三
【单选题】下面关于电位的描述错误的是（ ）
A.
电场强度由低电位面指向高电位面
B.
零电位参考点可以任意选择
C.
两点之间的电位差与零电位参考点的选择无关
D.
电场强度的方向与等电位面垂直
【简答题】The Short Board 短板 Write an essay of 160-200 words based on the drawing. In your essay, you should 1)describe the drawing briefly, 2)explain its intended meaning, and 3)give your comments.
【简答题】A．An essay, B．A magazine article C．A poem. D．A short story.
【单选题】The first time I saw him, what impressed me most were his waistline _____ nearly 3 Chinese chi and his obesity ______ 210 jin.
A.
measured ; weighed
B.
measuring; weighing
C.
measured; weighing
D.
measuring; weighed
【单选题】A. It costs much less C. Most old people like it B. It saves time D. Most young people like it
A.
It costs much less
B.
It saves time
C.
Most old people like it
D.
Most young people like it
【单选题】__________is known to all, Peking University is one of the most famous universities in China.
A.
It
B.
As
C.
What
D.
That
【简答题】Directions: For this part, you are allowed 30 minutes to write a short essay on innovation. Your essay should include the importance of innovation and measures to be taken to encourage innovation. You...
【简答题】【题目】 Directions: For this part, you are allowed 30 minutes to write a short essay on invention. Your essay should include the importance of invention and measures to be taken to encourage invention.Yo...
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