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【单选题】
人口密度差值最大的两个网格区是A.
①和④
B.
②和③
C.
③和⑤
D.
④和⑤
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【简答题】Marc Edwards believes that he is living every day and doing his job bravely with a purpose.
【简答题】Langue refers to the abstract linguistic system shared by all the members of a speech community and ______ refers to the actualized language or the realization of langue.
【单选题】I think he must be in the office now, _____? [ ]
A.
don't I
B.
mustn't he
C.
isn't he
D.
can't he
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【简答题】Marc Edwards argued at a conference that scientists should work in the public interest.
【单选题】下面哪一项不是某种商品供给曲线发生移动的原因?( )
A.
技术进步
B.
该商品自身价格变化
C.
生产该商品的一种生产要素价格发生变化
D.
生产者预期该商品价格会上升
【简答题】社会助长是指有别人在场时，我们会（ ）。
【判断题】Langue refers to the abstract linguistic system shared by all the members of a speech community.
A.
正确
B.
错误
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