题目内容

据海关统计,2012年1-7月,我国进出口总值21683.7亿美元。其中,出口11312.4亿美元,进口10371.3亿美元,请问2012年1-7月我国外贸进出口( )亿美元。

A. 顺差941.1
B. 逆差11312.4
C. 顺差10371.3
D. 逆差941.1

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假定某国净贸易条件以1990年为基期是100,2000年出口价格指数下降10%,为90;进口价格指数上升20%,为120,且该国的出口商品的劳动生产率从1990年的100提高到2000年的150,而进口商品的劳动生产率则从1990年的100提高到2000年的110,则2000年该国家的双项因素贸易条件是( )。

A. 112.50
B. 108.57
C. 107.14
D. 102.27

It can be inferred from the passage that the author considers Fisher's work to be ______.

A. definitive and thorough
B. inaccurate but popular, compared with Hamilton's work
C. accurate, but trivial compared with Hamilton's work
D. admirable, but not as up-to-date as Hamilton's work

During the Middle Ages, productivity of labor ______.

A. was a primary concern of society
B. was hampered by class relationships
C. began to improve over levels reached by the Greeks
D. was in a period of technical progress

In the author's opinion, the idea that geneticists could produce a super-ape is ______.

A. irrational
B. plausible
C. biologically impossible
D. demonstrably true

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