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【单选题】
各种疝的命名,通常是以为依据。( )A.
疝环
B.
疝囊
C.
疝内容物
D.
疝囊颈
E.
疝外被盖
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【单选题】Which of the following countries is the locality of the R. E.R. system?
A.
England.
B.
the United States.
C.
Germany.
D.
France.
【简答题】Questions 36 to 40 are based on the following. In the early days of nuclear power, the United States made money on it. But today opponents have so complicated its development that no nuclear plants ha...
【单选题】Which of the following 'Big Three' radio and television networks in the United States is also called the 'Peacock Network'?
A.
NBC
B.
CBS
C.
ABC
D.
HBO
【单选题】Which of the following can be inferred from the passage about cotton production in the United States after the introduction of Whitney's cotton gin?
A.
More cotton came from sea island cotton plants than before.
B.
More cotton came from short-staple cotton plants than before.
C.
Most cotton produced was sold domestically.
D.
Most cotton produced was exported to England.
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