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【单选题】
下面哪两类是公文体系中的双向对应的文体:( )A.
贺信与感谢信
B.
请示与批复
C.
求职信与录取通知
D.
意见与指示
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反馈参考答案：
举一反三
【单选题】The theory that ocean basins were caused by meteoroid impact______.
A.
has fallen into wide dispute ever since it was proposed
B.
fails to explain how continents were originated and have changed
C.
was discarded as unacceptable immediately after it was proposed
D.
rightly explains the formation of most of the ocean basins
【单选题】Forty years ago people were indifferent to the health of the ocean because ______.
A.
the ocean was immune to any pollution then
B.
they didn't know what would come of if the ocean was deadly disrupted
C.
there was no computer then
D.
there wasn't any problem with the ocean at that time
【单选题】Forty years ago people were indifferent to the health of the ocean because_____.
A.
the ocean was immune to any pollution then
B.
they didn't know what would come of if the ocean was deadly disrupted
C.
there was no computer then
D.
there wasn't any problem with ocean at that time
【单选题】WHY were scientists unable to send instruments deep into the Southern Ocean?
A.
because the ocean is way too big
B.
because a lot of the ocean is icy
C.
because the ocean is warming
D.
because a lot of the ocean is gone
【单选题】If the ocean were free of ice, storm paths would move further north, ______ the plains of North America of rainfall.
A.
to deprive
B.
deprived
C.
depriving
D.
deprive
【单选题】If the ocean were free of ice, storm paths would move further north, ______ the plains of North America of rainfall.
A.
deprive
B.
to deprive
C.
deprived
D.
depriving
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