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【简答题】
计算下图所示钢筋的下料长度。
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that
B.
what
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which
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who
【单选题】七巧板既是结构游戏玩具,又是_______游戏玩具。
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角色
B.
表演
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体育
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智力
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A.
will you do
B.
would you do
C.
would you have done
D.
will you have done
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【单选题】专家系统是一种( )。
A.
知识库系统
B.
决策支持系统
C.
数据库和知识库系统
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人工智能系统
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角色
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表演
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智力
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体育
【单选题】We were about to climb up to the top of the mountain ________ it began to rain heavily.
A.
as
B.
while
C.
when
D.
since
【单选题】(2013·湖南,25)The sun began to rise in the sky,________the mountain in golden light.
A.
bathed
B.
bathing
C.
to have bathed
D.
have bathed
【单选题】七巧板既是结构游戏玩具,又是_______游戏玩具。(5分)
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【单选题】(河南原创)—What would you like to have for supper, Jack?—Either noodles or rice ______OK. I don't mind.
A.
are
B.
were
C.
is
D.
was
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