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【单选题】
技术内容相同,编号方法完全相对应,此种采用国际标准的程度属于( )
A.
.等效采用
B.
等同采用
C.
,引用
D.
非等效采用
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【单选题】焊接30CrMnSiNi2A钢时,除焊后低温回火外,还要采取一定的预热措施,预热温度应 母材淬火后的回火温度。
A.
高于
B.
低于
C.
等于
D.
不小于
【单选题】The tour pal lost his way in the mountain; ________ made things worse was that it began to rain.
A.
that
B.
what
C.
which
D.
who
【单选题】If you had a chance to go to the 2010 World Expo (世博会), what _______? [     ]
A.
will you do
B.
would you do
C.
would you have done
D.
will you have done
【简答题】阅读理解。 Imagine that you are the first person ever to see Hawaii. What would be the first thing you would set foot on? The beach, naturally. There are hundreds of miles of beaches on the twenty islands ...
【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
D.
人工智能系统
【单选题】七巧板既是结构游戏玩具,又是_______游戏玩具。
A.
角色
B.
表演
C.
智力
D.
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)
A.
角色
B.
智力
C.
体育
D.
表演
【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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