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【单选题】
C30中30表示混凝土的()等于30MPa。A.
立方体抗压强度值
B.
立方体抗压强度标准值
C.
抗拉强度
D.
强度等级
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举一反三
【单选题】If you receive the following codes ' _________' from the sea, do you know what the message tells?
A.
The ship is in danger.
B.
The ship will arrive.
C.
The ship is broken into pieces.
D.
The ship is lack of water
【单选题】—Where the twin , Do you know? —Jurong.
A.
do; from
B.
does; from
C.
is; from
D.
do; come from
【单选题】—Do you know ________ man standing there? —I only know he's from ________ European country. [ ]
A.
a; an
B.
the; the
C.
the; a
D.
a; the
【多选题】(2013·甘肃诊断测试)Your cousin is said ________ a new computer program recently, but do you know when he will finish it?
A.
to design
B.
designing
C.
to have been designing
D.
to have designed
【单选题】— Do you know the tower _____ in the heart of the city? — You mean the one _____ from the Ming Dynasty?
A.
locating; dated
B.
being located; dating
C.
located; dating
D.
located; dated
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