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【单选题】
关于硅酸盐水泥的技术性质,以下说法正确的是()。A.
水泥的终凝时间指从加水水拌合到水泥浆达到强度等级的时间
B.
水泥体积安定性是指水泥在硬化过程中体积不收缩的特性
C.
水泥浆硬化后的强度是评定水泥强度等级的依据
D.
水泥中的碱含量越低越好
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【单选题】听力原文：Excuse me, is that Sea Taken? (3)
A.
Why not?
B.
I see.
C.
I don't think so.
D.
Go ahead.
【单选题】Why is the Aral Sea disappearing?
A.
Because the water that used to flow into the Aral Sea has been turned away for irrigation.
B.
Because the water in the Aral Sea is evaporated due to extremely high temperature.
C.
Because of part of the Aral Sea is filled to build houses.
D.
Because there is sharp decrease in rainfall in recent years.
【单选题】The purpose of television monitors under the sea would be to relay______.
A.
instructions from the sea bed to the shore
B.
news from the shore to the sea bed
C.
information from the world to the sea bed
D.
information to the world from the sea bed
【单选题】The Dead Sea is so salty ____ it’s hard for anything to live in it, ____ is why it’s called the Dead Sea.
A.
that, which
B.
that, that
C.
/, that
D.
/, what
【简答题】启事的格式由标题、()和落款三部分组成。 A主体 B主干 C正文 D主旨
【单选题】Why is the Aral Sea disappearing?
A.
Because the water that used to flow into the Aral Sea has been turned away for irrigation.
B.
Because the water in the Aral Sea is evaporated due to extremely high temperature.
C.
Because of part of the Aral Sea is filled to build houses.
D.
Because there is a sharp decrease in rainfall in recent years.
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