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【单选题】
以下物质中杀菌作用最强的是A.
次氯酸
B.
次氯酸根
C.
氯化钠
D.
氯化钙
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皮皮学刷刷变学霸
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A.
mind
B.
idea
C.
think
D.
thought
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A.
as
B.
with
C.
for
D.
to
【单选题】After five hours' drive, they reached____they thought was the place they had been dreaming. [ ]
A.
that
B.
where
C.
which
D.
what
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