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【简答题】
浇筑大体积混凝土结构时,减少水泥的水化热量和内外温差有哪些方法( )。 A砂.石料.水的温度要低 B“盖被”，将表面温度升高 C用粉煤灰或火山灰水泥 D导热 E尽量少用水泥，水泥中加减水剂
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举一反三
【单选题】The author was glad that the pious lady personally taught him a great truth in thinking.
A.
T
B.
F
【判断题】The author was glad that the pious lady personally taught him a great truth in thinking.
A.
正确
B.
错误
【简答题】The
author was glad that the pious lady personally taught him a great truth in
thinking.A. T B. F
【判断题】The author was glad that the pious lady personally taught him a great truth in thinking.
A.
正确
B.
错误
【简答题】使用抗生素后，敏感菌株被消灭后，耐药菌株大量繁殖所引起的感染是
【单选题】The fact _____she works hard is well known to us all
A.
.That
B.
.what
C.
.why
D.
which
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