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【单选题】
下列措施电中,( )不能起到控制大体积混凝土结构因水泥水化热而产生的。
A.
采用矿渣硅酸盐水泥
B.
采用 f45 、 f60 或 f90 替代 f28 作为混凝土设计强度
C.
掺加木质素磺酸钙
D.
采用高标号水泥
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A.
was the landlord's daughter
B.
was the housekeeper's child
C.
was the widow of the landlord's son
D.
was very poor when her husband died
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A.
正确
B.
错误
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A.
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A.
At lunch.
B.
At the office.
C.
In class.
D.
At home.
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【单选题】Section B Directions: There are 2 passages in this part. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A), B), C) and D). You shou...
A.
They are sure to enjoy a longer and happier life.
B.
They have lived long enough to read this article.
C.
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D.
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A.
charter
B.
lease
C.
business
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