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【单选题】
当混凝土强度等级为C60时，水泥强度等级为混凝土设计强度等级的（ ）倍。A.
0．70～1．0
B.
1．1～1．5
C.
1．5～2．5
D.
2. 5～3．0
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举一反三
【单选题】Why the shopping mall is called “ elephants of commercial architecture ” ?
A.
More commodities are available.
B.
Combination retail stores, food outlets, and entertainment under a single roof.
C.
The shopping malls are in big cities.
D.
Goods are nice and cheap.
【单选题】听力原文：Isn't the shop closed? (A) The shopping mall is newly built. (B) They' re open twenty-four hours a day. (C) No, it' s very far from here. (19)
A.
B.
【单选题】Despite high prices of the goods, the shopping mall is always attracting a lot of customers for its ________ supplies. [ ]
A.
diverse
B.
discount
C.
abundant
D.
effective
【单选题】You'd better walk _______ the footbridge. The shopping mall is on the other side of the street. [ ]
A.
over
B.
through
C.
across
D.
around
【简答题】The shopping mall is _____ (紧挨着) the bank.
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