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【单选题】
在以下胶凝材料中,属于气硬性胶凝材料的为哪一组?[ 1998-014,1999-003,2001-053, 2005-002, 2006-003, 2007-017] I.石灰; II.石膏; III.水泥; IV.水玻璃A.
I、Ⅱ、Ⅲ
B.
Ⅱ、Ⅲ、Ⅳ
C.
I、Ⅲ、Ⅳ
D.
I、Ⅱ、Ⅳ
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举一反三
【简答题】从成熟的证券市场来看，企业筹资的优序模式首先是内部筹资，其次是增发股票，发行债券和可转换债券，最后是银行借款。 （ ）
【单选题】They ______ such a big van ______ the price of gas would skyrocket.
A.
would have bought if they knew
B.
wouldn't have bought had they known
C.
wouldn't have bought if had they known
D.
wouldn't have bought did they know
【单选题】With the price rising, $100 a month could hardly _____ the cost of his life in such a big city. [ ]
A.
cover
B.
afford
C.
include
D.
contain
【单选题】The housing price in big cities is ______, but still many young people would rather buy a house than rent a room.
A.
sneaking
B.
soaking
C.
soaring
D.
spinning
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