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【多选题】
刚性防水屋面采用的刚性材料中，( )，主要适用于防水等级为Ⅲ级的屋面防水，也可用作Ⅰ、Ⅱ级屋面多道防水设防中的一道防水层。A.
防水砂浆
B.
普通混凝土
C.
细石混凝土
D.
防水混凝土
E.
配筋细石混凝土
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【单选题】Many people who were once _______ now get better jobs after further education.
A.
out of trouble
B.
out of work
C.
in ruins
D.
in need
【简答题】Many people who were going to work were stranded or forced to return home. Some battled with fellow New Yorkers to find a cab or to get on a bus. Still others braved the storm, walking miles to get to...
【单选题】Many people who were once _____ now get better jobs after further education. [ ]
A.
out of trouble
B.
in need
C.
out of work
D.
in question
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