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【单选题】
室内防水地面蓄水检验，下列表述正确的是( )。A.
蓄水深度出地面最高点20~30mm,24h内无渗漏为合格
B.
蓄水深度出地面最高点20~30mm,48h内无渗漏为合格
C.
蓄水深度出地面最高点40~50mm,24h内无渗漏为合格
D.
蓄水深度出地面最高点40~50mm,48h内无渗漏为合格
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】-- James is good at sports. He plays _____ basketball very well. --And he plays ______ piano well, too. ---Wow, so great!
A.
the, the
B.
/, /
C.
/, the
【单选题】---James is good at sports. He plays ______ basketball well, and he plays ______ piano well, too. --- Wow, he’s so great!
A.
the, the
B.
/, /
C.
/, the
D.
the,
【简答题】()是以实数作为自变量的函数
【简答题】He plays _____(class)music, as well as pop and jazz.
【单选题】—James is good at sports. He plays _____basketball well, and he plays _____piano well, too. —Wow, he’s so good. [ ]
A.
the; the
B.
/; /
C.
/; the
D.
the; /
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