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【简答题】
已知 C20 混凝土的实验室配合比为 1:2.55:5.12 ,水灰比为 0.65 ,经测定砂的含水率为 3% ,石子的含水率为 1% ,则施工配合比为: 。
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举一反三
【单选题】My funny friend ______ me ______. [ ]
A.
makes; to laugh
B.
makes; laughing
C.
makes; laugh
【简答题】Excel2000 文件的扩展名为 。
【单选题】It _____ to me whether you go or not. [ ]
A.
makes no sense
B.
makes no difference
C.
makes sense
D.
makes difference
【单选题】The federal entity created by the Constitution is by far the dominant feature of the American governmental system. (1)_____ the system itself is in reality a mosaic, (2)_____ of thousands of smaller u...
A.
Therefore
B.
Eventually
C.
But
D.
Presumably
【简答题】在Excel 2000中，工作簿文件的扩展名为（）
【单选题】He always tells funny things to me and _________. [ ]
A.
makes me laughing
B.
makes me laugh
C.
makes me laughs
D.
makes me to laugh
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