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搜题
【单选题】
1 m3水泥砂浆配用水泥松散体积0.45 m3，其容重为1 200kg/m3，搅拌损耗率为3%，1 m3水泥砂浆的水泥耗用量是( )kg。A.
540
B.
556.2
C.
2 666.67
D.
2 746.67
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皮皮学刷刷变学霸
举一反三
【单选题】Do you think the plan _________ out as soon as possible?
A.
should carry
B.
ought to be carried
C.
ought to have carried
D.
ought to have been carried
【单选题】— I didn't tell my parents the secret yesterday. — But you _____. [ ]
A.
ought to do
B.
ought to
C.
should
D.
ought to have