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【单选题】
当混凝土拌合物流动性偏小时,应采取( )办法来调整。A.
保持水灰比不变,增加水泥浆
B.
加适量水
C.
延长搅拌时间
D.
增加骨料用量
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举一反三
【简答题】根据语境 ,填入适当的词语或句子 Mary: Good morning, Jim. Jim: Good morning, Mary. Look, there is (1)__________ over there. Mary: Oh, it's a French book. Jim: (2)__________? Mary: I think it could be Tony's. He love...
【简答题】2) A monopolist sells to two consumer groups, students and non-students. Demand for students: Q = 500 - 1/2P Demand for non-students: Q = 750 - 2P MC = 20 Find the profit-maximizing price/quantity com...
【单选题】Mary is always ______ with her neighbors, wherever she lives.
A.
on good term
B.
on good terms
C.
in good term
D.
in good terms
【单选题】The Webster's are ______.
A.
Mary's foster parents
B.
Mary's birth parents
C.
Mary's good friends
D.
judges
【简答题】综合题: Describe mechanism of synergistic effects of antibiotics combination therapy, give one example for each.
【单选题】The springs are used in sets of four for each vehicle, or they may be _____ in various combination.
A.
pair of
B.
pairs
C.
paired off
D.
pair off
【单选题】Mary often gives us _____ by email.
A.
some good information
B.
some good informations
C.
good informations
D.
a good information
【判断题】For each combination of characters below, determine whether or not it is an allowable label (name). repeat( )
A.
正确
B.
错误
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