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【单选题】
减水剂的作用包括节约水泥,在混凝土拌合物坍落度、强度一定的情况下,可节约水泥( )。A.
5％～10％
B.
5％～20％
C.
5％～15％
D.
5％～25％
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举一反三
【单选题】Regular exercise is a good habit for kids to ___________.
A.
develop
B.
break
C.
become
D.
grow
【单选题】Adam Smith mentioned the number 4 800 in order to ______.
A.
show the advantages of the division of labor
B.
emphasize how powerful the individual worker was
C.
show the advantages of the old craft system
D.
emphasize the importance of increased production
【单选题】The professor suggested that the students ________ into four groups in the experiment. [ ]
A.
be divided
B.
must divided
C.
might divided
D.
should divided
【简答题】康复体操禁忌症有哪些?
相关题目：
【单选题】Regular exercise is a good habit for kids to ___________.
A.
develop
B.
break
C.
become
D.
grow
参考解析：
知识点：
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