问题
单项选择题
()试验适用于测定砂浆拌合物在运输及停放时内部组分的稳定性。
A.稠度
B.流动度
C.分层度
D.工作度
答案
参考答案:C
()试验适用于测定砂浆拌合物在运输及停放时内部组分的稳定性。
A.稠度
B.流动度
C.分层度
D.工作度
参考答案:C
What do the people usually do on weekends? Some people like to at home, but others like to go out for a walk or play football. Mr Smith hard in a factory during (在期间) the . On the weekends, he usually the same thing. On Saturday he washes his car and on he goes with his family to a village(村庄) by car. His uncle and aunt a farm there. It isn't a big one, but there is always to do on the farm. The children help with the animals and give them some . Mr and Mrs Smith help in the field(田地). At the end of the day, they are all and Mr Smith's aunt them a big meal.
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