3÷5=______=60%=______：40．
3÷5=0.6=60%=24：40．
故答案为：0.6，24．
The policeman asked the child _____ so that he could take him home. [ ]
A. where did he live
B. where he lived
C. how he lived
在焊接中，测温仪用于监测：（）
A.预热温度
B.后热温度
C.层间温度
D.以上所有
