280÷70=(280×5)÷(70÷5)[ ]
错误
找出错误并改正。
( ) 1. Danny is siting on the train. _______________
A B C
( ) 2. Li Ming does not a baby. _______________
( ) 3. He father is a man. _______________
( ) 4. " I am singing." he say. _______________
电能计量装置的运输应采取何种运输工具?