将方程3x+y=5变形成用含x的代数式表示y,则y=( )
5﹣3x
Hearing their grandpa was coming, they began to ________ the work to prepare for a nice dinner.
A.set off
B.set down
C.set aside
D.set about
下面不属于三级过滤的是()。
A.领油大桶到固定储油箱
B.储油箱到油壶
C.油壶到润滑部位
D.油桶到润滑部位