摇表接线柱L、E、G代表什么?
参考答案:
L代表线路;E代表接地;G代表屏蔽。
— Watch out! The petrol __.
— Oh, my God. We have to find a service station soon enough.
A.runs out
B.has run out
C.is running out
D.has been run out
一块正方形的菜地,边长8米,它的面积是多少平方米?如果每平方米收白菜7千克,这块地一共可收白菜多少千克?