一部大客车,里面有双人椅12张,单人椅8张.一共可以坐多少位乘客?
12×2+8,
=24+8,
=32(位).
答:一共可以坐32位乘客.
165. In America, the teen-age crime is on the _______. This is what the American public worry most.
A.addition
B.increase
C.increasing
D.Independence
如何测量交流表示灯电源对地电流?