You are ______________ than me. [ ]
A. big
B. biger
C. bigger
答案:C
采集测有机物的水样时,盛水样的容器多选用()
A.塑料瓶
B.玻璃瓶
C.矿泉水瓶
D.药瓶
E.啤酒瓶
使用平车装载钢板时有何规定?