将食醋、食用油、食盐、食糖分别放入水中，形成乳浊液的是（ ）
A．食醋
B．食用油
C．食盐
D．食糖
答案：B
--- Would you like to go to the party tonight?
---I’d like to, but I must go over my lessons, _________ tomorrow’s exam.
A．meaning passing
B．aiming to pass
C．intended to passing
D．pointing at passing
35KV架空线路耐张段的长度不宜大于（）km。
A、2
B、3～5
C、7～10
D、15
