440÷(1-37),
=440÷47,
=440×74,
=770(千克);
答:这批蔬菜共有770千克.
Arriving at a bus stop ______ the vehicle pulling away just a few minutes ago is quite annoying.
A.to find
B.finding
C.found
D.to be finding
按分散系统分类,可将液体制剂分为
A.真溶液
B.胶体
C.混悬液
D.乳浊液
E.高分子溶液