两支修路队合修一条公路,甲队每天修36米,乙队每天修44米,8天后还剩160米没有修,这条公路有多少?
(36+44)×8+160=800(米)
答:这条公路有800米。
I wrote a letter of complaint(投诉),and the airline have promised to _______the matter.
A.1ook at.
B.1ook into
C.1ook after
D.1ook out
板式塔性能的好坏主要取决于塔板的结构。