一辆客车每小时行50千米,一天上午8时30分从甲地出发,下午4时30分到达乙地,甲、乙两地有多远?
16:30-8:30=8(小时),50×8= 400(千米)
— Lots of trees and flowers _____ on both sides of Huanshan Road last year.
— Oh, that's beautiful. [ ]
A. are planted
B. were planting
C. were planted
D. have planted
费用和效益的识别应坚持增量分析、考虑关联效果、以本国居民作为分析对象和( )的原则。
A.取得政府支持B.防止漏算C.带动关联产业D.剔除转移支付