题目内容
6.听第9段材料,回答第15,16,17题.15.What is the main topic of the conversation?
A.Economic conditions in colonial America.
B.Traffic problems in colonial American cities.
C.Population growth in colonial American cities.
16.Why were carts considered a problem in colonial towns?
A.Carts often moved too slowly.
B.Carts broke down too easily.
C.Carts scared the pigs away.
17.What did colonial towns people do to clean their streets?
A.They set up trash cans.
B.They burnt the garbage.
C.They used pigs to clean them.
分析 略
解答 BAC
点评 略

练习册系列答案
相关题目