题目内容
13.听第7段材料,回答第8至9题.8.What's the biggest problem in the man's country?
A.Large population.B.Air pollution.C.Water shortage.
9.What is the major cause of the air pollution according to the woman?
A.The heating system.B.Factories.C.Cars.
分析 略
解答 CC
点评 略
练习册系列答案
相关题目