第一部分听力（25分）
Ⅰ.听句子，选择正确图片。每个句子读一遍。（5分）
1._____ 2._____ 3._____ 4._____ 5._____
Ⅱ.听对话，选择正确答案。每段对话读两遍。（5分）
( )6.Which country will have the largest population by 2040?
A.China. B.India. C.America.
( )7.What is the TV program about?
A.A film. B.How to help poor college students.
C.How to protect the environment.
( )8. What are they talking about?
A.Soil pollution. B.Noise pollution. C.Air pollution.
