听对话 听下面七段对话，从每小题所给的A、B、C三个选项中选出正确答案。
听第1段对话，回答（1）题。
（1）Where may Peter be now？

A.In the book store.
B.In the library.
C.At home.
听第2段对话，回答（2）题。
（2）What does the boy have to do next？

A.Play computer games.
B.Have a rest.
C.Read a book.
听第3段对话，回答（3）题。
（3）What are they talking about？

A.Sports.
B.Environment.
C.Population.
听第4段对话，回答（4）题。
（4）What does the girl mean？

A.She likes Ms.Lin's classes，too.
B.She doesn't mind Ms.Lin's classes.
C.She thinks English is interesting.
听第5段对话，回答（5）、（6）题。
（5）Where does Mary get this bag？

A.She bought it in a shop.
B.Her friend gave it to her.
C.Her mother made it for her.
（6）How long has Mary had this bag？

A.She has had it for half a year.
B.She has had it for a month.
C.She has had it for a year.
听第6段对话，回答（7）、（8）题。
（7）What did Paul do last Sunday？

A.He went swimming.
B.He went fishing.
C.He went boating.
（8）What caused river pollution？

A.Rubbish.
B.Dead fish.
C.A chemical factory.
听第7段对话，回答（9）、（10）题。
（9）What does the woman think of the world's population？

A.It's growing slowly in the world.
B.It's growing fast in the world.
C.It's getting smaller in some countries.
（10）How do the governments deal with the problem？

A.By giving the mothers longer leave.
B.By giving the families money support.
C.By giving the families food and clothes.