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第一部分 听对话回答问题
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（
B.
（
B.
（
B.
（
B.
（
A. About 150.
B. About 1,000.
C. About 400 to 600.
（
A. Into forests.
B. Into the ponds.
C. Into the stream.
（
A. An engineer.
B. A social worker.
C. A doctor.
（
A. It's about the nature world.
B. It's about three big ecosystems.
C. It's about China's wetlands, Chinese people's efforts and the achievements.
（
A. She is singing a song.
B. She is writing an eco-report.
C. She is reading a book.
（
A. Because she feels ill.
B. Because she can't write a letter.
C. Because wastewater travels to the ocean and causes pollution.
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（
C
）1. Which ecosystem does Jim like best?B.
（
B
）2. What are scientists paying attention to?B.
（
B
）3. What are they talking about?B.
（
A
）4. Which one does Suzy like best?B.
（
C
）5. How many red-crowned cranes fly to Yancheng to spend the winter every year?A. About 150.
B. About 1,000.
C. About 400 to 600.
（
A
）6. Where does Amy think people shouldn't throw rubbish?A. Into forests.
B. Into the ponds.
C. Into the stream.
（
B
）7. What does the girl want to be when she grows up?A. An engineer.
B. A social worker.
C. A doctor.
（
C
）8. What's the documentary about?A. It's about the nature world.
B. It's about three big ecosystems.
C. It's about China's wetlands, Chinese people's efforts and the achievements.
（
B
）9. What's the girl doing?A. She is singing a song.
B. She is writing an eco-report.
C. She is reading a book.
（
C
）10. Why does the girl feel terrible?A. Because she feels ill.
B. Because she can't write a letter.
C. Because wastewater travels to the ocean and causes pollution.
答案
1.C 2.B 3.B 4.A 5.C 6.A 7.B 8.C 9.B 10.C
