第一部分 听对话回答问题
扫码即听
（
C
）1. Where is the girl going for further study?
B.
（
B
）2. Which animal is Kitty talking about?
B.
（
A
）3. What kind of ecosystem is mentioned?
B.
（
B
）4. What's Sandy doing?
B.
（
C
）5. What do people call the forests?
A. The “heart” of the earth.
B. The “kidneys” of the earth.
C. The “lungs” of the earth.
（
A
）6. How big is this ecosystem?
A. It covers about 6% of the earth's land area.
B. It covers about a third of the earth's land area.
C. It covers about three fourths of the earth's land area.
（
C
）7. When do wetlands store water?
A. During drought(干旱). B. During summer. C. During heavy rains.
（
C
）8. Where is the boy going?
A. To Zhalong. B. To Yancheng. C. To Hainan.
（
C
）9. What does the ecosystem include?
A. Oceans, wetlands and forests.
B. Plants and animals.
C. All the living and non-living things in an area.
（
B
）10. How many plants and animals does one of the ecosystems support?
A. Thousands of plants and animals.
B. Millions of plants and animals.
C. Billions of plants and animals.
