第一部分 听句子和对话回答问题
(

B.
(

B.
(

B.
(
A
) 1. Which ecosystem is the speaker talking about?B.
(
B
) 2. How will the temperature change according to the dialogue?B.
(
C
) 3. Which is the "kidneys" of the earth?B.
答案:1. A 2. B 3. C
听第一段对话,回答第4至6小题。
(
A. He likes eating fruit.
B. Air is fresh in the forest.
C. There are many animals in the forest.
(
A. Forests give animals homes and food.
B. Animals can get medicine in the forest.
C. Forests can keep animals warm in winter.
(
A. The importance of forests.
B. The ways to protect forests.
C. The things to do in forests.
(
B
) 4. Why does the boy like the forest?A. He likes eating fruit.
B. Air is fresh in the forest.
C. There are many animals in the forest.
(
A
) 5. Why are forests important to animals?A. Forests give animals homes and food.
B. Animals can get medicine in the forest.
C. Forests can keep animals warm in winter.
(
A
) 6. What is the dialogue mainly about?A. The importance of forests.
B. The ways to protect forests.
C. The things to do in forests.
答案:4. B 5. A 6. A