(

(

(

(
(
A. The cleaner.
B. The teacher.
C. The students.
(
A. To scare sharks.
B. To find food or friends.
C. To clean the water.
(
A. By flapping wings fast.
B. By sleeping while flying.
C. By using warm air.
(
A. The changes are all good.
B. The changes make room for animals and plants.
C. The changes have caused some problems.
(
A. On 2nd January.
B. On 2nd February.
C. On 20th February.
(
A. 3,140 square kilometres.
B. 3,410 square kilometres.
C. 3,014 square kilometres.
B
) 1. What are the two speakers talking about?
(
B
) 2. What do woodpeckers eat from trees?
(
C
) 3. What did Linda do during the holiday?
(
B
) 4. Where can we see the Mariana Trench?
(
C
) 5. Who takes care of the plants in the classroom?A. The cleaner.
B. The teacher.
C. The students.
(
B
) 6. Why do deep-sea fish glow?A. To scare sharks.
B. To find food or friends.
C. To clean the water.
(
C
) 7. How do eagles fly long distances?A. By flapping wings fast.
B. By sleeping while flying.
C. By using warm air.
(
C
) 8. What's the girl's opinion about the changes?A. The changes are all good.
B. The changes make room for animals and plants.
C. The changes have caused some problems.
(
B
) 9. When is World Wetlands Day?A. On 2nd January.
B. On 2nd February.
C. On 20th February.
(
B
)10. How large is the nature reserve?A. 3,140 square kilometres.
B. 3,410 square kilometres.
C. 3,014 square kilometres.
答案:1-5BBCBC 6-10 BCCBB