(
B
) 1. What are the two speakers talking about?
(
B
) 2. What do tiny ocean plants make for humans?
(
B
) 3. What kind of bird might you see in Zhalong Nature Reserve?
(
A
) 4. Where can we usually find zebras?
(
B
) 5. Where do monkeys live in the forest?
A. In the low place of trees.
B. In the canopy(林冠层).
C. In rivers.
(
B
) 6. Why are coral reefs colourful?
A. The sun changes their colour.
B. Tiny algae(海藻) give colour.
C. Fish paint them.
(
C
) 7. Why are polar bears in danger?
A. There is much ice.
B. They can't find enough food.
C. They find no space to live in.
(
C
) 8. What do birds find in wetlands?
A. Grass and flowers.
B. Fruit and vegetables.
C. Fish and insects.
(
B
) 9. What do mushrooms do in forests?
A. Make oxygen.
B. Break down dead leaves.
C. Grow fruit.
(
B
) 10. Why do mountain hares turn white?
A. To look pretty.
B. To stay safe.
C. To stay warm.
