【正文】
o in corals(珊瑚) of the sea. Inside their bodies they have very small plants, which act as “cleaners”, taking the useless things from the coral and giving oxygen in return. That is what the animal needs to live. If the plants are killed, or are even kept from receiving light so that they cannot live as usual, the corals will die. 1. Is the partnership between two animals good or bad for both sides? ________________________________________________________________________ 2. Can sheep stop the parasites from troubling them by themselves? ____________________________________________________________________ 3. Why do any birds like to sit on a sheep? ________________________________________________________________________ 4. What role(角色) do the small plants inside corals play? ________________________________________________________________________ 5. How do the small plants help corals? ________________________________________________________________________ 七、交際用語( 10分 A: Wele to Beijing Zoo. 1 . Let39。 any 2. doesn39。s favorite activity is climbing trees. 5. Lingling39。 months。 stays。 live。m here. A: No, Lingling, the panda. Look, she is eating bamboo. 5 . A. She lives in China. B. There are all kinds of animals from all around the world. C. Is there a panda? D. Would you like to see Lingling? E. No, it doesn3