【正文】
to live a zoo in New York, because of special night __16__, people can observe certain animals that are __17__only at night when most zoos are zoos have special places for visitors to __18__ animals that live in the desert or other zoos have special places for animals that live in cold conditions like the __19__ from the Arctic. Modern zoos not only show animals for visitors, but also __20__ and save rare this reason, fifty years from now, the grandchildren of today’s can still be able to enjoy watching these animals. 1. A. that B. where C. which D. there 2. A. houses B. rooms C. cages D. offices 3. A. Therefore B. However C. So D. Though 4. A. masters B. managers C. keepers D. trainers 5. A. workers B. animals C. bears D. tigers 6. A. excited B. angry C. ill D. frightened 7. A. natural B. difficult C. warm D. different 8. A. so that B. and C. but D. or 9. A. forest B. nature C. rivers D. the water 10. A. in B. by C. near D. through 11. A. instead B. instead of C. and