i. listening comprehension (共10分) section a (共6分,每小题2分) directions: in section a, you will hear one short passage, and you will be asked three questions on the passage. the passage will be read twice, but the questions will be spoken only once. when you hear a question, read the four possible answers on your paper and decide which one would be the best answer to the question you have heard. questions 1 through 3 are based on the following passage. 1. a. to give animals a home. b. to seek pleasure. c. to create a public zoo. d. to study animals. 2. a. they are bigger in size. b. more special animals are kept there. c. they are more nature-like. d. more baby animals are born there. 3. a. the development of zoos. b. the origin of zoos. c. the founder of zoos. d. the variety of zoos.