2016年大学英语四级考前全真模拟试题及答案（一）_第4页

　　Section B

　　Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D). Then mark the corresponding letter on Answer Sheet 2 with a single line through the centre.

　　Passage One

　　Questions 26 to 28 are based on the passage you have just heard.

　　26. A) Electric cars.

　　B) Increasing fuel efficiency.

　　C) California's pollution laws.

　　D) Automobile safety.

　　27. A) They are cheaper.

　　B) They do not pollute.

　　C) They are simpler to drive.

　　D) They are faster.

　　28. A) It is not comfortable.

　　B) R cannot go long distances without recharging.

　　C) It is difficult to steer.

　　D) Its engine easily overheats.

　　Passage Two

　　Questions 29 to 31 are based on the passage you have just heard.

　　29. A) To show a videotape on survival in outer space.

　　B) To gain support for the space program.

　　C) To describe her experience on space missions.

　　D) To inform the audience about the space suit.

　　30. A) The lack of air pressure.

　　B) The extremely hot or cold temperature.

　　C) Exposure to radiation.

　　D) An inadequately ventilated space suit.

　　31. A) A videotape.

　　B) A book.

　　C) A picture.

　　D) An oxygen tank.

　　Passage Three

　　Questions 32 to 35 are based on the passage you have just heard.

　　32. A) It helps the body to digest food.

　　B) It keeps milk fresh.

　　C) It helps the body to absorb calcium.

　　D) It prevents sunburn.

　　33. A) Oranges.

　　B) Milk.

　　C) Tomatoes.

　　D) Bread.

　　34. A) Ten minutes of exercise each day.

　　B) Ultraviolet rays.

　　C) Vitamin supplements.

　　D) Eight hours of sleep each night.

　　35. A) Their bones may become weak.

　　B) They may lose weight.

　　C) They may develop wrinkles.

　　D) They may become allergic to milk.