2013年12月大学英语四级听力真题第3套+答案+原文+评析_大学英语听力

2013年12月大学英语四级听力真题第3套+答案+原文+评析

　　B) Restrictions on cell phone use while driving.

　　C) Improved traffic conditions in cities.

　　D) New regulations to ensure childrens safety.

　　Passage Three

　　Questions 23 to 25 are based on the passage you have just heard.

　　23.

　　A) They havent devoted its much energy to medicine as to space travel.

　　B) There are too many kinds of cold viruses for them to identify.

　　C) It is not economical to find a cure for each type of cold.

　　D) They believe people can recover without treatment.

　　24.

　　A) They reveal the seriousness of the problem.

　　B) They indicate how fast the virus spreads.

　　C) They tell us what kind of medicine to take.

　　D) They show our body is fighting the virus.

　　25.

　　A) It actually does more harm than good.

　　B) It causes damage to some organs of our body.

　　C) It works better when combined with other remedies.

　　D) It helps us to recover much sooner.

　　Section C

　　Directions: In this section, you will hear a passagethree times. When the passage is read for the firsttime，you should listen carefully for its generalidea.When the passage is read for the secondtime，you are required to fill in the blanks with the exact words you have just heard.Finally，when the passage is read for the third time，you should check what you have written.