【正确答案】 C

【答案解析】[听力原文] 29-31
During the past decade, there has been a big increase in violence crimes throughout the world. (29)Not only has there been a frightening increase in murders and rapes, but chances of being attacked and robbed have grown so that the elderly avoid leaving their apartments. The exact cause of this horrifying development has not been found. (30)Some sociologists feel that the growth of crime on TV is related with the growth of violence on going to be blown up, why not enjoy yourself fully! Regardless of the cause or causes, a fundamental change in about their fellow human beings. (31) Today, people have become "I-centered." They are more interested in tragic changes in our morality and social ways. Until people once more learn to replace "I" with "we". We shall continue to move toward destructive self-centeredness.
29．Why do the elderly even avoid leaving their apartments?

[听前猜测] 通过选项，推知题干可能与某类人因为某些原因只能呆在家里有关。
[精解] 文中的关键句说明不仅谋杀和强奸事件大幅增长，遭到袭击和抢劫的机率也越来越大，故答案为C)。

【正确答案】 D

【答案解析】[听力原文]
According to the sociologists, what caused the increase in violence crimes?

[听前猜测] 选项中的关键词为violence，threat，推测选项关于暴力事件增加的原因。
[精解] 题干中的sociologists为听音的重点，根据文章中的内容，可知其观点是电视节目中暴力情景的增加树立了坏的榜样。

【正确答案】 C

【答案解析】[听力原文]
What is the change of people's morality now?

[听前猜测] 由选项推测题干询问人们的社会道德观念。
[精解] 文章中对比了过去和现在人们的社会道德观念的不同，其中关键句Today，people have become“I-centered.”说明了如今人们变成以自我为中心，关注自我的幸福，故正确答案为C)。