单选题
【正确答案】 D
【答案解析】[听力原文] Insurance rates are a factor that must be taken into account. The more extensive the coverage, the higher the rates and the more costly the goods.
【正确答案】 B
【答案解析】[听力原文] Some dry regions of the world may go on for years without getting a raindrop. But when the rain does come, it usually comes in torrential downpours.
【正确答案】 C
【答案解析】[听力原文] To succeed in the impersonal and competitive world of a metropolitan city, you need to be honest, hard working, highly receptive and well-qualified.
【正确答案】 A
【答案解析】[听力原文] Give the amount of such heavy expenses on our side, anything less than a ten percent discount is not worth the trouble.
【正确答案】 A
【答案解析】[听力原文] Extinction is the fate of many endangered species, as they fail to adapt themselves rapidly enough to conditions of changing climate and competition.