第12题: [单项选择]Compared with that in non-poverty areas, crude mortality of young people in poverty areas is ________. A. slightly lower B. more or less the same C. slightly higher D. much higher 参考答案:D 答案解析:根据第一段的第四句中的but the people in poverty areas are younger, and if it had been possible to compute age-s
第17题: [单项选择]Questions 23 to 25 are based on the conversation you have just heard.[A] They are found under the oceans. [C] Their emissions created earth’s atmosphere. [B] They were most active when earth was first formed. [D] Their fumes are mostly water in the state of a gas. 参考答案:D 答案解析:[听力原文] What aspect of volcanoes does the woman mention
