第7题: [单项选择]{{B}}Passage One
Questions 26 to 28 are based on the passage you have just heard.{{/B}} A. Diamond Hunting. B. Diamond--A Precious Stone. C. Diamond--Symbol of Fortune. D. How is Diamond Formed and Found. 参考答案:D 答案解析:[听力原文]
What do you think is the best title for this passage
[解析] 主旨大意题。本文首先讲述了钻石的形成,并指出在哪些地方可以找到钻
第30题: [单项选择]In the sentence "To do this, we need to persuade mankind." (Para. 1), "this" refers to ______. A. abolish war B. improve weapons C. solve international problems D. live a peaceful life 参考答案:A 答案解析:细节推理题。从文章第一段“To do this”前面一句可以知道“this”的内容指的是“...succeeded in abolishing war.”。