第7题: [单项选择]Adams hadn't a ______ what the speaker was talking about most of the time because the class was in chaos. A. guess B. thought C. concept D. clue 参考答案:D 答案解析:guess：猜测、推测；thought：思考、想法、思想、思潮、关心、关怀、挂念；concept：观念、概念；clue线索、思绪等。根据句子的意思：亚当大部分时间对演讲人在谈些什么都毫无头绪，因为教室
第24题: [填空题]The middle class ______partly because the subject of money is taught at home, not in school 参考答案:struggles in debt 答案解析:[题意]一部分是由于对金钱的观念不是来自学校，而是来自家庭，中产阶级_______。
[解析]本题的关键词是The middle class，可定位到文中第4段首句，即可找到信息点：struggle
