第20题: [单项选择]The Economy Survey subscription has increased ______ the marketing budget has been cut down. A. although B. because C. despite D. however 参考答案:A 答案解析:中级问题 空格内应填入引导状语从句的连词。A、B和D选项中,词义上最恰当的是A选项。A选项在考查引导状语从句连词的题目中出题频率最高,其次是because。也请记住“however+(形容词/副词+)
第34题: [单项选择]Which of the following examples BEST reflects a cost to society as defined in the passage A. A family buying a dog. B. Eating in a restaurant instead of at home. C. Using land for a house instead of a park. D. Staying at home instead of going to school. 参考答案:C 答案解析:推断题 本文主要阐述了经济学里面的一个重要概念——“机会成本”,是讲商品生产和社会资源之间的关系。A、B、D均未涉及到生产领域,只有C符合本文的主旨。