A. answers an objection that some readers may raise to paragraph Ⅰ B. guards against the possibility that you have read in paragraph Ⅰ C. contradicts the idea of paragraph Ⅰ D. is more optimistic than paragraph Ⅰ 参考答案:A 答案解析:[试题详解] 本自然段主要讲述生活在贫困中,没有事情可做的人们怎么能提高他们的生活水平呢 这是针对第一个自然段内容有人提出的疑问,所以作者马上接着说Someone must help一定需要有人帮助。
第27题: [单项选择]In some parts of the world, tea ______ with milk and sugar. A. is serving B. is served C. serves D. served 参考答案:B 答案解析:[分析] “在世界上的一些地方,茶是同牛奶和糖一起供应的。”本题考被动语态的用法。Tea作主语时,应用被动态使serve的动作完成。所以B正确。