第20题: [单项选择]There ______ no books I want. A. is B. are C. have 参考答案:B 答案解析:[解析] There be句型。在There be句型中,动词be的单复数形式必须与主语的数保持一致,no books表示的是否定的含义,但还是复数形式,所以要用are。
第36题: [填空题]Landfills are like compost piles in that they speed up decomposition of the buries trash. 参考答案:N 答案解析:[解析] 根据What is a Landfill 部分的最后一句:A landfill is not like a compost pile, where the purpose is not to