第18题: [单项选择]Tom's mother tried hard to persuade him to ______ from his intention to invest his savings in stock market. A. pull out B. give up C. draw in D. back down 参考答案:D 答案解析:词组和固定搭配。pull out意为“拔出、离开、渡过难关”;give up意为“放弃、认输”;draw in意为“引诱、紧缩开支”;back down意为“放弃原主张,取消前言”。根据空格后from