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强化训练22 介词 （时间：分钟） Ⅰ.单项选择(每题1分，共20分) 1(2017·北京市重点高中联考)Living with cancer has made her realize how important it is to take every chance to live her life ________ the fullest. 答案 C [考查介词用法。句意：身患癌症让她意识到利用每一次机to the fullest”表示“最充分地”，是固定结构。] (2017·崇明中学4月模拟)Germs are everywhere，just waiting to enter your body and infect you ________ a cold，the flu or other sickness. 答案 D [考查介词。infect sb with sth是固定词组，表示“使某人感染上……”，故用with，其他都无此搭配，所以答案应选D项。] (2017·成都一诊)It is important to know what colours look good ________ your skin before you buy clothes. 答案 C [考查介词。句意：在购买衣物前，了解哪些颜色衬你的肤色很重要。此处要用介词against表示“在……衬托下，以……为背景”。] (2017·宁夏质检)The plane departs at 8：00，so we may as well be at the airport ________ 7：00 at the latest. 答案 A [考查介词。句意：飞机在8点起飞，所以我们最晚7点赶到机场。by＋时间，表示“不迟于，在……之前”，根据句意可知，A项符合题意。] | 
