必修三UNIT单词讲解.pptVIP

3.He exists ______ bread and water. A.on B.in C.by D.with 解析：选A。考查短语搭配。exist on靠……活下去(或生存);exist in在……中存在(或生存); exist by在(某种思想、品质等)中找到生活的力量;exist with与……共存。由句意“他靠面包和水度日”可知答案。 4. The villagers were often in ______ clashes with each other in those years before the agreement was reached. A.interesting B.peaceful C.violent D.spiritual 解析：选C。句意为：村民们在协议达成之前彼此之间经常发生暴力冲突。所谓的冲突不应是“有趣的”，也不会是“平安的”“和平的”，既然是彼此之间发生的事情，“精神冲突”亦不合适，只有“暴力的冲突”才符合句意，故选C。 5.Freezing winter is harmful ______ orange trees. A.for B.to C.of D.at 解析：选B。考查固定短语。句意为：寒冬对橘子树有害。be harmful to... 对……有害。 6.She started as an office junior, and ______ became the director the whole company. A.in surprise B.in return C.in turn D.in time 解析：选D。考查短语的区别。in surprise 吃惊地；in return作为回报；in turn轮流，依次；in time终于，一段时间后。由句意“她起初只是一名办公室职员，最终成了整个公司的董事。”可知应选D。 7.Everything went well according ______ plan. A.to B.with C.for D.as 解析：选A。句意为：一切依计划进展顺利。according to为固定短语，意为“根据，按照”。 8.The boy lying under the tree lied to his friends that his cock ______ eggs. A.lied B.laid C.lay D.lain 解析：选B。考查lie (lied,lied)说谎；lie (lay,lain)躺，平卧和lay(laid,laid)放置；下蛋等几个词的区别。句意为：躺在树下的那个男孩向他的朋友撒谎说他的公鸡下蛋了。 9.There is no harm ______. A.on try B.in try C.in trying D.to trying 解析：选C。句意为：不妨试试看。There is no harm in doing sth.为固定句型，意为“不妨做某事”。 10. ______ you do it, you’d better do it well. A.Now that B.After C.Although D.As soon as 解析：选A。now that既然，用于引导原因状语从句。句意为：既然你做了，你最好把它做好。 11.His health ______ because of working too hard. A.has gotten down B.has put down C.has broken down D.has gone down 解析：选C。考查短语的区别。get down 写下来，记下；吃下去。put down 写下来，记下来；break down指在健康或精神等方面(使)垮掉，垮下来；(健康等)变得衰弱，衰弱下来，(由于过度忧愁或工作而)精神不支；