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on holiday的用法on+身体部位英语知识点 1、on holiday on holiday在度假，此时holiday 前不加冠词。类似说法如：on a visit/a trip/a journey 要带冠词。take a holiday 休假 用介词on 表示处于一种状态，若用for 则表示目的。如： He is on holiday. 他在度假。 He is on a visit to America. 他正在美国访问。 He wnet to the countryside for his holidays. 他去乡村度假。 He went to America for a visit. 他去美国进行一次访问。 比较：holiday, vacation, leave holiday与vacation一般可通用，但vacation侧重于长时间的假期，如: summer vacation, holiday 可长可短。leave 指政府工作人员或士兵的假期，也可用于指因事（病）而请的假。如: ask for leave 请假，a sick leave of three days 三天的病假
高中英语单词表3500词必背 He was on his way to school when suddenly a policeman stopped him. 他正在上学的路上就在这时一个警察截住了他。 They telephoned to say that they were on the way, but they might be late. 他们打电话说他们正在路上，但他们可能来晚。 I called on a friend of mine on my way back. 我在回来的路上拜访了我的一个朋友。 You mustn’t forget to call in at Brown’s on the way home. 你千万别忘了在回家的路上到布朗先生家拜访。 拓展：by the way 顺便说；in the way 挡道；in a way 某种意义上；lose one’s way 迷路； no way 决不；by way of 途经，经由；work one’s way 通过苦干……；make one’s way 前进； all the way to… 一路至……。 3、on+身体部位 lay the person on one’s back 让这个人仰卧着；stand on one foot 一条脚站着； lie on one’s back/stomach/side 仰卧/趴着/侧着身躺着； sleep on one’s side 侧身睡；stand on one’s head 倒立。 [应用]完成句子 ①她趴在床上，哭个不停。 She ______ _______ ______ ______in the bed,crying all the while ②你想倒立几个小时是很不容易的。 It’s difficult for you to _____ ______ ______ ______ for several hours. Key:①lay, on, her, stomach ②stand,on, your,head 表示条件的从属连词if /unless/as long as/once 例1. ________ I know the money is safe, I shall not worry about it. A. Even thoughB. UnlessC. As long asD. While 例2.Small sailboats can easily turn over in the water ____ they are not managed carefully. A. though B. before C. until D. if 例3.You will be successful in the interview ____ you have confidence. A. before B. once C. until D. though 例4.I won’t call you, _____ something unexpected happens. A. unlessB. whether C. becauseD. while [解析]C?D?B?A?表条件的连词if/unless/as long as/unless在用法上存在一些差异?as long as用法同only if/on condition that,强调某事的发生以另一事件的发生为前提;if为正面条件,可能会产生好的或坏的结果,若某种条件产生坏的结果,此时的if可用as long as替换; unless为反面条件,表示除非,如果不,故在真实条件句中常和if…not换用;once既表时间,又包含条件,译作一旦 
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