高中英语 Unit5 Language points课件 新人教版选修8 课件.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,Unit 5,Meeting your ancestors,Language points,1.identify,vt,.,确认，识别，鉴别,（,1,）,sb,./,sth,.as,sb,./,sth,.,确认，证明某人,/,某物系某人,/,某物,e.g.,她认出那个男子就是袭击她的人。,She identified the man as her attacker.,（,2,）,sth,.with,sth,.,认为某事物与另一事物等同,e.g.,幸福与财富不能混为一谈。,One cant happiness with wealth.,扩展：,identificationn.,验明，鉴别，身份证明,identification card,身份证,identical adj.,完全相同,be identical to/with,2.alternativeadj.,供选择的，其他的,e.g.The way was blocked,so we had to go by road.,这条路阻塞，我们只能走其他路。,n.,可能的选择；选择对象,have no but to do,sth,.,=have no choice but to do,sth,.,=have nothing to do but do,除了做某事别无选择,e.g.,除了放弃那个计划，我别无选择。,I have no alternative but to give up the plan.,=I have no choice but to give up the plan.,=I have nothing to do but give up the plan.,3,.interrupt,vt,.,1),打断，中断，阻碍,e.g.,战争打断了两国间的贸易。,The war ed the trade between the 2 countries.,Sorry to,interrupt you,but I have something,to say.,打断,某人的话,sb,./,sth,.with,sth,.,(2)interrupt,sb,.,打扰,某人,4.assume,vt,.,假定，设想；担任，承担,(1)assume,后多跟,1),名词，,2),宾语,+to be+n./adj.,3)that,从句,e.g.1.The scientist that there is no animals on the,moon.,科学家设想月球上没有动物,2.I d the responsibility.,我来承担责任。,3.He assumed a great man.,他假装是伟人,(2)assuming,放在句首，表一种猜测。,e.g.Assuming it rains tomorrow,what shall,we do?,假如明天下雨，我们该做什么呢？,扩展：,assumptionn.,make an assumption,.,regardless of,不管；不顾；不注意,e.g.He went the risk.,他不顾危险地去了。,He is his appearance.,他不注意自己的外表。,6.,preserve,vt.(1),保存；保护；收藏,e.g.You can meat or fish in salt.,你可以用盐来保存肉或鱼。,(2),保持；维持,e.g.It is one of the duties of the police to public,order.,警察的职责之一是维持公共秩序。,相关短语：,sb,./,sth,.,保护某人,/,保存某物,sb,.(from,sb,./,sth,.),保护某人以免,7,sharpen,vt,.,使锋利,尖锐,;,使强烈,The knife needs,sharpening,.,The tone of his letters has,sharpened,recently.,sharp,adj.,锋利的,尖锐的,;,急转的,陡峭,;,突然的,急剧,a sharp turn,急转弯,a sharp increase,急剧增加,8 specific,adj.,具体的,;,特有的,The problem with her is that she never has a specific aim in life.,specifically,adv.,具体地,特别的,You are specifically warned not to eat fish.,9.Somehow,以,方式；不知怎么地；莫名其妙地,Somehow he was afraid of her.,anyhow,无论如何，不管怎样,It may snow,but anyhow I will go to town.,逮捕，吸引,The criminal was arrested yesterday.,arrest,sb,for,因,逮捕某人,arrest ones attention,引起,的注意力,attract ones attention,draw ones attention,10.,arrest:,11.,relief,n.,减轻或解除,I felt great relief when I heard I had passed the examination.,to ones relief,令,放心的是，令,感到宽慰的是,Much to his relief,finally his lost son was found by the police.,to ones surprise,to ones delight,12.patient,adj.n.,耐心的；病人,be patient with,对,有耐心的,patience,n.,耐心，忍耐,To become a nurse,one of the qualifications needed is patience.,13.skilful,熟练的，有技巧的,a skilful driver,be skilful at (doing),sth,对,熟练,14.If only,it could be just like last year.,要是能像去年那样就好了,!,If only,但愿,.;,要是,就好了。其后,一般用虚拟语气。,If only she,had looked ahead,and planned better.,If only he,had come,We,have been excavating,here for many years.,现在完成进行时,由“助动词,have(has)+been+doing”,构成,表示,从过去某时开始一直延续到说话时还在进行，或可能还要继续下去的动作,。它通常和“,for+,段时间”或“,since+,点时间,(,也可以是从句,)”,的时间状语连用。,I have been waiting for a letter from my parents.,我一直在等我父母的来信。,It has been raining for three hours.,雨已经下了三个小时了。,We have been studying here since 2004.,自从,2004,年以来，我们一直在这里学习。,2.,表示从过去某时开始，一直延续到说话时刻，可能刚刚结束的动作。例如：,She has been sweeping the street all day.She is too tired.,她一整天都在扫大街。她太累了。,We have been waiting for you for two hours.We dont want to wait any longer.,我们已经等你两个小时了。不想再等了。,