资源描述
单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master title style,Unit 13,Our Beautiful,Environment,necessary,/ nessr /,+介词,necessary for对是必要的,necessary for health对安康是必要的,+名词,necessary actions必要措施 necessary information必要的信息,necessary skill必需的技能,It is/was+(for sb) to- v,例句：,Do you have thenecessaryskills for this job 你具备做这项工作所必需的技能吗,It is necessary for us to learn Enghlish well.,survival,/ svav()l /,V. : survive,例句：,The old man was a,survival,of a past age.,这位老人是上一代的遗老。,sideways,/ sadwez /,The boy gave the girl a,sideways,look.,这男孩斜视了那姑娘一眼,。,详细用法请参看课本,Unit 14,主页,upright,/ prat/,upright piano,竖型钢琴,例句：,He stood in an,upright,position.,他直直地站着。,详细用法请参看课本,Unit 14,主页,view,/ vju /,at first view初见 in sbs view在某人看来,view作名词指“意见时，后面可跟介词of,例句：,Hisviewof life is different from yours.他的人生观与你的不同。,Ill sit here and look at theview. 我要坐在这里观看风光。,reflection,/ rflek()n /,例句：,The,reflection,of,the sun on the glass wall was blinding.,玻璃墙上反射的太阳光令人目眩。,You can see,your,reflection,in a mirror.,你能在镜子里看到自己的映像。,This is,a,reflection,of,their frailty.,这是他们虚弱的反映。,flash,/ fl/,Did you useflash 你有没有用闪光灯,In aflashhe remembered everything.一刹那,他记起了所有的事情。,详细用法请参看课本Unit 14主页,size up,/ saz p /,例句：,He has the ability to,size up,a situation.,他会估计形势。,详细用法请参看课本,Unit 14,主页,frame,/ frem /,例句：,In a silver,frame,on the table there was a photograph of his son.,在桌上银相框里有张他儿子的相片。,This old bed has an iron,frame,.,这张旧床的床架是铁制的。,详细用法请参看课本,Unit 14,主页,series,/ sriz /,a series of,一系列的,series,是可数名词,单复数同形。,a series of meetings,alphabetical,/ lfbetk()l/,n. alphabet,alphabetical order,字母序列,alphabetical flag,字母旗,例句：,Put these words in,alphabetical,order.,把这些字按字母表顺序排列起来。,dictionary,/ dknr /,在表示“查字典时,须用动词consult, search, turn up或use,不可用look for,名词复数:dictionaries,例句：,Thisdictionaryis very helpful to your English study. 这部词典对你学习英语很有帮助。,rhyme,/ ram /,Do you understand therhymeof this poem你理解这首诗的韵吗,Shakespeare sometimes wrote inrhyme.莎士比亚有时用韵文写作。,Don,swan,ink pad,/ k pd /,The shop only sells ink pads.,本店专营打印台。,句子,The,environment,needs to be,protected,.,环境需要被保护。,environment -,环境,need to do sth.,需要做某事,be + p.p.,表示被动语态,诵读 三级B册课本Unit 13 P76-5,Do all the good you can,by all the means you can.,In all the ways you can,in all the places you can,at all the times you can.,To all the people you can,as long as ever you can.,People can live,all over the world,. We can do this because we,are able to,make clothes and build houses which,are needed,for,different conditions,. Most plants and animals can only live in some environments because they cant,put on,or,take off,clothes.,背诵,Protect Our Environment,all over the world 全世界,be able to 能够相当于 can ,be + p.p. 表被动,different conditions 不同的条件下,put on 穿上衣服、鞋袜、帽子,take off 脱下衣服、鞋袜、帽子,useful expressions:,can 和be able to 都可以表示能力.,can 泛指一般的能力,而且只有两种形式,即:can, could,be able to 那么主要指具体做到了某件事的能力，其形式主要是靠be 发生变化，所以形式比can 多,可以说：I can swim.,I am able to swim.,但是不能说：,All the people could escape from the big fire in time.,只能说：,All the people were able to escape from the fire in time.,The environment,where,we stay gives us plants or animals, food and places to live. Where a plant or animal lives,is called,its habitat. Forest, garden, jungle and desert can make a good habitat.,Protect Our Environment,where,引导的定语从句，,此句翻译为：我们所待的环境给我们提供了植物、动物、食物和居住的地方。,A bird can live,in a forest habitat,.,A frog can live,in a pond habitat,.,People can live in the kind of place,where we have,enough food, water, plants and other animals.,There may be many,different kinds of,animals and plants living together in,the same,habitat.,They all,need,food,for,growth.,enough + n.,different kinds of,不同种类的,the same,一样的,need to do sth.,需要做某事,need for sth.,为了,需要,They all,need,food,for,growth.,他们都为了生长需要食物。,= They all,need,food,to,grow.,useful expressions:,Plants will get their food from the sunlight, the air and water,but animals,have to,eat other,living things,like plants or other animals.,The environment,needs to be protected,because if the habitat becomes,worse and worse, then no people, plants or animals will,be able to,survive.,need to do sth.,be + p.p.,比较级 and 比较级 表示“越来越，更,worse and worse 越来越差,worse bad, badly比较级,useful expressions:,概念：表示过去发生或已经完成的动作对现在造成的影响或结果，也可以表示过去已经开场，一直延续到现在的动作或状态。,现在完成时,现在完成时,主菜单,上一页,下一页,现在完成时的构成,现在完成时的主要用法,现在完成时的时间状语,短暂性动词与时间段的关系,have been 与have gone 比较,与一般过去时的用法比较,现在完成时的构成,主菜单,上一页,下一页,have (has),+,过去分词,现在完成时的主要用法,上一页,下一页,- Its so dark.,-Someone has turned off the light.,(,有人刚把灯关了,对现在造成的结果是,:,现在很黑,),- Are you free,-I have finished my homework. I am free,(我已经完成了家庭作业,对现在造成的结果是很有空),主菜单,1.,表示过去发生的某一动作对现在造成的影响或结果。,上一页,下一页,I have learnt English for more than ten years.我已经学了10多年的英语。,(从10年前开场,持续到现在还在学),She has swum since half an hour ago.,我已经游泳了半个小时,(半个小时前已经开场游泳,到现在还在游),现在完成时的主要用法,主菜单,2.表示过去已经开场, 持续到现在的动作或状态.常与since + 过去的时间点，for + 一段时间，so far 等时间状语连用。,现在完成时的主要用法,1.,表示过去发生的某一动作对现在造成的影响或结果。,2.表示过去已经开场, 持续到现在的动作或状态,现在完成时的,时间状语,常与,already,never,ever,just,yet,before,连用,上一页,下一页,主菜单,up to now,so far,for the last few weeks,these days,since,for a long time,短暂性,动词与时间段的关系,短暂性动词在肯定句、疑问句中,不能与时间段连用,，这些动词是：,become,begin,buy,borrow,come (go, arrive),die,finish,join,leave,等。,上一页,下一页,为了表述这种意思,我们常用相应的,延续性动词,来代替短暂性动词。,主菜单,become be, begin have ,borrow keep, buy have,come (go, arrive, get) be here/there/in，,die be dead, finish be over,join be in be a member of ,leave be away ( from),下一页,上一页,主菜单,但在否认句中，短暂性动词可以与时间段连用。,如：I havent bought the bike for a year.,我买这辆自行车还不到一年。,She hasnt come here for an hour.,她来这儿还没有一个小时。,上一页,下一页,主菜单,翻 译 练 习：,1.,我买了这块手表五年了。,2.,这位老人已经死了十年了。,I,have bought,this watch for five years.,I,have had,this watch,for,five years/,since,5 years,ago.,The old man,has died,for ten years.,The old man,has been dead,for ten,years/since 10,years ago.,W,W,下一页,上一页,主菜单,3.,他已经回来三天了。,4.,自从六点钟他就来这儿了。,5.,我离开家乡已十年了。,He,has come back,for 3 days.,He,has been back,for,3 days/,since,3,days,ago,.,He,has come here,since 6 oclock.,He,has been here,since 6 oclock.,I,have left,hometown for 10 years.,I,have been away from,hometown for 10,years.,W,W,W,下一页,上一页,主菜单,have been 与have gone 的用法比较,have been to 意思是“到过，去过，表示曾经到过某处，但现在人不在那儿。,have gone to 意思是“去了，表示已经去了某地，现在人可能在去的途中或已在那儿了。,have been in 意思是“呆在某处一段时间了,上一页,下一页,主菜单,Has she ever been to Nanjing,她曾去过南京吗？,You have never been there, have you,你以前从未去过那儿，是吗？,I have been to Guiling ,I went there,last year.,我去过桂林，我去年去的。,She has gone to Nanjing.,她已经去南京了。,上一页,下一页,主菜单,与一般过去时的用法比较,一.现在完成时和一般过去时都是说过去的事情，但现在完成时注意的不是事情本身，而是强调事情与现在保持的某种密切联系如现在的结果，影响,一直延续到现在等;而一般过去时，那么只讲述发生在过去的动作和事情与现在没有关系。,上一页,下一页,主菜单,eg,：,He has bought an English-Chinese,dictionary.,他已经买了一本英汉字典。,He bought an English-Chinese,dictionary.,他曾买过一本英汉字典。,上一页,下一页, 第一句用现在完成时时态，想表达意为：“He bought an English-Chinese dictionary. And he still has it “过去他买了一本英汉字典，现在他还有这本字典 。,第二句用过去时只表达过去他买过一本英汉字典这一事实，至于现在他是否有这本字典并未强,调说明。,主菜单,二当有一个表示,过去某一特定时间,的状语时，不用现在完成时，而用一般过去时,:,上一页,下一页,eg:,I saw the film on television,yesterday,.,但since(自以来)+某一过去时间或表达过去事情的从句总是与现在完成时连用。,eg,：,They have known each other,since 1950,.,Since he was a child,he has lived in England.,主菜单,三常与一般过去时连用的典型的,表示过去时间的状语,:,上一页,下一页,yesterday(昨天), the day before yesterday(前天),just now(刚刚)， 时间+ ago,last +时间 等;,eg:,The plane took off ten minutes ago.,We finished our task last week .,主菜单,上一页,现在完成时练习,主菜单,动 词 填 空：,1._ you _(clean) the room,Yes, we _(do) that already.,When _ you _(do) it,We _(do) it an hour ago.,2._ he _(see) this film yet Yes.,When _ he _(see) it,He _ it last week.,3. How many times _you_(be) there,Have,cleaned,have done,did,do,did,Has,seen,did,see,saw,have,been,下一页,上一页,主菜单,4. I _ (read) the novel twice. Its interesting.,5. She _(go) to Pairs, hasnt she Yes.,How _ she _(go) there,She _(go) there by air.,6. So far, many countries _(develop),their software programs.,7.Mr Chen _(give)up smoking last year.,8.Mr Chen _(give) up smoking since last year.,have read,has gone,did,go,went,have developed,gave,has given,下一页,上一页,主菜单,选用,for,和,since,填空,:,1.We havent seen each other _ a long time.,2.His father has been in the Party _ 10 years ago.,3.The film has been on _ 20 minutes.,4.Mr Green has worked here _ he came to China.,5.His grandparents have been dead _ several years.,6. Its five years _ we met last time.,for,since,for,since,for,since,下一页,上一页,主菜单,用,Have been to, have gone to, have been in,填空,Mike and his parents _ the north for half a year.,Mum is not at home now. she _ the shop.,_ you ever _ to kunming Never.,Where _ you _ these days,Has Jim arrived yet,Yes, he _ here for several days.,Where is Peter I dont know where he _.,Hi Jim! Where _ you _ Li Lei,is looking for you.,have been in,has gone to,have been,Have been,has been,has gone,have been,下一页,上一页,主菜单,改 错,1. How long have you begun to study English,2. I have borrowed this book for two weeks.,3. The river has become very dirty since last August.,4. Our manager is away today. He has been to Guangzhou on business.,5. He has gone out for two years.,studied,kept,been,gone,been,下一页,上一页,主菜单,
展开阅读全文