幻灯片-沪教牛津版七年级英语第四单元save-the-trees复习.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,*,Save the trees,拯救树木,-Miss Xu,1,重点单词掌握,2,重点单词复习,单词：,save,pine,discuss,branch,fight,against,example,harmful,gas,produce,oxygen,major,convenient,furniture,imagine,disease,3,重点单词掌握,一、,save,v.,拯救,gas,n.,气体,pine,n.,松树,produce,v.,产生；生产,discuss,v.,讨论,oxygen,n.,氧气,branch,n.,树枝,major,adj.,主要的,fight,v.,与,作斗争,convenient,adj.,方便的,against,prep.,反对,furniture,n.,家具,example,n.,例子,imagine,v.,想象，设想,harmful,adj.,有害的,disease,n.,疾病,4,重点短语复习,in many ways,take in,come from,for example,in fact,look around,be made of,millions of,stop doing sth,be good for,as a result,cut down在许多方面,吸收,来自,例如，举个例子,（补充细节）确切的说，实际上,环顾四周,由,.,制成,大量的，数以百万计的,停下做某事（正在做的事情）,对,.,有益，对,.,有好处,结果，因此,砍到,5,重点单词讲解,1.save,除了意为,“,拯救,”,，,还有,“,节省；储蓄,”,的意思。,You should do your best to,save the person,.,你应该尽你最大能力去解救这个人。,It will save a lot of money.,这会节省很多钱。,Children should learn to save.,孩子们应学会储蓄。,save money,“,存钱”。,6,2.discuss v.,讨论,【,用法,】,可构成词组：,discuss sth.with sb.,意为“,和某人讨论,某事”。,He will,discuss the problem with me.,他和我讨论这个问题。,【,拓展,】,discuss,的名词形式是,discuss,ion,.,“,和某人讨论”可说成,“,have a discussion with sb.,”,7,fight v.,与,作斗争，打架,【,用法,】,fight,的过去式为,fought,；,fight,可做不及物动词，如,fight against,“,与,作斗争”,fight for,“,为,而战”,.,They fought against the enemy.,与敌人作斗争。,fight,也可做及物动词，“与,作斗争”，直接跟宾语。,They fought the enemy bravely.,勇敢与敌人作斗争。,fighter“,战斗者”,。,fire,fighter,消防员,8,against,prep.,反对,Against,是介词，反义词为,“,for,”,意为“支持，拥护”,Are you against or for the plan?,你是支持还是反对这个计划？,9,harmful adj.,对,有害的,【,用法,】,Be harmful to,对,有危害,Smoking,is harmful to,your health.,吸烟有害健康。,harm n.,损害；伤害,-ful,是表,肯定的,形容词后缀,，,-less,是表示,否定的,形容词后缀,。,harmless“,无害的”,This experiment was,harmless,to the animals.,这个试验不会对动物造成伤害。,Trees take in _,（,harm;harmful;harmless,）,gas from the air.,答案：,harmful,10,produce v.,产生；生产,produc,e,，,及物,动词,，,意为“产生；生产”，后直接接宾语。,The factory produces 1000 cars a year.,这家工厂每月生产,1000,辆汽车。,produc,t,不可数,名词,，,意为“产品，,(,尤指）农产品”。,He took the product to the market every Sunday.,他每周日把农产品送到市场上。,11,practi,s,e,练习,【,用法,】,宾语可以是名词，代词或动名词,You must practise,speaking,English every day.,你必须每天练习说英语。,practi,c,e,作不可数名词，意为“练习”，指经常性或系统的重复练习。,Playing the piano needs a lot of practice.,弹奏钢琴需要多加练习,.,12,convenient adj.,方便的,【,用法,】,convenient,意为“使人感觉方便的”,be convenient for/to sb,.,对某人来说很方便。（改错题）,When are you convenient?,答案：,When is it convenient for you?,思路分析：,convenient,不可直接说“人很方便”。,13,imagine,v.,想象；设想,【,用法,】,imagine sth./,doing,sth.,“,想象某事,/,做某事”。,I,imagine living,in a house with a big garden.,我设想住在一所带大花园的房子里。,14,即学即用,从方框中选择适当的单词完成下列句子。如有必要，须改变单词的形式。每个单词仅用一次。,disease,imagine,convenient,produce,save,harmful,against,discuss,fight,major,1._yourself to be on a desert island.,2.Please call me when it is _for you.,3.Water exists in the soil in three _ forms.,4.I realized from his remarks that he was _the plan.,5.The _is spreading.,6.We _ them and take care of them.,7.Dont _ with him!He is a mad man.,8.Plants _ oxygen for us to breathe.,9.Freezing winter is _ to orange trees.,10.I have no time to _ your problems.,答案：,1.Imagine 2.convenient 3.major 4.against 5.disease,6.save 7.fight 8.produce 9.harmful 10.discuss,15,【,短语学习,】,1.,in many ways,在许多方面,way,可数名词，“方面，方式，道路”,.,Do it in your own way.,按你自己的方法去做吧,.,Its the best way to study English.,这是最好的方式去学习英语。,The little boy asked me the way to the park.,小女孩问我去公园的路。,by the way,顺便说一下,16,take in,吸收,用法,】,take,的过去式是,took,take in,除了当,“吸收”,讲，还有,“领会”,的意思。,it easy to,take in,the meaning of the word.,很容易去领会这个单词的意思。,take off,脱下；起飞,take care of,照顾；,take away,拿走,17,come from,来自,【,用法,】,come from,的同义词组是,be from,.,【,考题链接,】,Where are you from?,（同义句转换）,Where _ you _ _?,答案：,do;come from,思路分析：,come from,和,be from,同义。,18,in fact,事实上,【,用法,】,in fact,的同义词组是,as a matter of fact,。,In fact(As a matter of fact),I didnt have anything.,事实上,我什么也没有。,19,do ones best to do sth,尽某人最大的努力做某事,do,ones best to do sth=,try,ones best to do sth,我们应该尽我们全力学习英语。,We shoule,do/try,our best to learn English,。,Protect,动词“保护”，常与介词,from,连用。,Protectfrom,保护,免受,的伤害,戴太阳镜可以保护眼睛免受太阳的照射。,Wearing sunglasses can protect your eyes from the sun.,20,【,用法,】,look around,也可说成,look round,。,【,考题链接,】,You ought to go and _in that big store.,A.look for B.look around C.look at D.look down,look around,环顾四周,四处看看,B,21,be made of,由,制成,【,辨析,】,be made,ofbe made,from,两个词组都有“由,制成”的意思。,be made of,被制成的东西,能,看出原材料,。,The desk,is made of,wood.,桌子是由木头制成的。,be made from,被制成的东西,看不出原材料,。,The paper,is made from,wood.,纸是由木头制成的。,be made in,在,地方制造,22,millions of,大量的；数以百万计的,【,用法,】,million,前如,有数词修饰,则不能变复数，如两百万应说成,“,two million”,.,当表示一个笼统的概念时，,hundred,thousand million,等常用复数形式，且与介词,of,使用,修饰可数名词复数。,23,stop doing sth.,停止做某事,【,辨析,】stop doing sth.,和,stop to do sth.,stop doing sth.,停止做某事，指,停止做原来的事情,。,Hearing the doorbell,she,stopped washing,the dishes.,听见门铃声，她停止洗碗了。,stop to do sth.,停下（手头的事情）去,做另外一件事,。,Hearing the doorbell,she stopped to open the door.,听见门铃声，她停下手中的活去开门。,【,拓展,】,stop,还有名词词性，意为,“车站”,24,be good for,对,有用；有好处,【,用法,】,be good for,的反义词组是,“,be bad for,”,对,.,有害,【,辨析,】,Be good for,对,有益,后接收益的对象,Drinking milk is good for your health.,喝牛奶对身体有好处,Be good to,对,好的,后接所对待的对象,He is good to us.We all like him.,他对我们很好，我们都喜欢他,Be good with,善于与,相处,后接所对待的对象,She is good with children.,她善于和小孩相处。,25,【,即学即练,】,从方框中选择适当的短语完成下列句子。如有必要，须改变短语的形式。每个短语仅使用一次。,in many ways,come from,be made of,be good for,take in,for example,in fact,millions of,look around,stop doing sth.,1.It will _ her to be out in the sun.,2.How old are you and where do you _?,3.The air is full of _ invisible germs,（微生物）,.,4._ I am not interested in maths.,5.It may _ cloth.,6.Shanghai is different from Nanjing_.,7.Fish _ oxygen through their gills.,8.Football,_,is very popular in the world.,9._,and you can notice a car.,10._ reading your book.There is someone knocking at the door.,答案：,1.be good for e from 3.millions of 4.In fact 5.be made of,6.in many ways 7.take in 8.For example 9.Look around 10.Stop,26,重点句型,1.They provide us with wood,fruit.,它们给我们提供木头，水果。,【,句子分析,】,provide sb.with sth.=provide sth.for sb.,27,2.They keep the air cool and clean.,它们保持空气凉爽，干净。,【,句析,】,此句中的,keep,意为“使维持（某种状态）”。常构成如下句式：,1keep+,名词,+,形容词,keep the classroom,clean,保持教室干净,2.keep+,名词,+doing,【,例句,】,She,kept me waiting,for a long time.,她让我等了很长时间。,28,3.Trees also make our lives more convenient.,树也使我们的生活更方便了。,【,句析,】,此句中,make,意为“使,怎么样”。常构成如下句式：,1,）,make sth./sb.+,形容词,【,例句,】,He tried to make them happy.,他设法使他们高兴。,2,）,make+sth./sb.do,【,例句,】,He,made me stay,with him.,他让我和他在一起。,How did you,make the baby stop,crying?,凌风是怎样使婴儿停止啼哭的？,29,【,即学即练,】,【,考题链接,】,1.We _ the students in that place with school things.,A.gave B.take C.bring D.provide,2.We should do more exercise to keep us _.,A.health B.healthy C.unhealthy D.ill,3.We are trying to make our city _.,A.to become more beautiful B.to be less noisy,C.more beautiful D.becoming less noisy,4.We often make him _ our children.,A.help B.to help C.helping D.helped,答案：,1.D 2.B 3.C 4.A,30,单词辨析,Besides,与,except,Besides,意为“除,之外（还有）”,Except,意为“除,之外”，有排除的含义,Five people are late besides me.,除了我之外，还有五个人迟到了。,He gets up early every day except Sunday.,他每天早起，除了星期天。,31,动词的,-ing,形式,主要动词,-ing,形式,例子,大多数动词,加,-ing,feel-feel,ing,以,-e,结尾的动词,去,e,，加,ing,write-writ,ing,以,-ie,结尾的动词,去,ie,，加,-ying,lie-l,ying,一些以一个元音字母,+,一个辅音字母结尾的动词,双写这个辅音字母，加,-ing,run-run,ning,32,重点语法,现在进行时,其结构 是“,be,（,am,is,are,）,动词的现在分词”。表示说话时正在进行的动作，也表示目前一直进行的动作。,1.,表示正在进行的动作，常和,now,right now,at this moment,等时间状语及动词,look,listen,等连用。,Look,！,She is cleaning the room now.,看，她现在正在打扫房间。,2.,表示目前一段时间内一直发生的动作，但是说话时不一定正在发生，常和,these days,this week,at present,等时间状语连用。,They are working on the farm these days.,这些日子他们都在农场工作。,3.,一些表示状态和意愿的动词，如,like,want,know,think,have,等不能用于现在进行时。,I want to go home now.(,不能说,I am wanting to go home now),我现在想回家。,33,34,