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1、Unit 4 Our world,Revision,Topic1 we share the world with plants and animals 一.重点短语 1.sharewith 与共享 2.play with 玩弄，玩耍 3.in danger 在危险之中 4.feed on 以为食 5.think about 考虑，思考 6.enjoy nature 享受自然 7.at night 晚上 8.in the daytime 白天 9.summer vacation 暑假 10.thousands of 成千上万 11.in fact 事实上 12.find out 查明，发现 13
2、.in nature 在自然界,二.重点句型1.think about 思考、考虑 think over=think about carefully 仔细考虑 好好想想，你就会有个好主意。_ it _,then you will have a good idea.(2)think of 认为 想起 与think about 不同。What _ you _ _ the film?你认为这部电影如何？Im _ _ buying a new dictionary.我正考虑买本新词典。Please _it _ before you answer my question.请仔细考虑再回答我的问题。,2.
3、be important to sb对某人来说很重要 be important for sth对某物来说很重要 Water is important _(to/for)us.水对我们来说很重要。Doing sports is important _(to/for)our health.Its important for sb to do sth.做某事对某人来说很重要。学好英语对我们来说很重要。Its important_(to/for)us _(learn/to learn)English well.3.sharewith 与分享 我们与动物一起分享一个世界。We the same worl
4、d animals.,4.百分数的读法：基数词+percent 80%:eighty percent 90%of the students in his school _ from the countryside.70%of the apple _ bad.5.cover v.覆盖 coverwith 用覆盖 be covered with/by 被覆盖Trees _ most parts of the island.树木覆盖着这个岛的大部分。The island _ trees.树木覆盖了这个岛屿。They _her _ a coat.他们给她盖上了大衣。,6.thousands and t
5、housands of 成千上万 millions of 数百万thousands of 数以千计 hundreds of 数以百计 3 hundred(三百）five thousand（五千）10 million（一千万）8 billion（八十亿）（具体数字后数量单位不加 s)There are _ _ stars in the sky.天上有数百万颗星星。There are _ _ students in our grade.我们年级有六百个学生。There are _ books in the library.A.five thousands B.thousand of C.five
6、thousands of D.five thousand 7.in the tree（in外来物）on the tree（on长在树上）There are many birds _(on/in)the tree.There are many apples _(on/in)the tree.,8.protect v.保护 protect sth./sb.from sth.保护某物/某人免于 The umbrella can _ her face _ the sun.这把伞可以保护她的脸免受太阳光照射。9.without 介词，“没有”的意思，反义词是with.如：He is a man with
7、out friends.Jane went to school _ breakfast yesterday.He went out _ _ a word(没有说一句话),10.feed v.喂，养;过去:fed feed on 以为食 I _the dog yesterday.我昨天喂过狗了。Pandas _.熊猫以竹子为食。feed sth.to sb./sth.把喂给吃 She _ milk _ the baby.她把牛奶给了孩子喝。feed sb./sth.with sth.拿来喂 The children _ the monkey_a banana.孩子们正用香蕉喂猴子。11.dang
8、er n.危险；dangerous adj.危险的 反义词：safe in danger 处在危险中，out of danger 脱离危险；They planned to save the animals _ _.他们计划拯救处在危险中的动物。The doctor said she was _ _ _.医生说她已经脱离危险。,三.语法学习,三.语法学习（一.）形容词的比较级和最高级的构成.规则变化：（1.）一般在词尾加er或est.如：freshfresherfreshest.（2.）以字母e结尾的形容词，加r或st,如：latelaterlatest.（3.）以重读闭音节结尾的词，词尾只有一
9、个辅音字母时，应双写这一辅音字母，再加er或est.如：bigbiggerbiggest.（4.）以辅音字母y结尾的双音节词，先改y为i，再加er 或est.如：happyhappierhappiest.（5.）部分双音节词和多音节词前面加more或most构成比较级或最高级。如：carefulmore carefulmost careful,beautifulmore beautifulmost beautiful.不规则变化：good/wellbetterbest,littlelessleast,many/muchmoremost,bad/illworseworst,farfarther/
10、furtherfarthest/furthest.,（二.）形容词的比较级和最高级的用法.比较级或，经常与than搭配，或给出比较的二个内容。可用much和a little修饰.三者或三者以上比较用最高级，一般给出比较范围如：of（in）。(1)例句：Im happier than you.我比你更快乐。Plants are much more beautiful than animals.植物比动物漂亮的多。()例句：The boy is the tallest in my class.这个男孩是我们班最高的。Lesson Two is the most important of all.第
11、二课是所有中最重要的。,Homework 12.17,1.朗读课文每天5遍（周五、周六、周日），每天默写Unit4 Topic2单词1遍发至微信群里。2.背诵所发资料上的重点短语和句型。3.听微信群里的听力材料1遍和完成练习题。,Topic 2 What can robots do for us?一.重点词语1.take the place of 代替，取代2.instead of 代替，而不是3.mistakefor把错当4.seem to do 好象，似乎5.call for 要求6.wake sb.up 将某人叫醒7.see sb.doing sth.看见某人正在做某事8.use sth
12、.for sth./doing sth.利用某物做某事9.spendon 在上花费时间或金钱10.be sure of 确信11.these days 现在，目前12.in alphabetical order 按字母表顺序排列13.look up 查阅14.pay attention to 注意，专心15.begin with 以开始16.and son on 等等17.switch on 开（电灯，机器等）18.ask（sb.）for sth.向要,三.语法学习（一.）现在进行时与过去进行时的区别：.现在进行时表示现在正在发生或正在做的事情，基本结构be现在分词。如：肯定句：The rob
13、ots are making a car now.这些机器人正在生产小汽车。否定句：We are not studying on the Internet.我们没有在互联网上学习。疑问句：Is the teacher looking up the word in the dictionary？这个老师正在词典中查这个词吗？特殊疑问句：ho am I talking to？我在和谁谈话？,.过去进行时表示过去某一时间，正在发生或正在做的事情。基本结构was（were）现在分词。肯定句：hen he came in,I was writing a letter.当他进来时，我在写一封信。否定句：T
14、hey werent watching TV while she was reading.她读书时，他们没在看电视。疑问句：Was the UFO flying to us at 8 last night?昨晚点UFO向我们飞来了吗？特殊疑问句：What were you drinking while we were sleeping?我们睡觉时，你们在喝什么？进行时态往往用在时间状语从句中，常与when,while等连词搭配。,（二.）be sure结构表示肯定和不肯定。be sure一般用来表示肯定，be not sure（whether/if）表示不肯定。be sure后面可以跟不定式和
15、宾语从句。跟不定式一般译为“一定”，跟宾语从句，译为“确信”。如：We are sure to repair the TV well.我们一定修好这台电视机。Im sure you can finish your work.我确信你能完成你的工作。Are you sure whether（if）he switched the computer on?你确信他打开还是没有打开电脑？,Topic 3 There are many old city walls in Beijing,arent there?一.重点词语1.more than 超过2.pull down 推倒，拆毁3.heavy tr
16、affic 交通繁忙4.wear out 磨损，用坏5.used to do sth.过去常常做某事6.do ones best 尽（某人）最大努力7.live models 真人模型8.the ancient world 古代9.be made up of 由组成10.jointogether 把连在一起11.regardas 把看作12.be worn out 被损坏,二.重点句型1.Lots of them were pulled down in the 1960s.他们当中许多在二十世纪六十年代被拆毁。2.People thought them useless.人们认为它们没有用。3.
17、Its really too bad.这太遗憾了。4.We are doing our best to protect and rebuild the old city walls.我们正在尽全力保护并重建老城墙。5.It is one of the“seven wonders”of the ancient world still standing.它是现存的古代“七大奇迹”之一。6.It took 100,000 people over 20 years to build it.修建它花了10万人二十多年的时间。7.Since then,people regarded the Great W
18、all as a symbol of the Chinese nation.从那以后，人们就把长城看作是中华民族的象征。8.Every year many people find great pleasure visiting the wall.每年有许多人参观长城，从中得到极大乐趣。,三.语法学习反意疑问句：由陈述句（或祈使句、感叹句）加一个简短问句构成的疑问句叫反意疑问句。实质是前面陈述句的反问句。一般对应规律：前肯后否；前否后肯。即陈述部分为肯定形式，附加问句用否定形式；陈述部分为否定形式，附加问句用肯定形式。如：There are many pyramids in Egypt,aren
19、t there?在埃及有许多金字塔，不是吗？Sally visited the Great Wall last month,didnt she?萨莉上个月参观了长城，不是吗？He doesnt realize the importance of saving water,does he?他没有意识到节约用水的重要性，是吗？,特例点拨：Im your good friend,arent I?我是你的好朋友，不是吗？I dont think you can rebuild the house,can you?我认为你不能重修这座房子，是吗？（I dont think主要在说think后的内容，故按
20、从句变化）。陈述部分有nobody,nothing,never,no,few（没几个），little（几乎没有），hardly（几乎不）等否定或半否定词时，仍视为否定句。根据反意疑问句对应规律，疑问部分用肯定形式。如：There is nothing in the room,is there?屋子里什么也没有，是吗？Maria never surports me,does she?玛丽亚从未支持过我，是吗？He had few apples,did he?他几乎没有苹果，是吗？,祈使句的反意疑问句：无论肯定或否定，通常在祈使句后加上will you?如：Please close the door,will you?请关门好吗？Dont tear down the old walls,will you?不要拆毁古墙，好吗？但以Lets开头的祈使句用shall we?如：lets make a survey,shall we?我们做个调查，好吗？,
