1、Unit 3 The world of scienceUnderstanding ideasRevison1.Match the words with their definitions.1.disappear a things,materials or activities2.eco-friendly b to be no longer able to be seen3.incredible c not harmful to the environment4.stuff d extremely good,large,or great 5.press e to push a button,sw
2、itch etc to makea machines start,a bell ring etcRead about the inventions from famous novels and choose those that have become a reality.Starting outActivity 1 The third and fourth inventions have become a reality.People nowadays can have video chats with each other via mobile phones and computers c
3、onnected to the Internet.And many newspapers have offered their readers free digital editions.Furthermore,live chatrooms make it possible for people to communicate with reporters,statesmen and scientists.Look at the pictures and find the differencesBefore readingWhat caused these changes?Great inven
4、tions(Suggested answersIn the past People lived a traditional and simple life.Much manual work is done by hand.Besides hard living conditions,students studying way is single and passive.Nowadays Technology is one of the most important factors to promote our society to develop from one era to another
5、.Whether you are aware of it or not,every day at every time technology is greatly influencing the way we live and work.Computers,new technology in the 21th century,are the best examplesl Inventions in Ancient China were better than those in the West.l A lot of todays great inventions are tech-based.
6、l Today,most inventors prefer working by themselves.l The desire to solve problems inspires invention.l A time machine will definitely be invented in the future.Choose the sentences that describe Dr Fairhursts opinions.Read para1-4 and fill in the blanks.Read for details old inventionsThere have bee
7、n _ ages of invention throughout history.Great inventions from Ancient China,such as _,changed the world forever.So did the great Western inventions which concluded _.goldengunpowder,papermaking,printing and the compassthe steam engine,the telephone and the radioRead para5-8 and fill in the blanks.R
8、ead for detailsFor the most part,the new great inventions are _._ in virtual reality,wearable tech and the flexible battery suggest further developments._,medicine and environmental science have been more advanced _ increasing computer power.3D printers have been used to _ hearts and bone parts._ th
9、e environment,a smart house _ using GPS can travel to different places.It can also be _because of developed _.tech-basedAdvancesIn addition new inventions featuresthanks tomake replacementIn terms ofcapable ofeco-friendlysolar technologyRead para9-14 and answer the following questions.Read for detai
10、ls inventors1.How do most inventors work today?Most inventors now work as part of big international teams.Recognising a problem that needs a solution,reduced energy supplies and environmental pollution,an incredible desire to think and create.2.What is it that inspires people to invent things?1.Inve
11、ntions in Ancient China were better than those in the West.2.A lot of todays great inventions are tech-based.3.Today,most inventors prefer working by themselves.4.The desire to solve problems inspires invention.5.A time machine will definitely be invented in the future.Read the whole passage and do
12、True or False questions.FTFTFListen to the record and complete the mind map with information from the passage.Ancient China 1virtual realitythe West 2 wearable tech3INVENTIONSINVENTIONSreplacement4made by 3D printersrecognising 758using GPS,computing technology and6gunpowder,papermaking,printing and
13、 the compass the steam engine,the telephone and the radio a problem that needs a solution an incredible desire to think and create the flexible battery hearts and bone parts an intelligent walking house solar technology Language points 1.Welcome v.1.Welcome v.欢迎欢迎 adj.adj.受欢迎的受欢迎的 n.n.欢迎欢迎 They were
14、 at the door to welcome us.They were at the door to welcome us.他们在门口迎接我们。他们在门口迎接我们。Theyre welcome to stay here as long as they like.Theyre welcome to stay here as long as they like.他们在这里愿意住多久就住多久。他们在这里愿意住多久就住多久。The winners were given an enthusiastic welcome The winners were given an enthusiastic wel
15、come when they arrived home.when they arrived home.获胜者凯旋而归时受到了热烈欢迎。获胜者凯旋而归时受到了热烈欢迎。常用句型：常用句型：1 1、“欢迎某人做某事欢迎某人做某事”sb.sb.is iswelcomewelcometotododosthsth，YouYouarearewelcomewelcometotovisitvisitBeijing.Beijing.2 2、“欢迎某人来某处欢迎某人来某处”bebewelcomewelcometotosomesomeplaceplace。欢迎你来我北京（或北京欢迎欢迎你来我北京（或北京欢迎 你）你
16、）(You(Youareare)welcomewelcometotoBeijing.Beijing.3 3、他们热烈地欢迎我们。、他们热烈地欢迎我们。WeWewereweregivengivena awarmwarmwelcome.welcome.TheyTheygavegaveususa awarmwarmwelcome.welcome.2.Its a pleasure to be here.能来到这里我感到很荣幸。it作形式主语的常用句式有：(1)Itbe形容词(possible,strange,natural,important.)to do/that.(2)Itbe过去分词(said,
17、thought,believed,supposed,reported,estimated.)that.(3)Itbe名词短语(a pity,a fact,a wonder,an honor,no wonder.)to do/that.To master a foreign language is necessary.It is necessary to master a foreign language.掌握一门外语很有必要。It is obvious that China can make a difference in the world today and tomorrow.很明显，在今
18、天的世界，甚至以后的世界，中国将发挥它的影响力。It is said that the black hole can swallow anything around,for example the star.据说黑洞可以将周围的一切物体吞食掉，如星星。It is really an honor that a complete stranger would go out of their way for someone they have never met before.一个完全陌生的人不怕麻烦，特地来帮助从未谋面的我们，真是十分荣幸。3.We suggested that the meeti
19、ng(should)be put off.注意：suggest 当表示“暗示、表明“讲时，不用虚拟语气The smile on his face suggested that he was satisfied with our work.他脸上的表情表明他对我们的工作很满意4.For example,advances in virtual reality and wearable tech,as well as the flexible battery,mean we should soon be seeing further developments.句意：例如，虚拟现实和可穿戴技术的进步，
20、以及 塑性电池，意味着我们应该很快看到进一步 的发展。as well as(就远一致原则)。I as well as my parents am fond of music.类似的词有:with,together with,along with,besides,including,except,but，rather than together with,along with，with,besides,including，as well as except,but，rather than 包含在内 不包含在内 5.In addition,important advances have been
21、made in medicine and environmentalscience thanks to increasing computer power.句意：此外，由于计算机功能的增加，医学和环境科学也取得了重要的进展。in addition 此外，另外此外，另外in addition用于衔接上下文，可用于句首，也可以用于用于衔接上下文，可用于句首，也可以用于句中或句尾，用于句首或句中时要用逗号隔开。句中或句尾，用于句首或句中时要用逗号隔开。(1)单句语法填空 In addition to _(give)a general introduction to computers,the cou
22、rse also provides practical experience.答案：giving(2)用addition的相关短语填空 _，we can gradually develop a closer friendship while enjoying these activities._ an album,I gave him a pen and a pencil.答案：In additionIn addition to 6.in terms of 就来说；从角度 come to terms with与达成协议；对妥协 be on good/bad terms关系良好/不好 in th
23、e long/short term就长远/短期而言 The survey results are analyzed in terms of the respondents sex,age and nationality.这项调查的结果是从受采访者的性别、国籍、年龄这三个方面来分析的。In terms of consumer satisfaction，the policy cant be criticized.就顾客满意度而言，这一政策不应该被批评。8.ItIt isis capablecapable ofof usingusing GPSGPS technologytechnology tot
24、o traveltravel toto differentdifferent places,places,withwith computingcomputing technologytechnology controllingcontrolling itsits “legs”.“legs”.句意：智能步行屋能使用GPS技术去到不同的地方，并通过电脑科技控制“腿”。with 复合结构：with+宾语+宾补（doing/done/to do）control 和 computing technology 为主动关系done 表 被动、完成 to do 表 未发生例1：With the broken
25、roof _(repair),the house is comfortable to live in.例2：With the broken roof _(repair),we had to turn to the repairman.repairedto repair 9.Whats more,huge advances in solar technology mean it can be ecofriendly,too.更重要的是，太阳能技术的巨大进步意味着它也可以是环保的。whats more意为“而且；此外；更有甚者”，常用作插入语，相当于besides,moreover,in addi
26、tion等，可位于句首或句中。whats worseworse still/to make things worse更糟的是 Bicycling is a good form of exercise;whats more,it doesnt pollute the air.骑自行车是一种很好的运动方式，而且不污染空气。天要黑了。更糟糕的是，雨越下越大。Its getting dark._，its raining harder and harder.Its getting dark._，its raining harder and harder.Its getting dark._，its ra
27、ining harder and harder.答案：To make things worseWhats worse Worse still9.So what is it that inspires us to invent things?句式分析句式分析 本句为本句为“强调句强调句”，So it is what that inspires us to invent things?其基本结构为其基本结构为“Its+被强调部分被强调部分+that/who+.”。(注意强调句中的连接词一般只用注意强调句中的连接词一般只用who（指人）或（指人）或that（可指物，也可指人（可指物，也可指人）。）。
28、本句中特殊疑问词本句中特殊疑问词what 代替了被强调代替了被强调部分，故形成部分，故形成“What is it that+.?”.10.lead to 导致 lead to some place通往某地lead to ones/one doing sth.导致某人做某事lead sb.to sth.使得出(观点)；引导某人lead sb.to do sth.带领某人做某事；导致某人做某事 As is known,only working hard leads to happiness.众所周知，只有努力才能获得幸福。What do you think lead him to make suc
29、h great progress in such a short time?你认为什么使他在如此短的时间内取得了这么大的进步？表示“导致，造成”的其他短语还有：result in，contribute to，bring about。11.I think youve been watching too many movies!句意：我觉得你看了太多电影了！have/has been doing为现在完成进行时结构表示动作从某一时间开始，一直持续到现在，或者刚刚终止，或者可能仍然要继续下去。例1：The Chinese _(make)paper for two thousand years.例2：I _(work)here for five years.have been makinghave been working summary 欢迎某人做某事欢迎某人做某事 it it作形式主语的常用句式作形式主语的常用句式 as well as as well as in terms of in terms of with with 复合结构复合结构 强调句强调句Homework 1.Read the text after class.2.Finish our test paper.
