1、Unit 4 Breaking boundaries班级: 小组: 姓名: 小组评价: 教师评价:【预习指导】1.Look up the new words in the dictionary2.Log on to the Internet to know about the background of this unit.【学习目标】1.Words , phrases and sentence structures of this unit.2.Have a good command of the main idea of the text.3.Grammar:It as an empty
2、subject【使用说明】1.First refer to the exercise book and master the important points of this unit.2.Do more exercises to strengthen the understanding of the grammar.【重点难点】1.How to tell the difference between it as an empty subject and empty object. 2.Finish a passage using it.【预习自测】Section CDeveloping id
3、eas & Presenting ideas & Reflection基础夯实.单句填空1.The company was named Gates Hall memory of a man named James Gates.2.Great changes (take) place in our school in the past two years.3.Yuan Longping has been struggle for Chinese farmers over the past decades.4.He tried vain to persuade his father to give
4、 up smoking.5.The captain as wellhis team was interviewed shortly after they won the gold medal.6.Recognised as a well-known journalist,he is always (engage) in covering a story in the world.短语填空carry on;lead to;talk about;thousands of;change ones mind;step by step;at that time;carry out;set down;br
5、ing forth1.His brothers sent him letters trying to persuade him to .2.What was worse,he even didnt have the intelligence to call for an ambulance .3.During the time in the hidden place,Anne a series of facts in a diary.4.The PRC has made the impressive leap,the “China miracle” that has astonished th
6、e world.5.Some of the students had learned enough English to a conversation with a native speaker of English.6.Many people like to generation gaps.I dont think there is one in my family,though.7.He failed to some items of the contract,and now he has to answer for the consequences.8.Landing safely in
7、 bad weather is a tricky task for any pilot,and even the smallest error can a disaster.9.I think they developed their ideas logically.10.The earthquake gave rise to people losing their homes.完成句子1.该系统的发展使适应人们的日常需求成为可能。The development of the system peoples day-to-day needs.2.那本书收录了他的50首诗,其中多数创作于20世纪3
8、0年代。The book contains his 50 poems,most of which were written .3.从某种程度上,庞贝就像一个“时间胶囊”,保存着历史上冻结的时刻。 ,Pompeii is like a “time capsule” preserving a frozen moment in history.4.人人生而平等 ,无论是黑人还是白人,男人还是女人。 ,no matter whether theyre black or white,men or women.5.曼德拉(一生)致力于人类自由与平等,于2013年12月5号去世。Devoted to fre
9、edom and ,Mandela passed away on December 5,2013.素养提升.阅读理解At one time or another in your life you have probably done origami,even if it was just making a paper airplane or something more complicated like a paper crane.The chances are that as you did it,you reflected on how inventive this traditional
10、 art is.Animals,boxes,flowers,boats: it all can be created from a single square or rectangular sheet of paper simply by folding it.No cutting,no pasting.But did you ever stop to think how the same techniques might be applied to engineering?Equipment that could be of real practical use?Origami meets
11、the demand for things that need to be small when transported and large when they arrive,like the everyday umbrella.In fact,origami-inspired creations have already flown in space;in 1995,Japanese engineers launched a satellite with solar panels folded like a map.“Its now mathematically proven that yo
12、u can pretty much fold anything,” says physicist Robert J.Lang,who quit his engineering job eight years ago to fold things full time.Lang,an origami enthusiast since age six,advised a well-known car manufacturer the best way to fold an airbag into a dashboard.He is currently working on a space teles
13、copes lens that,if all goes according to plan,should be able to unfold to the size of a football field.At the other end of the scale,researchers are also working on tiny folding devices that could lead to breakthroughs in medicine and computing.Theres no doubt that computers of the future may contai
14、n tiny,folded motors or capacitors for faster processing and better memory.Applications for origami engineering go further than many of us might imagine.“Some day,” says MITs Erik Demaine,“well build reconfigurable (可重构的) robots that can fold on their own from one thing into another,like Transformer
15、s.Too much like science fiction to be true?Maybethough you certainly wouldnt want to bet against it.”【语篇解读】这是一篇说明文。折纸是一种具有创造性的传统艺术,而现在它已经被应用到技术工程领域,人们利用折纸原理创造出了很多可折叠的装置。折纸工程将在很大程度上影响未来的医药、计算机和机器人行业。1.What do we know about origami?A.It consumes lots of time.B.It involves interesting ideas.C.It requir
16、es complex techniques.D.It has to do with cutting and pasting.2.Which of the following is an application of origami?A.A space telescopes lens can be folded to the size of an umbrella.B.A satellite is equipped with solar panels and a folded map.C.An airbag can be better folded into a dashboard of a c
17、ar.D.A future computer contains many huge folded motors.3.What is Erik Demaines attitude towards origami engineering?A.Hopeful.B.Doubtful.C.Disapproving.D.Ambiguous.4.In which section of a newspaper may this text appear?A.Entertainment.B.Culture.C.Education.D.Pop-science.应用文写作假如你是李华,正在一所美国学校参加暑期夏令营,
18、遇到一些学习或生活上的困难,希望得到学校辅导中心Learning Centre的帮助,根据学校规定,你须书面预约,请按照下列要点写一封信:1.本人简介2.求助内容3.预约时间注意:词数100词左右;开头和结尾已给出。可适当增加细节,以使行文连贯。Dear Sir or Madam,I am Li Hua,Yours,Li Hua.读后续写A friend of mine whose name was John Smith had a bad memory,which made him famous.He was so forgetful that he sometimes forgot wha
19、t he was talking about in the middle of a sentence.His wife had to constantly remind him about his meetings,his classeseven his meals!Once he forgot he had eaten breakfast twice,at home and at school.His wife liked to remind her neighbours,“If John didnt have his head tied on,he would forget that to
20、o!” Since Smith was a professor at a well-known university,his forgetfulness was often an embarrassment to him.It wasnt that he was not clever,as some critical people tended to say,but just very very absent-minded.One hot summer day,Professor Smith decided to take his children to a seaside town abou
21、t a three-hour train ride away.To make the trip more interesting for his young children,he kept the name of the town a secret.However,by the time they arrived at the station,Smith forgot the name of the town he was planning to visit.Luckily,a friend of his happened to be in the station.He offered to
22、 take care of the children while Smith hurried back home to find out where he was going.The professors wife was surprised to see him again so soon.“Oh,my dear,I forget the name of the town.”“What?You forget the name?Maybe one day you will forget my name!Now Ill write the name of that town on a piece
23、 of paper,and you put it in your pocket and please,please dont forget where you put it.”Satisfied that she had solved the problem,she sent her husband off again.Ten minutes later she was astonished to see him outside the house for the third time.Paragraph 1:“What is the matter now?” asked his wife.Paragraph 2:Hearing the cry,out rushed their neighbours,trying to find out what had happened.