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1、Unit 4 Amazing Science Topic 1 When was it invented?,Section D,岗脂抄臂盟坡摆印灶诧婶喻稻裤肪市老惜疏幌遵绽速蜘莎鼓典防蹋卒涂辣Unit4Topic1SectionD(2)Unit4Topic1SectionD(2),Whats it used for?Its used for listening to music.Whats it made of?Its made of plastic.Where was it invented?It was invented in Korea.When was it invented?It wa
2、s invented in 1998.,夕找蓄警胖义照褂浇播布俱煌桔嫌无描泡耸豁烯炎姨堪惺廊耗聪硕沽面傀Unit4Topic1SectionD(2)Unit4Topic1SectionD(2),Whats it used for?Its used for communicating easily.Whats it made of?Its made of plastic and metal.Where was it invented?It was invented in America.When was it invented?It was invented in 1973.,写翰柏姻狈过岭扬潮
3、欣蠢咯圣炙根溅甜无复兜切浚惮蝉科壕豫姨邪柠汕拴Unit4Topic1SectionD(2)Unit4Topic1SectionD(2),What method did you use to find your lost cellphone?,GPS is like a man-made star.We can use it at any time,in any place and in any weather to find out our position.The early explorers used the stars as landmarks to know where they w
4、ere and in which direction they were going.This method worked well at night as long as the weather was good.But it didnt work so well during the rest of the time.,Lets use the GPS.,n.探险者，勘探者,圆贺安审百挖章钟抓岔刷颠纸靴顺潜薪殆烟硬闻痪脊奶俘重紧吏辟茹矩奉Unit4Topic1SectionD(2)Unit4Topic1SectionD(2),1.How did the early explorers kn
5、ow where they were?They found out where they were by using stars.2.Whats the disadvantage of using the stars as guiding marks?Its disadvantage is that it didnt work well when the weather was bad and the stars could not be seen.3.What is a GPS?Is it useful to use?It is like a man-made star.We can use
6、 it at any time,in any place and in any weather to find out our position.It is very useful.4.What do you think the GPS will be used for in the future?,Read the passage and discuss the questions on Page88.,爸休耿艘遏奔皖句厦砚哈痒佣苑驯巡吠诲馏贡际了熏洞辊札托牵汪微词她Unit4Topic1SectionD(2)Unit4Topic1SectionD(2),Key words,exploree
7、xplorer,mark find out,indirection work well,as long asthe rest of the timesolve,like,use,the shape of great invention,n.标示，记号，符号 v.做记号，做标记,Retell it!,彬锤跑忽颠侩颇宠册谤厚玲庸子创柴问傈蚌粟伞学挫侣晓稚伶统燎竞赦哮Unit4Topic1SectionD(2)Unit4Topic1SectionD(2),根据首字母提示，完成短文。Thanks to GPS,we can exactly know w _we are now.GPS is like
8、a man-made“star”.It can be u_ in any place and any weather condition to find out our p_.In the past,the early explorers had to use stars in the s_ to tell them where they were,however,this method didnt work well when the weather was bad.So GPS is a great invention that can help humans to better e_ o
9、ur planets.,here,osition,sed,ky,xplore,Exercise,扔爆脂童芭挤懊迁陷维很愧檀刨徘佐铬轮卫苦轨捆廖乏鸭漫锗它矗黎飘荣Unit4Topic1SectionD(2)Unit4Topic1SectionD(2),Grammar,Passive Voice(),The radio was invented by Guglielmo Marconi in 1895.,When was the digital camera developed?Where was it developed?What is a rocket used for?,It was dev
10、eloped in the 1970s.It was developed in Japan.It is used for sending satellites or spaceships into space.,烂鲍浴继憨铀嘎堑蔽胃正坝瓜骆在传缝骚搂额帧宛械舞麓通韭嗜鞠忧谱泡Unit4Topic1SectionD(2)Unit4Topic1SectionD(2),Functions,族呵萄晰晋击函汀外讳樱惋档塌锋号漏窑掷冰陵腿虫兜误蜀活嘻鄙合徐钨Unit4Topic1SectionD(2)Unit4Topic1SectionD(2),Passive voice was/were+done()1
11、.A big supermarket _in our city last year.A.is built B.were built C.was built()2.Could you tell me who the radio _ by?A.invents B.invented C.was invented()3.Many trees and flowers _ in our school last year.They made our school more beautiful.A.have planted B.were planted C.planted()4.The children _
12、swim last month and they can swim very well now.A.are taught B.were taught C.were taught to()5.It is said that potato chips _by mistake about one hundred years ago.A.were invented B.invented C.are invented,C,B,C,A,C,Grammar exercise,术卤汇财闪哗豢闻参肪睬齿减耙苍窜爱筒箕驭泻跟培算梭晾忍殴许遗艘姜Unit4Topic1SectionD(2)Unit4Topic1Se
13、ctionD(2),1.You are late,all the tickets _(sell)out an hour ago.2.This type of cellphone _(make)in Shenzhen.3.I _(not invite)to yesterdays party.4._ those machines _(check)this morning?5.Many trees and flowers _(plant)in our school last year,and they made our school a beautiful garden.,were sold,wer
14、e made,were/was+v.的过去分词,Exercises,wasnt invited,Were,checked,were planted,馆超浦处骗渺翻齿讣巡搓闭任就狄炯宅亡钦但吓贤皱册檀镀睡兹纫末奋裕Unit4Topic1SectionD(2)Unit4Topic1SectionD(2),1.People use radios to learn English in the past._2.Jack will show me the photo._3.They have raised much money for the Project Hope._4.I often hear M
15、ary sing English songs at home._5.We mustnt throw litter about._6.People can visit planets like Mars._,Radios were used to learn English in the past.,The photo will be shown to me.,Much money has been raised for the Project Hope.,Mary is often heard to sing English songs at home.,Litter mustnt be th
16、rown about.,Planets like Mars can be visited.,Change the following sentences into Passive Voice.,纬舀啦边跺冷霸囚泪硒钧汝祷户堡援苗涕隐挥堆果秃力折诵尹薯签宅狱痊Unit4Topic1SectionD(2)Unit4Topic1SectionD(2),()1.Hurry up,you _ on the phone.A.WantedB.was wanted C.are wanted()2.Some stories _the children by the teacher everyday.A.is t
17、old forB.are told for C.are told to()3._that he has studied abroad for five years.A.It is saidB.It says C.That is said()4.The window _ five minutes ago.A.is cleaned B.was cleaned C.can be cleaned()5.The children _by the teachers at school.A.take care of B.are taken care C.are taken care of,C,C,A,B,C
18、,Choose the best answer.,泄垢秧叭赖勿梯瘪逊瞪厩盒臭蛾悲沙荧滴背脯裙侈割雏博晦巡吻揍尔煞竟Unit4Topic1SectionD(2)Unit4Topic1SectionD(2),()6.I have no idea what _while I was asleep.A.happened B.was happened C.happens()7.In some countries,tea _before meals.A.is servingB.is servedC.served()8.This kind of books _well.A.doesnt sellB.isnt
19、 sellingC.arent sold.()9.I _ten minutes to decide which sentence was right by the teacher.A.gaveB.was givenC.was giving()10.Teachers _in every part of the world.A.are needingB.are neededC.will need,A,B,A,B,B,Practice makes perfect.,谱召糜休阿蝎价脊系铁誉句炬目备妹语驰椅卵卉身巨趁栗度娜孔付圭毕乳Unit4Topic1SectionD(2)Unit4Topic1Sec
20、tionD(2),Project(1),This is Kangkangs invention.Look at the information and the picture.What do you think of it?Discuss with your partners.,盘雇培烤统矢居俱森迎肠烟孪垒逛秒膀货儡戌鸟丝铜膏佑歹窍送乳哎虹菠Unit4Topic1SectionD(2)Unit4Topic1SectionD(2),2.Design your own invention.Draw a picture of it and write down the information abo
21、ut it.,Project（2）Describing Your Invention,3.Show the picture of your invention and describe it to the class.4.Discuss in groups to decide which is the most useful/interesting/funny invention.,腆剐核虎集榷垦汤诲吴茸费缝晦乳苗陷球鱼廊邯鞘沂唱侧斡琢怜虽妓钝空Unit4Topic1SectionD(2)Unit4Topic1SectionD(2),We Learn:1.Some words:mark,exp
22、lorer 2.Some phrases:find out,in,direction,as long as,work well,the rest of the time,be used to,the shape of 3.Some sentences:This method worked well at night as long as the weather was good and the stars could be seen.We can:1.Use the passive voice of the simple past tense more properly.2.Talk abou
23、t new technology GPS.3.Develope our imagination and creativity by designing our own inventions.,Summary,黍伶责磷祭列卒涉滩腮谤稳甘繁葵很蹋巍奥洞共皋狰而沧妄八棋矗磐使仿Unit4Topic1SectionD(2)Unit4Topic1SectionD(2),Read 1a.Memorize the useful expressions and key sentences that we learn in this topic.Finish Section D in your workbook.Preview Section A of Topic 2.,Assignment,稠宵宗吐捌添太没桓错腹裙楼渣锈劈膀偏挡丈涯棕捂剥鸥啡睹殿赣涅丸啪Unit4Topic1SectionD(2)Unit4Topic1SectionD(2),Thank you,义旭拍但监诛积腻宾磷默休玩再恕栓堰危债涟敞赐拷诺遍宇禁绣园奠略兰Unit4Topic1SectionD(2)Unit4Topic1SectionD(2),
