Unit3TheworldofscienceStartingideasUnderstandingideas

Lead-inWhenyouthinkofscience,whatwillyouthinkof?SomegreatscientistsEinsteinNewtonEdison

Greatscientistswhohavemadegreatcontributionstoourcountry.QianXuesenYuanLongpingTuYouyou

GreatscientificdiscoveriesorinventionsGunpowderPrintingPapermakingtheCompassTheFourGreatInventioninancientChina

China’sNewFourGreatInventionHigh-speedrailwayMobilepaymentBikesharingOnlineshopping

A1P33-Readabouttheinventionsfromfamousnovelsandchoosethosethathavebecomeareality.Harrythrewthecloakaroundhisshoulders…Harrylookeddownathisfeet,buttheyweregone.HarryPotterandthePhilosopher’sStone哈利把隐形衣披在肩头，哈利低头看自己的脚，真奇怪，它们消失了。《哈利·波特与魔法石》

PresentlyIamgoingtopressthelever,andoffthemachinewillgo.Itwillvanish,passintofuturetime,anddisappear.TheTimeMachine现在我要按一下操纵杆，机器就会开动，它会消失，进入未来的时间，然后消失。《时间机器》

Afaintbluelightshotacrossit,darkeningtopurple,andpresentlyshecouldseetheimageofherson,wholivedontheothersideoftheearth,andhecouldseeher.TheMachineStops它泛出一道微弱的蓝色的光，那光线暗成紫色。此刻她能看到她儿子的样子，他住在地球的另一边，他也能看到她。《大机器停止》

Insteadofbeingprinted,theEarthchronicleiseverymorningspokentosubscribers,who,ininterestingconversationswithreporters,statesmen,andscientists,learnthenewsoftheday.IntheYear2889《地球纪事》不是印出来的，而会在每天早上与订阅者进行语言上的交流。在与记者、政治家和科学家们饶有风趣的交谈中，订阅者们可以了解当天的新闻。《末世风云2889》

Thethirdandfourth