Unit4What’sthebigidea?Learningobjectives视听说教程3?talkaboutinventionsandcreativeideas?takenotesusingakeywordoutlinewhilelistening?introduceaninnovativeproduct?usevoice,bodylanguage,andvisualaidsappropriatelyinspeechdelivery

Openingup新视野大学英语（第四版）视听说教程31Thecompass,car,photography,andmobilepaymenthavebeenvotedamongthegreatestinventionsofalltime,accordingtoasurvey.Whydoyouthinktheyareonthe“world’sgreatestinventions”list?Giveatleastonereasonforeach.?

Openingup新视野大学英语（第四版）视听说教程3?Thecompassprovidesareliablemeansofdeterminingdirection,whichiscrucialforexplorationandtheexpansionofgeographicalknowledge.Beforetheinventionofmodernnavigationinstruments,thecompassenabledsafevoyagesacrossvastoceans.?Thecarhasmadetravelfasterandmoreefficientthaneverbefore.Ithasreshapedcities,fueledeconomicgrowth,andallowedpeopletoworkfartherfromtheirhomes.

Openingup新视野大学英语（第四版）视听说教程3?Photographyhasmadeitpossibleforpeopletocapturemoments,preservememories,andshareexperienceswithothers.Ithashadaprofoundimpactonart,journalism,andscience.?Mobilepaymenthasenhancedtheconvenienceandefficiencyoffinancialtransactions.Ithasmadeiteasierforustomakepurchases,transfermoney,andmanageourfinances.

Contents丨目录TakinginSpeakingout新视野大学英语（第四版）视听说教程3Furtherlistening

ListeningtoChinaViewingworldculturesWatchingstreetinterviewsTakingin新视野大学英语（第四版）视听说教程3

ListeningtoChina1Workinpairsanddiscussthequestions.?1WhatdoyouknowaboutZhengHe?ZhengHewasagreatexploreranddiplomatduringChina’sMingDynasty.HeledmassivefleetsonsevenvoyagesandhelpedfacilitateeconomicandculturalexchangesbetweenChinaandothercountries.BeforeyoulistenTakingin新视野大学英语（第四版）视听说教程3

ListeningtoChina1Workinpairsanddiscussthequestions.?2Whatmethodsofnavigationdidheuseduringhisvoyages?Duri