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话题写作实境运用本单元主要谈论了历史上及生活中的一些重要发明。要求同学们能够从发明时间、发明物的大小及用途等方面描述一项发明，或介绍历史上的一项重要发明；或介绍自己的一项发明。【典型例题】假设这周你们学校的英语角谈论的话题是“手机的发展史”。请你从手机的发明时间(1973年)、外观(large,heavy)和用途等方面，向同学们介绍一下它的发展变化，并描述你对未来手机的畅想。要求：1.语意连贯，语句通顺；2．不少于80词。【写作思路】本篇习作是一篇说明文写作，主要要求同学们介绍手机的相关信息。同学们在写作时可以按照时间顺序进行描述：过去(历史)、现在(使用状况)以及将来(前进及发展趋势)。写作时要特别注意正确使用一般过去时及其被动语态。【高分模板】引出话题―→Cellphonesarebecomingmoreandmoreimportantinourdailylife...↓具体介绍手机的相关信息―→•Thefirst...wasinventedin1973.•Itwasaslargeas...andmuchheavierthan...•Cellphoneshavemanyusages.Forexample...↓展望手机未来的发展趋势―→Ibelievethatcellphoneswillbecome...inthefuture.【范文展示】Cellphonesarebecomingmoreandmoreimportantinourdailylife.Doyouknowthehistoryofcellphones?Thefirstcellphonewasinventedin1973.Atthattime,Itwasaslargeasabuildingbrickandmuchheavierthanthecellphonetoday.Cellphoneshavemanyusages.Forexample,wecanusecellphonestotalktoothersatanytime.Wecanalsousecellphonestotakephotosorlistentomusic.Ibelievethatcellphoneswillbecomethinnerandthinnerandthatsmartphoneswilltaketheplaceofcomputersinthefuture.【训练一】昨天你校发明节隆重开幕，在今天的英语口语课上，老师要求同学们围绕“你所知道的发明创造”这一话题进行简短发言，请你根据下表内容提示为此次发言做好准备。要求：1.发言稿需包括下面表格内容，可适当发挥；2.80词左右，发言稿的开头和结尾已给出，不计入总词数。Hello,everyone!Therearemanyinventionsthathavechangedtheworld.Here'sashortintroductionofsomeusefulinventions._____________________________________________________________________________________________That'sall.Thanks.WhatWhoWhenThetelephoneAlexanderBellin1876ThecarCarlBenzin1885TheTVJohnBairdinaround1927Hello,everyone!Therearemanyinventionsthathavechangedtheworld.Here'sashortintroductionofsomeusefulinventions.ThetelephonewasinventedbyAlexanderBellin1876.Usingatelephone,peoplecantalktoeachothernomatterhowfarthey'refromeachother.ThecarwasinventedbyCarlBenzin1885.Thecartakespeoplefromoneplacetoanotherquicklysoastohelppeoplesavetime.TheTVwasinventedbyJohnBairdinaround1927.Ithelpspeopletoknowwhatishappeningallovertheworld.Peoplecannotonlylearnalotbutalsorelaxbywatchingit.That'sall.Thanks.【训练二】在一个“小科学家”发明展示会上，杨涛将展示他最新发明的语言翻译器(LanguageInterpreter)。假如你是杨涛，请根据下面表格中的内容写一篇80词左右的英语短文向外国游客介绍一下自己的发明。NameLanguageInterpreterLookslikeCellphoneUsedforTranslatingonelanguageintoanotherAdvantagesUseful,convenient(方便的)DisadvantagesOnlytranslatingseverallanguages______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Hello!MynameisYangTao.Hereismyinvention,aLanguageInterpreter.It'sthesamesizeasacellphone.Butitisveryuseful.Ifyouinputthelanguageyouwanttotranslateinto,andthenmakeashortspeech,itcantranslatewhatyouwantwithin5to10seconds.Youcantalkwithforeignerseasilywiththehelpofit.Butitcanonlytranslateseverallanguages.I'llworkhardtoimproveit.I'msureitwilltranslatemoreandmorelanguagesinthenearfuture.Thanksforlistening!