九年级英语全册 Unit 6 When was it invented Section B（3a3b）同步作文指导课件 （新版）人教新目标版.ppt

sectionb 3a 3b 单元同步作文指导 随着科技的进步 许多新的发明不断涌现 它们给我们的生活带来了方便 本单元以谈论重要发明为话题 要求同学们学会介绍某项发明的用途 特点等 而且近年来 介绍某项发明的用途或特点的写作题材在全国各地中考试题中也常有出现 此类文体属于说明文 最常用的时态是一般现在时 写此类说明性文章应注意的事项 写作时应采用一定的顺序 具体 清晰地说明该发明的用途 特点 充分发挥想象力 谈谈自己使用的感受 教材中出现的相关句型 wasinvented itisusedfor 拓展常用句型 itisveryconvenient comfortable important useful 它非常方便 舒适 重要 实用 it shardtoimaginewhatourlifewouldbelikeifwehadnocomputersinourdailylife 很难想象在我们的日常生活中 如果没有电脑会是什么样 computers are becoming more and more important in our daily life do you know the history and the changes of computers computerwasinventedin1946 atthattime themachinewashugeanditwasaslargeasabighouse itweighedabout30tons computerisaveryusefultoolinourlife studyaswellasourwork forexample computercansendsomemessagestoforeignfriendsbye mail thecomputercanopenoureyestoletusknowmore computerisoneofthemosthelpfulinventionsintheworld computercanhelpusinstudyorwork therearemanyfunctions 功能 wecanlistentomusicorplaythegamesoncomputer itmakesusrelax it shardtoimaginewhatourlifewouldbelikeifwehadnocomputersinourdailylife andinmyopinion computersaregoingtochangeourlifecompletelyinthenearfuture 注意 1 报告应包括以上所有提示的信息 但不要逐字翻译 可适当发挥 使行文连贯 2 发明的东西可大可小 有其特殊用途即可 3 词数不少于80 开头和结尾已为你写好 不计入总词数 goodmorning everyone todayi mgoingtotalkaboutinventions inventionsarecreatedeverydaybecausepeoplewouldliketomakelifeeasier therearefamousinventionslikethetvandthebicycle tvprovidesuswithdifferentkindsofinformationsothatwecanknowmoreabouttheworld wewatchentertainmentprogramstorelaxourselves besides somelearningprogramshelpuswithourstudy thebicycleisveryuseful too wegotoschoolorworkbybike it snotsoexpensivethatmostofuscanaffordit itmakesnopollution whichisgoodforourenvironment what smore bicycleridingisakindofexcitingsportswhichisquitegoodforourhealth thoughtherehavebeenmanygreatinventions iwishtoinventakind ofpenwhichcanhelpuswritemorequicklyandneatly whenw