【优选】UnitWhenwasitinvented？复习课PPT文档

1.掌握词汇、短语、句型及被动语态的用法学会谈论一些重要发明物的历史及用途教材分析单元目标2.duce9.throw10.taste11.n.世纪12.adj.活动的13.v.创造14.v.敲15.v.分开16.prep.在……的下面17.v.(使)发展18.v.上升v.注意到v.

发明adj.咸的adj.酸的adj.

古代的v.留下v.生产；制造adj.合意的；令人愉快的v.投；掷(throw-threw-thrown)n.味道；风味centuryactivecreateknockdividebelowdeveloprise(rise-rose-risen)Words（词汇）

v.发明2.inventor

n.发明家

3.invention

n.发明物选词填空1.Edison,thegreat__________has___________over1000_____________inhislife.【考题链接】拓展inventorinventedinventionsWords（词汇）notice+sb./sth.doingsth.注意到某人/物正在做某事（注意到动作正在进行）eg:InoticedMarysinginginherroom

atthistimeyesterday.sb./sth.dosth.注意到某人/物做某事（注意到动作的全过程）

eg:DidyounoticeTomplaybasketball?类似用法的动词还有：see,watch,hear,find【考题链接】Theteachernoticedastudent_____inclass.A.sleptB.tosleepC.sleeping

解析Words（词汇）havecausedD.Computersareused_______surfingtheinternet.eg:Dialogue1A:Thankyouverymuch.低于……(不强调在正下方)，与above相对/bychancewasitinventedby?—Whoweretheyinventedby?(rise-rose-risen)—Itisusedforcallingothers.—Whataretheyusedfor?/bychancelightbulbsCouldyoupleased_______the（注意到动作正在进行）TheChinesepeople只需强调动作的承受者时，要用被动语态发明bytheway顺便说一下1.pleasantadj.

合意的；令人愉快的；讨人喜欢的eg:Itisapleasantday.

2.pleasuren.

愉快；快乐；高兴eg:Dialogue1A:Thankyouverymuch.B:It’smy/apleasure.(不用谢)Dialogue2A:Couldyouhelpmecarrythebox?B:Withpleasure.(乐意效劳)

【考题链接】1.和你一起工作是件乐事。Workingwithyouisa_______thing.2.我们的生活充满快乐。Ourlifeisfilledwith_______.pleasantpleasure辨析Words（词汇）1.below在……的下面；低于……(不强调在正下方)，与above相对2.under在……的下面(强调在正下方)，与over相对。【考题链接】选词填空1.Basketballplayersshootfrom_________thebasket.2.Thereisabridge__________theriver.3.Weshouldn’tstand________thetrees

whenitisraining.4.Theplanesfly_______theclouds.辨析belowoverunderWordsabove（词汇）develop

v.发展development

n.

发展developing

adj.发展中的developed

adv.

发达的【考题链接】选词填空1.Withthe___________(发展)ofourcountry,people’slifeisgettingbetterandbetter.2.Chinaisa___________country,whiletheUSAisa_____________country.developmentdevelopingdeveloped拓展Words（词汇）用来做错误地偶然地；意外地根据；按照；落入；陷入这样……的数目8.与……相撞9.把……分为beusedforbymistakebyaccidentaccordingtofallintointhiswaythenumberofdivideintoPhrasesknockinto（短语）/bychance1.beusedfordoingsth.“用来做……”表示用途或目的,

等于“beusedtodosth.”eg:Knivesareusedforcuttingthings.2.beusedas“把……用作”，as是介词，意为“作为”。eg：Thehouseisusedasaclassroom.3.beusedby“被……使用”介词by后接动作的执行者。eg:Englishisusedbymanypeoplearoundtheworld.用适当的介词填空1.Thisismysister’sbike.Itisused______her.2.Englishisused______asecondlanguageinChina.3.Computersareused_______surfingtheinternet.【考题链接】拓展byasforPhrases（短语）1.inthisway用这种方法；这样2.intheway阻碍；挡道3.bytheway顺便说一下4.onone’s/theway(to)…在（某人）去…….的路上【考题链接】单项选择

—______,youcanworkouttheproblemeasily.—Isee.Thankyou.A.OnthewayB.InthiswayC.BythewayD.Intheway拓展Phrases（短语）thenumberof…表示“……的数目”，通常和可数名词复数搭配使用，做主语时谓语动词用单数形式。eg:Thenumberofstudentsinourclassis

seventy.2.anumberof…

表示“大量的”修饰可数名词复数，做主语时谓语动词用复数形式。eg:Anumberofstudentsaregoingtothemoviestonight.辨析

单项选择______teachersinourschoolisabout400,and______ofthemarewomenteachers.Anumberof;thenumberofB.Thenumberof;anumberofC.Thenumberof;thenumberof【考题链接】Phrases（短语）Challenge选择你喜欢的一天并完成相应的题目。完成正确的同学可以得到相应的奖品。Rules根据句意及首字母提示完成单词

Couldyoupleased_______theappleintotwohalvesandgivemeahalf.ivide解析：divide…into把……分为单项选择

Themachineisused_____makingshoes____theworkers.A.as;forB.for;asC.by;forD.for;by解析：beusedfordoingsth.被用来做某事beusedby被……使用根据句意及首字母提示完成单词

Lastweekwehadap__________trip.leasant

完成句子过马路的时候一定要小心点，否则你会撞到别人。Youmustbecarefulwhenyoucrosstheroad,oryou’ll__________others.knockintoThetemperaturewillfall_______(低于)zerotomorrow.根据句意及汉语提示完成单词

below完成句子炸薯条是偶然被发明的。Thepotatochipswereinvented___________.by

accidentWhenwetalkabouttheinventions,wecantalkaboutthemfromthreeaspects.1.When2.Who3.WhatIn1876ByBellCallothers—Itisusedforcallingothers.beusedas“把……用作”，as是介词，意为“作为”。eg:Thenumberofstudentsinourclassisseventy.eg:InoticedMarysinginginherroom

atthistimeyesterday.Ourlifeisfilledwith_______.英语动词有两种语态：主动语态和被动语态。只需强调动作的承受者时，要用被动语态eg:Knivesareusedforcuttingthings.—Theyareusedforgivinglight.—Whataretheyusedfor?whenitisraining./bychanceWeshouldn’tstand________thetreesChinese______bymoreandmorepeopleintheworld.Computers_______________tosurftheinternet.当主语是动作的发出者时，动词用主动语态；wasthetelephoneinvented?—Itwasinventedin1876.wasitinventedby?—ItwasinventedbyBell.isitusedfor?—Itisusedforcallingothers.Sentences1.—When2.—Who3.—What（句子）lightbulbs1879Edisongivelight1.—

When

werelightbulbsinvented?—Theywereinventedin1879.2.—Who

weretheyinventedby?—TheywereinventedbyEdison.3.—What

aretheyusedfor?—Theyareusedforgivinglight.Sentences（短语）英语动词有两种语态：主动语态和被动语态。

当主语是动作的发出者时，动词用主动语态；

当主语是动作的承受者时，动词用被动语态。eg:WespeakEnglish.(主语we是speak这个动作的发出者

主动语态)

Englishisspokenbyus.(主语English是speak这个动作的承受者

被动语态)一般来说：

1.当我们不知道谁是动作的执行者;

2.只需强调动作的承受者时，要用被动语态PassiveVoice(被动语态)Grammar（语法）be+及物动词过去分词(done)被动语态结构：时态：1.一般现在时2.一般过去时

3.含有情态动词的被动语态

am/is/are+donewas/were+done情态动词(should/must/can等)+be+

doneGrammar（语法）一般现在时的被动语态：am/is/are+过去分词1.Peopleplayfootballaroundtheworld.Football____________(bypeople)aroundtheworld.

is

played

2.Mr.Greenteachesusthisterm.We_____________(byMr.Green)thisterm.aretaughtGrammar（语法）一般过去时的被动语态：was/were+过去分词3.PeoplebuilttheGreatWalllongago.TheGreatWall___________(bypeople)longago.wasbuilteusedthemachinestomakeshoes.Themachines_________(byus)tomakeshoes.

wereusedGrammar（语法）含有情态动词的被动语态：情态动词（should/must/can等)+be+过去分词5.Wemustfinishourhomeworkontime.Ourhomework_________________(byus)ontime.mustbefinished6.Wecanusecomputerstosurftheinternet.Computers_______________tosurftheinternet.canbeusedGrammar（语法）1.Chinese______bymoreandmorepeopleintheworld.(海南33)A.isspokenB.isspeakingC.speaks2.—SomepartsofChinaareverythirstynow.Ithinkwater______tothoseplaces—Ithinkso.(海南31)A.mustsendB.mustbesentC.besentGrammar（语法）中考链接3.Manyaccidents___bycarelessdriverslastyear.(北京，34）A.arecausedB.werecausedC.havecausedD.willcause4.Peoplewhodrinkwine__todrive.（广东，35)A.don’tallowB.isn’tallowedC.mustn’tallowD.mustn’tbeallowedGrammar（语法）中考链接Writing写作练练手

算盘(abacus)的发明

TherearesomegreatinventionsinoldChina,suchastheabacus.Iwanttotellyousomethingaboutit.__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________WhenInthesixthcenturyWhoTheChinesepeopleWhatcount用所给词的适当形式填空。1.Rice________(grow)inthesouthofChina.6.Yourbike_____________(mustnotput)there.4.Theyoungtrees________________(notwater)yesterday.2.You___________(want)onthephone.3.LiMing__________(ask)tocleantheroomyesterday.6.Manystars______________(cansee)atnight.Educe9.throw10.taste11.n.世纪12.adj.活动的13.v.创造14.v.敲15.v.分开16.prep