湖北省武漢市北大附中武漢為明實(shí)驗(yàn)九年級(jí)英語(yǔ)全冊(cè)《UNIT9WHENWASITINVENTED-SECTIONA》課件人教新目標(biāo)版

九年級(jí)人教新目標(biāo)Unit9Whenwasitinvented?SectionAWhichdoyouthinkisthemostimportantinventionintheworld?Whatotherscanyouthinkof?

Doyouknowwhattheyare?radiotelevisioncalculatortelephonecar1a.Groupwork

Lookatthethingsbelow.Inwhatordersdoyouthinktheywereinvented?Numberthem[1-5]524131b.Listenandmatchtheinventionswiththedates.

18851976ab19711876cd1927eTelephoneandcar.

Becauseitwasexpensive.

Yes,shedoes.

1c.PairworkIthinkitwasinventedin1976.______ShoeswithadjustableheelsIt’susedforscoopingreallycoldicecream.Right.ItwasinventedbyChelseaLanmon._______battery-operatedslippers_______heatedicecreamscoop2a.Listenandnumbertheinventionsintheorder.3122b.Listenagainandmatchtheitemsincolumns.2c.Pairwork

Whatisitusedfor?Itisusedforseeinginthedark.3a.Hateitorlikeit?

alarmclockcameralightbulbherbicidemicrowaveovenrefrigeratorvediographyingmachineairconditionerplasticbagsCanyouthinkofothers?

3b.Pairwork

4.GroupworkImaginethatyouarealoneonatinyisland.Choosefiveinventionsyouwouldliketohaveontheislandwithyou.A:I’dliketohavearadiobecauseIcouldlistentomusicallday.B:Yes,butthat’snotgoingtohelpyouleavetheisland.Ithinkitwouldbebettertohaveatelephone.Explanation

1.It’susedforscoopingreallycoldicecream.

beusedfor

意為“被用來(lái)……”,強(qiáng)調(diào)用途或作用。e.g.Thedusterisusedforcleaningtherooms.

beusedas

意為”被當(dāng)作……來(lái)用”，強(qiáng)調(diào)被當(dāng)作工具或手段來(lái)用。

beusedby

意為“被……使用，強(qiáng)調(diào)使用者。e.g.Thebigboxisusedasatable.Thecarisusedbyourmanager.2.Shoeswith

adjustableheelswereinventedby…(1)with

是介詞，意為”“具有，持有，帶有”。e.g.agirlwithlonghairahousewithablueroof(2)adjustable意為“可調(diào)整的，可調(diào)節(jié)的”。e.g.Ihaveapairofshoeswithadjustableheels.(3)invent是動(dòng)詞，意為“發(fā)明，創(chuàng)造”。e.g.Edisoninventedthelightbulb.

invention是名詞，“發(fā)明，發(fā)明物”e.g.Edisonhadabout2,000inventionsduringhislifetime.4.annoyingadj.討厭的,惱人的(往往指事物)e.g.Howannoyingitis!真討厭。

annoyedadj.生氣的,惱怒的(往往指人)e.g.Myfatherisannoyedwithme.

爸爸在生我的氣。5.helpfuladj.有幫助的,有益的e.g.Mr.Whiteisaveryhelpfulman.構(gòu)詞法：n+ful→adje.g.use+ful→usefulthank+ful→thankfulbeauty+ful→beautifulcare+ful→careful6.Imaginethatyouarealoneontinyisland.

aloneadj.意為“單獨(dú)的”,不帶感情色彩。e.g.Whenhiswifedied,helivedalone.

lonelyadj.意為“孤獨(dú)的,寂寞的”e.g.Hefeelslonelywhenheisalone.

lonely指地方時(shí)表示“荒涼的,偏僻的”e.g.Theoldmanlivesinalonelysmallvillage.7.Ithinkitwouldbebettertohave…(1)would在此處表示“料想或猜想、揣測(cè)”，后接動(dòng)詞原形或完成式。e.g.Whatwouldshebedoingthere?(2)Itisbettertodosth…“最好做……“，it是形式主語(yǔ)，動(dòng)詞不定式是真正的主語(yǔ)。e.g.Itisbetterforyoutowalktoschool.Itisbettertodosth…=hadbetterdosth…GrammarfocusThepassivevoice一、語(yǔ)態(tài)英語(yǔ)中動(dòng)詞有主動(dòng)語(yǔ)態(tài)和被動(dòng)語(yǔ)態(tài)兩種語(yǔ)態(tài)。主動(dòng)語(yǔ)態(tài)表示主語(yǔ)是動(dòng)作的執(zhí)行者，被動(dòng)語(yǔ)態(tài)表示主語(yǔ)是動(dòng)作的承受者，在被動(dòng)語(yǔ)態(tài)中動(dòng)作的執(zhí)行者有時(shí)用by短語(yǔ)表示出來(lái)。二、被動(dòng)語(yǔ)態(tài)的構(gòu)成助動(dòng)詞be+及物動(dòng)詞的過(guò)去分詞

am(is,are)+done一般現(xiàn)在時(shí)

was(were)+done一般過(guò)去時(shí)三、被動(dòng)語(yǔ)態(tài)的用法1.不知?jiǎng)幼鲌?zhí)行者時(shí)，常用被動(dòng)語(yǔ)態(tài)。eg.Mybikewasstolenyesterday.ThiscarismadeinAmerica.2.不必要說(shuō)出動(dòng)作執(zhí)行者時(shí)，常用被動(dòng)語(yǔ)態(tài)。eg.Romewasnotbuiltinaday.3.為了突出強(qiáng)調(diào)動(dòng)作的承受者時(shí)，常用被動(dòng)語(yǔ)態(tài)。eg.Thousandsofbeachesarepolluted.四、主動(dòng)語(yǔ)態(tài)變?yōu)楸粍?dòng)語(yǔ)態(tài)的步驟:

They

speak

English.

主語(yǔ)謂語(yǔ)賓語(yǔ)English

isspoken

bythem.主語(yǔ)謂語(yǔ)動(dòng)詞的過(guò)去分詞賓語(yǔ)(1)主動(dòng)語(yǔ)態(tài)的賓語(yǔ)變成被動(dòng)語(yǔ)態(tài)的主語(yǔ)。(2)主動(dòng)語(yǔ)態(tài)的謂語(yǔ)動(dòng)詞變?yōu)楸粍?dòng)語(yǔ)態(tài)的謂語(yǔ)動(dòng)詞，即“be+及物動(dòng)詞的過(guò)去分詞”(be有時(shí)態(tài)、人稱(chēng)和數(shù)的變化)。(3)主動(dòng)語(yǔ)態(tài)的主語(yǔ)變?yōu)閎y的賓語(yǔ)。主動(dòng)語(yǔ)態(tài)變?yōu)楸粍?dòng)語(yǔ)態(tài)的步驟主動(dòng)語(yǔ)態(tài)改被動(dòng)語(yǔ)態(tài)Bellinvented

thetelephonein1876.wasby五、被動(dòng)語(yǔ)態(tài)的時(shí)態(tài)表示被動(dòng)語(yǔ)態(tài)的時(shí)態(tài)一般只通過(guò)be表現(xiàn),過(guò)去分詞不變。例如：一般現(xiàn)在時(shí):Thetreesareplantedbythefarmers.一般過(guò)去時(shí):Thetreeswereplantedbythefarmers.現(xiàn)在進(jìn)行時(shí):Thetreesarebeingplantedbythefarmers.一般將來(lái)時(shí)：Thetreeswillbeplantedbythefarmers.現(xiàn)在完成時(shí)：Thetreeshavebeenplantedbythefarmers.含情態(tài)動(dòng)詞的被動(dòng)語(yǔ)態(tài)：Thetreescan(must,should)beplantedbythefarmers.六、被動(dòng)語(yǔ)態(tài)的幾種句型：肯定句主語(yǔ)+be+過(guò)去分詞+(by…)Asweetsongwassungbyheronthestage.否定句主語(yǔ)+be+not+過(guò)去分詞+(by…)Asweetsongwasn’tsungbyheronthestage.一般疑問(wèn)句

Be+主語(yǔ)+過(guò)去分詞+(by…)Wasasweetsongsungbyheronthestage?特殊疑問(wèn)句

疑問(wèn)詞+be+主語(yǔ)+過(guò)去分詞+(by…)Wherewasasweetsongsungbyher?Theyproducedthatkindofcar.Theworkersbuiltabridgeovertheriver.Mothertellsmeastoryeveryday.請(qǐng)把下列主動(dòng)句變?yōu)楸粍?dòng)句。Thatkindofcarwasproducedbythem.Abridgewasbuiltbytheworkersovertheriver.Iamtoldastorybymothereveryday.1.Thewomanaskedthepolicemanforhelp.2.TheoldmanonTVtellsastoryonSunday.3.Dotheyusetheboxasatable?4.Shesentmeacollectionlastweek.5.Theteacherdoesn’tte