九年级英语新目标 unit 9When was it invented 全单元课件文档格式.docx
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coldicecreamshoeswithadjustableheels
JayceCoziarandJamieEllsworth
changingthestyleoftheshoes
battery-operatedsnakers
JulieThompson
seeinginthedark
heatedicecreamscoopLanmonChelsea
2c.OralPractice
Sentencepattern:
Whatisit/aretheyusedfor?
Whowasit/weretheyinventedby?
Itis/Theyareusedfor...
Itwas/Theywereinventedby...
Sampledialogues:
Whatisthis?
Thisisaheatedicecreamscoop.
Whatisitusedfor?
Itisusedforscoopingreallycoldicecream.A:
Whowasitinventedby?
ItwasinventedbyChelseaLanmon.
GrammarFocus
Thepassivevoice被动语态
在被动语态的句子中,谓语部分的结构是be+过去分词。
被动语态的句子
的时态变化反映在be动词上。
也就是说,把一个句子做成被
动语态的句子,只需要写出be动词
的所需时态,再加上所给动词
的过去分词就行了。
当然,这只是指谓语部分而言。
我们知道,be动词作为
一个独立的谓语动词有自己现在分词（being）和过去分词（been）。
那幺,下面
我们来看看be在各种时态中的变化形式：
一般现在时am/is/are一般过去时was/were一般将来时shall/will+
be过去将来时would/should+be现在进行时am/is/are+being过去进行
时was/were+being现在完成时have/has+been过去完成时had+been
1.世界上许多国家都讲英文。
Englishisspokeninmanycountries
allovertheworld.
2.纸是中国发明的。
PaperwasinventedinChina.
3.这栋大楼是去年建造的。
Thebuildingwasbuiltlastyear.
Makesentences
4.他父亲不会让他娶玛丽为妻的。
Hewon’tbeallowed,byhisfather,
tomarryMary.
5.他们结束训练时将被派往部队。
Theywouldbesenttothearmy
whentheyfinishedthetraining.
6.这个计划正在执行中。
Theprojectisbeingcarriedout.
8.这本小说已被译成了几种语言。
Thisnovelhasbeentranslatedinto
severallanguages.
7.那时这案子正在调查中。
Thecasewasbeinginvestigatedthen.
9.他们说生产成本已经下降了。
Theysaidthatproductioncostshadbeenreduced.
3a.Pairwork
Helpfulinventions:
vacuumcleaner,soundproofdoorandwindow,car,
computer,faxmachine
Annoyinginventions:
air-conditioner,truck,telephone,junkfood,icecream
Whatisthisinthepicture?
Whatisitusedfor?
Doyouthinkitishelpful/annoying?
Dialogue1:
Itisanalarmclock.
Itisusedforwakingpeopleupin
themorning.
Doyouthinkitisannoying?
Sometimes,whenIwanttogoonsleep.Dialogue2:
Itisalightbulb.
Itisusedforgivinglight.
Doyouthinkitishelpful?
Yes,Ithinkso.BecauseIalwaysdo
homeworkandreadbooksinthe
eveningbyitslight.
Dialogue3:
Itisamicrowaveoven.
Itisusedforheatingcoldfoodand
cookingmeals.
Yes,Ithinkso.Becausemyparents
areverybusyandIcanuseitto
cookmealsbymyself.
Whatdoyouthink
isthemosthelpfulinvention?
B:
Ithinkthemost
helpfulinventionis
thelightbulb.
3b.Pairwork
Whyisthat?
Well,itgivespeoplemoretimetoworkandplayeveryday.
Dialogue2:
Whatdoyouthinkisthemost
annoyinginvention?
Ithinkthemostannoyinginvention
istheair-conditioner.
Well,Ifeeluncomfortableinthe
roomwithanair-conditioner.
Whatdoyouthinkarethemost
annoyingorhelpfulinventions?
Ithinkthetruckisthemostannoying
inventionandthesoundproofdoor
andwindowisthemosthelpfulinvention.Dialogue3:
soundproofdoorandwindowA:
Thetrucksalwaysmakenoisesand
peoplecan’tsleepwell.Iftheyhave
thesoundproofdoorandwindow,
peopleneedn’tworryaboutthenoisesanymore.4.Groupwork
Whatwouldyoudoifyouarealoneonatinyisland?
I’dliketohavearadiobecauseIcouldlistentomusicallday.
Yes,butthat’snotgoingtohelpyou
leavetheisland.Ithinkitwouldbe
betterto….
I’dliketohavesomematches
becauseIcouldlightafiretokeepwarm.B:
Yes,butthat’snotgoingtohelp
you
bettertohaveacellphone.
I’dliketohaveatelescopebecause
Icouldlookfar.
youleavetheisland.Ithinkit
wouldbebettertohaveasignallamp.Dialogue2:
SectionBcrispyandsalty
Describehowfoodtastes.soursweetsweet2a.Listening
Potatochipswereinventedbymistake.2.Theywereinventedin1863.
3.Thecustomerthoughtthepotatoesweren’tthinenough.TFT4.Thecustomer
saidtheyweren’t
saltyenough.
5.Georgewantedtomakethe
customerhappy.
6.Thecustomerwashappyintheend.TFF
_____________thatpotatochipswereinventedbymistake?
PotatoChips
______
_________byachefcalledGeorgeCrum.Theywereinventedin______.George
Crumcookedthemforalongtimeuntilthey___________Andhesprinkledlotsof
saltonthemsotheywere__________.
Thehistoryofchips
Didyouknowinvented1853
werecrispy
reallysaltywere1.Thecustomsaidtheyweren’tsaltyenough.这个顾客说菜
不够咸。
（1）said后是宾语从句,省略了that。
当
宾语从句主句用一般过去时,从句也要
用过去的某种时态。
HeaskedmewhomIwaswaitingfor.
他问我在等谁。
Explanation
但enough修饰名词时,可以放在名词之前,也可以放在名词之后。
如:
Ihaveenoughmoneytobuyit.（Ihavemoneyenoughtobuyit.）
2.Potatochipswereinventedbymistake.薯片是无意中被发明的。
mistake做名词,意为“弄错,误解”
Youhavemadeafoolishmistake.
你犯了一个愚蠢的错误。
mistake作动词,意为“弄错,误解”
Shedidn’tspeakveryclearlysoImistookwhatshesaid.
她讲的不清楚,所以我误解了她的话。
bymistake意为“错误地,无意地”
Itookhisbackpackbymistake.
我错拿了他的书包。
Heputsaltinhercupofteabymistake.
他错把盐放进她的茶里。
3a.Reading1.Whatisthisarticleabout?
Ithinkitisabouttheinventionoftea.
2.Whenwasitinvented?
Over3,000yearsbefore1610.
4.Whowasitinventedby?
TheemperorShenNong.
5.Howwasitinvented?
Accordingtoanancientlegend,oncewhenShenNongwasboilingdrinking
wateroveranopenfire,someleavesfromanearbybushfellintothewaterand
remainedthereforsometime.Henoticedthattheleavesinthewaterproduceda
pleasantsmell.Laterhetastedthewaterandfounditquitedelicious.That’show
hediscoveredtea.
1.Althoughteawasn’tbroughttothe
westernworlduntil1610,thisbeverage
wasdiscoveredoverthreethousand
yearsbeforethat.
虽然茶直到1610年才传入西方世界,
但这种饮料在三千多年前就被发现了。
（1）although作连词,意为“虽然,尽管”,引导让步状语从句,我们不能根据
汉语习惯,在后面使用连词but,不过它可以与yet,still连用;
若主从句的主语
相同,且从句谓语含有动词be,可将从句主语和动词be省略。
Although（itwas）snowing,itwasnotverycold.
虽然在下雪,但是天气不是很冷。
Thereisairaroundus,althoughwecan’tseeit.
尽管我们看不见,但我们周围全是空气。
not…until意为“直到……才”until引导一个时间状语从句。
Hedidnotgotobeduntilhisfathercamehome.
直到他爸爸回家时他才睡觉。
2.AccordingtoanancientChineselegend,theemperorShenNongdiscovered
teawhenhewasboilingdrinkingwateroveranopenair.
根据中国古代的一个传说,神农帝在户外的火上烧饮用水时发现了茶叶。
Accordingto是个短语介词,意为“根据……;
依照……”后接代词,名词或由
疑问词以及whether引出的名词性从句。
Accordingtotheradio,itwillraintomorrow.根据收音机说,明天有雨。
Accordingtowhatyousaidjustnow,hewasrightthen.
根据你刚才说的,那幺他就对了。
leaf的复数形式为leaves
remain表示“继续留在某处”
3.Someleavesfromanearbybushfellintothewaterandremainedtherefor
sometime.
一些叶子从附近的灌木丛落到水里。
并在水里浸泡了一段时间。
Howlongwillyouremainhere?
你要在此地停留多久?
fallinto“落入,陷入”
Hewasdrunkandfellintothewater.
他酒醉跌落水中。
WritingAsampleversion
Frompieplatetoflyingdisk
Theflyingdiskwasinventedbycollegestudents.Flyingdiskisametalpieplate.
Inthe1950s,severalcollegestudentsatepiesmadebyabakery
inBridgeport,Connecticut.Theyfounditinterestingtothrowthepieplateswith
eachother.Thenitbecameagame.Today,thereareflyingdiskclubs,magazines
andevenafestival.SelfCheckTheabacuswasinventedinthesixthcenturyby
Chinesepeople.
Theumbrellawasinventedabout4000yearsagoinAssyria,ChinaandEgypt.
InItalyin1854,IgnatioPorroinventedthebinoculars.
TheCamerawasinventedbyJosephNicephoreNiepcein1827whotookthe
firstpicture.
Thebicyclewasinventedinthe1880sinEngland.
Thankyouforlistening!
升级会员 