廣州七年級英語下 U Reading含語法點及習(xí)題

廣州七年級英語下UReading含語法點及習(xí)題第1頁/共31頁第2頁/共31頁Energy,electricityandbatteriesEnergyEnergyistheabilitytodosomekindofwork.Thatcanmakethingsmove,heatthingsup,ormakelightorsound.能量是做功的能力，它可以使物體運動、升溫或者發(fā)出光和聲音。第3頁/共31頁ElectricityElectricityisatypeofenergy.Weuseittopowerthingslikelights,heaters,TVs,andcomputers.Somebusesandtrainsworkonelectricity,too.電是一種能量。電燈、暖風(fēng)、電視和電腦等電器依靠電來工作。有的汽車和火車也是依靠電來驅(qū)動的。第4頁/共31頁Electricalapplianceshavemetalwiresinsidethem.Electricityworksbyflowinginacurrent,alongthewires.Theelectricalenergyflowingthroughthingsmakesthemwork.用電器的內(nèi)部都有金屬導(dǎo)線。電以電流的形式沿導(dǎo)線流動，由此形成的電能流經(jīng)用電器，使其工作。第5頁/共31頁

BatteryAbatterycontainsastoreofchemicals.Itturnsenergyfromthechemicalsintoelectricalenergy.Whenthechemicalenergyisusedup,thebatteryrunsoutofelectricalenergy.Itstopsworking.

電池內(nèi)含有多種化學(xué)物質(zhì)。它能把化學(xué)物質(zhì)中的能量轉(zhuǎn)化成電能。當(dāng)化學(xué)能耗盡后，電池也就沒有了電能，電池就不能用了。第6頁/共31頁READINGBeforeyouread

Doyouknowhowelectricitycomestoourhomes?powerstationmakeelectricitycablewirelightbulb第7頁/共31頁Let’sdiscuss!Whatdoestheword“energy”mean?Wheredoestheboy’senergycomefrom?Wheredoestherobot’senergycomefrom?I’marobot.Myenergycomesfromelectricity.I’maboy.Myenergycomesfromfood.powerandabilitytodoalotofworkoractivities◆Canyoutellmewhatthetopicwillbeaboutofthisunit?---electricity第8頁/共31頁READINGA.Whatdoyouknow...?Therearethreewaysofproducingelectricity.Writethecorrectwordsintheblanks.solarpowerwaterpowerwindpowerwindpowerwaterpowersolarpower第9頁/共31頁Lookatthephotosandthetitle,andanswerthesequestions.

Whatdidthegirlbuy?Whatdoyouthinkthestorymaybeabout?Whereelectricitycomesfrom.Whatelectricityislike.Whatweuseelectricityfor.Howwecanuseelectricitysafely.B.BeforeyoureadSomebatteriesabc第10頁/共31頁Circlethecorrectanswerstocompletethesentences.Ifyoureplytoaquestion,you____it.askB.answerAfoolishpersonusuallydoes_____things.harmfulB.sillyWhenmycomputerisconnectedtotheInternet,theInternet___mycomputerandtheothercomputersintheworldtogether.joinsB.carriesABB第11頁/共31頁4.Ifyouasksomeonetowaitforamoment,youwillcomebackin____.A.alongtimeB.ashorttime5.Batteriesprovidetoycarswith_____.A.electricityB.heatBA第12頁/共31頁C2.Completethepassagebelowwithwordsandphrasesfromthebox.

anyoneconnectedtoinawaypowerstationwiresElectricityislikewater,(1)______________.Itflowsfromthe(2)__________toourhomes.Thelight,TVsandcomputersinourhomesare(3)__________________thepowerstationthrough(4)_____________.Electricityisveryimportanttous.Weneeditathome,atworkandinschool.Could(5)__________liveinaworldwithoutelectricity?inawaypowerstationconnectedtowiresanyone第13頁/共31頁StrategyPowerstationisacompoundnoun.Wemayguessthemeaningofacompoundnounbylookingatthetwonouns.Seemoreexamplesbelow:bath+room=bathroomliving+room=livingroom

第14頁/共31頁FindthesesentencesinthestoryonP73.Writethenameofthepersonorthingthatpronouninitalics（斜體）refersto.

1.I’mgoingtobuysomesweets.(lines1-2)2.Canyougetmeapacketofelectricity,please?(lines4-5)3.She’lllookfoolish.(lines8)4.It’slikewater,inaway.(lines11-12)5.Theyareconnectedtoapowerstation.(lines16)DaisyElectricityD1Benny.DaisyCables第15頁/共31頁D2HowdoeselectricitygettoBenny’sflat?Choosethecorrectwordsintheboxtolabelthediagram(圖解)below.wirecablepowerstationcablepowerstationwire第16頁/共31頁D3DiscussionWholooksfoolishintheend?第17頁/共31頁

Findouttheusefulphrasesandexpressions.

一盒……成盒裝的流經(jīng)，流過在某種程度上與……相連接片刻之后看起來傻乎乎的apacketof…inpacketsflowthroughinawaybeconnectedto…amomentlaterlookfoolish第18頁/共31頁LanguagePointssweetadj.

糖果c.n→sweets

甜品u.n

e.g.這些糖果給你。

Therearesomesweetsforyou.e.g.冰淇淋是我最喜歡的甜品。

Icecreamismyfavouritesweet.第19頁/共31頁Canyougetmeapacketofelectricity?can

情態(tài)動詞,表示“請求,允許,可以”e.g.CanIhandinthehomeworktomorrow?get

v.得到getsbsth=getsthforsb為某人取某物e.g.Canyougetmethebook?=Canyouget__________________?e.g.CanIgetyouadrink?=___________________________?幫助實義動詞表明立場，態(tài)度thebookformeCanIgetadrinkforyou?LanguagePoints第20頁/共31頁選詞填空：get/take/bring①Pleasebringyourhomeworkhere.Wewillchecktheanswerstogether.②Canyougetmeacupofcoffee?③Thisisyourbrother’sletter.Takeittohim.get去取來take拿走bring拿來LanguagePoints_________________第21頁/共31頁apacketof一盒……

+c.n(pl.)/u.ne.g.apacketofeggsapacketofmilkinpackets盒裝的in+c.n/u.ne.g.inpeace和平intens以十為計,十進制inpieces破碎地insurprise驚奇地LanguagePoints第22頁/共31頁She’lllookfoolish.她看上去會很傻。解析：look在此意為“看起來好像；顯得”，后接形容詞。如：Yourdaughterlooksverybeautiful.你女兒看起來挺漂亮的。與look用法相同的連系動詞還有：sound“聽起來”，smell“聞起來”，taste“嘗起來”和feel“摸起來；感覺”。LanguagePoints第23頁/共31頁Youmustn’tsaythat.must情態(tài)動詞，必須，一定mustn’t=mustnot不允許，不準(zhǔn)e.g.你不準(zhǔn)在這里吸煙。Youmustn’tsmokehere.LanguagePoints第24頁/共31頁likev.&prep.v.喜歡

e.g.我喜歡這本書。Ilikethisbook.prep.

像belike=looklikee.g.他看起來像他的爸爸。Helookslikehisfather.inaway

在某種程度/意義上It’slikewater,inaway.LanguagePoints第25頁/共31頁Thesewiresareconnectedtocablesunderthestreet.beconnectedto…與……連接e.g.電纜與發(fā)電廠相連。Thecablesareconnectedtothepowerstation.e.g.這根電線和電視機相連。Thiswireisconnectedtothetelevision.LanguagePoints第26頁/共31頁Exercises1.在某種程度上，電像水一樣流動。

____________，electricity_____likewater.2.你能幫我買一盒果汁嗎？Canyou_____me____

________juice?3.Youcan’tbuyelectricity__________.(盒裝的)Inawayflowsget/buyapacketofinpackets第27頁/共31頁Exercises4.Electricity_________(進入)ourflatthroughthinwires,andthesewires___________(連接)cablesunderthestreets.5.____________(片刻之后）,esintoareconnectedtoAm