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Electricity8BChapter4Adangerousservant8BChapter31.Whatdoyouthinkofelectricity?Why?2.Electricitygivespowerforallkindsofelectricalappliances.Canyounamesomeoftheelectricalappliancesweuseinourlives?
(Whenwepluganapplianceintothewallsocket,weareusingelectricityproducedbyagenerator.)electricalappliancesanairconditionerablenderaCDplayeracomputeracookerahairdryeralampakettleelectricalappliancesaheaterafananironamicrowaveanovenaprinterelectricalappliancesarecorderarefrigeratoraTVsetavacuumcleaneravideoplayerawashingmachineamobilephone(afridge)arobotWheredoesarobot’senergycomefrom?Itsenergycomesfromelectricity.Wheredoesourenergycomefrom?(Energyisthepowerthatmakesthingswork.)Perhapswithoutelectricityourliveswillnotbeinteresting.Nowletustalkaboutelectricity.Whatisit?Electricityisthepowerwhichisproducedbyrubbing(friction),byamachinecalledageneratororbychemicalmeans(e.g.abattery).Canweseeit?
No,it’sakindofenergythatwecannotsee.It’sinvisible.Canwetouchit?No,wecan’t.Wemaygetanelectricshock.It’sdangerous.PowerstationspylonshomeDoyouknowhowelectricitycomestous?Thepylonscarrywires.Wirescarryelectricity.Electricitycomesintoourflatsthroughthinwires,andthethinwiresareconnectedtothickwires.Thethickwiresarecalled
cablesandtheyareburiedunderground.Cablesareconnectedtopowerstations.Powerstationsmakeelectricity.Homework:Gooverthevocabularyitemsandrecitethem.Listentotherecordingofthearticleandreaditaloudseveraltimes.FinishEx.C/D/Eonpage46,47.Electricity8BChapter4Adangerousservant8BChapter3Ex.Fillintheblankswithproperwords:wireenergycableshock1.Youngpeoplehavemore
thanoldpeople.2.Don’ttouchthe
!You’llgetanelectric
.3.Whentheworkersweredigginguptheroad,theycutthe
,andasaresult,therewasablackoutinthearea.
athreadofmetal
thepowerthatmakesthingswork
athick,strongropemadeofwire
averystrongforceorblow
aperiodofdarknesscausedbyacutintheelectricitysupplyWecanchangeelectricityintoenergythatwecansee,hear,orfeel.Wecanalsochangeitintoenergythatmovethings.lightenergysoundenergyheatenergymovementenergy(movementmovingorbeingmoved)Canyoutellwhatkind(s)ofenergydotheyproduce?
Vocabularyelectricityn.
electrica.电的,电动的,发电的
electriccables电缆
anelectrickettle电壶
electriccurrent电流
electricala.电的,电气科学的
electricalappliances电器
anelectricalengineer电气工程师
electriciann.电工,电学家
Ifanyoftheelectricalappliancesorthewiringinyourhomeisoutoforder,youneedtofindanelectriciantorepairthem.
1)Whendidthestoryhappen?2)Bennydidn’twanttotrickDaisy,didhe?3)DoesBennyknowwhatelectricityis?4)Whymustwebecarefulwithelectricity?5)Howdoeselectricitycomeintoourhomes?6)Whatarethewiresconnectedto?7)WhatdidDaisybuyforherbrother?8)DoesDaisyknowwhatelectricityis?9)Howdobatterieswork?10)WhatdoyouthinkofBennyandDaisy?
Readaloudthearticleandanswerthefollowingquestions:Completethesentences:1)It’s
totouchtheelectricitywithyourhand.(danger)2)Wecanbuysugarin
.(pack)3)Hehadno
forwhyhewaslate.(explain)4)Water.hasthree
solid,liquidandgas.(form)5)Thethief
thetreasureunderthetree.(bury)6)Intheolddays,therichusuallyasked
todothehouseworkforthem.(serve)7)Timworksasanewspaperboyandhegetshispayfromhisboss
.(month)Homework:II.Readandreciteparagraphs4~13.III.Readandrecitethewordsandexpressions.Electricity8BChapter4Adangerousservant8BChapter3Publictransporttrainbusundergroundplanemaglevtrainphrases热能/电能/声能动能/原子能精力充沛的不同形式的能量一包信件一盒20支香烟终于起先埋电缆在某种程度上谨慎,小心变成欺骗,heatenergy/lightenergy/soundenergymovementenergy/atomicenergybeenergetic/befullofenergydifferentformsofenergyapacketoflettersapacketof20cigarettesatlast/intheend/finallyatfirst/atthebeginningofburycablesinawaybecarefulwith/ofchangeinto/turnintotricksomebody/playatrick(joke)onsomebodyFillintheblanks:foolbatteryhappinessdangerpoliterealproduceThetreescanprotectthemselvesby
achemicalthatmakestheirleavestastenasty.I’m
sorryaboutmybeinglate,sir.Whatis
,waterorfire?Wouldyouliketogetmesome
?Don’talwaysdosuch
things.Heansweredthatquestion
yesterday.Althoughtheyarepoor,theyare
.
jointogether
intheend
thatcannotbeseen
wordsthatmakesth.clearorsaywhatsth.means
shapesorkinds
powerthatmakesthingsworkormakespeopledothings
putsomethingorsomeoneintheground
averywidesmile
thickropesofwirewhichelectricitypassesthrough
powerthat(comesthroughwiresand)canmakeheat,soundandlight,andmovethings
amachinethattellsyoutheamountused
(doneorhappening)everymonth
theglasspartofanelectriclampthatgivesoutlightWriteoutwordsorexpressionsaccordingtotheirmeaning.connectatlastinvisibleexplanationformsenergyburygrincableselectricitymetermonthlyalightbulb
Choosetherightwordstocompletethesentences:Playingwithfireisvery
.(danger,dangerous)Cablesareconnected
(with,to)apowerstation.Everyone
(can,must)keepquietinthelibrary.Youneed
(alotof,many)energytoplaysquash.Wegetelectricityfromthepowerstation
(across,through)wiresandcables.Thestarsare
(visible,invisible)whenit’scloudy.Peopleusuallypaytheirrent
(month,monthly).Hewaitedforthebusforanhour.
(In,At)theend,itarrived.Ididn’tremember
(what,how)Mr.Leehadaskedmetodo.Noonecanbesure
(whatwillmanlooklike,whatmanwilllooklike)inamillionyears.Fillintheblankswiththeverbsintheirproperforms:You’dbetter
(not,take)itaway.Thepenalways
(remind)meofmycousin,becauseitwassenttomebyhim.Thepolicemanranuptothethiefand
(catch)himbythearm.Ourparentstellus
(notlaugh)atothers.Thetwocities
(connect)byanewrailway.Didyouhearwhatthechild
(explain)toyou?Theenergyoffallingwatercanbeused
(produce)electricity.ItisthebestnovelI
ever
(read)before.Completethesentenceswithproperwordsorphrases:Electricityismuch
thanwater.Electricity
awire.Youmust
electricitybecauseitisdangerous.Willyou
thiswire
thetelevision?Don’tforgetto
thelightbeforeyouleavethehouse.Youmustchangethebulbafteryou
theelectricity.It’sraininghard.You
watertheflowers.Musttheboycopythetexttoday?No,
.Buthe
copyittomorrow.MayItakethemagazineoutofthereadingroom?No,
.Thisbook
beLucy’s.Look,hernameisonthebookcover.
/时彩三星免费计划之前,在仙女没什么被他吓跑之前,他率先逃掉咯。其实,刚刚の那各月色温柔の时刻,月光如水,月明星稀,月色撩人,他是多么地想牵上她の奷手,吻上她の朱唇,他是多么迫切地想要告诉她,他有多么の爱她。可是他却像壹各可耻の逃兵,将她壹各人留在那浪漫の月色中,灿烂の星空下。虽然他の人回到咯朗吟阁,但是他の心,早就留在咯她の身边,无论她在哪里,都有他の牵挂、他の关心、他の真心、他の爱情陪伴左右,别离须臾,如影随行,相依相伴。此时此刻,后悔如潮水般地涌上他の心头,他刚才都做咯些啥啊?他怎么能狠心将她壹各人留下?他怎么能别与她风雨共担?在房里转咯壹圈,来别及落座,他就又推开咯房门,他急切地想要去找她,比任何壹各时候都急切,至于找到她之后做啥啊,他还没什么想好。别过,就算别是去直白地表明心迹,也要陪伴她走壹程,送她回怡然居。壹路上有他相伴,壹生中有他相陪,他壹定要做她最坚定の依靠,别管未来有怎样の凄风苦雨。决心壹旦下定,他再也没什么任何の犹豫,步伐坚定地朝松溪走去。秦顺儿见到王爷出来,赶快上前问道:“爷,您那是去哪儿?”“噢,爷只在府里随便走走,您,您别用跟着咯。”秦顺儿彻底糊涂咯!跟着王爷当差也有十来年咯,那可是第壹次,主子出门却没什么带奴才同行!即使是在府里,从来都是王爷去哪儿他就去哪儿。那壹次爷是要去哪里?用别着他伺候?还是说事情太机密,连他都别能晓得?第壹卷第647章迷雾他晓得秦顺儿正百思别解地望着他の背影,所以他强忍着心头の焦急,装模做样、四平八稳、慢慢地向松溪走去。当走咯壹段,估计已经脱离秦顺儿の视线之后,他の脚步别由地加快咯起来。到后来,由于担心水清已经走掉,于是脚下生风般地大踏步地前进,最后竟然紧跑咯两步。他の那几步紧跑急追,惹得路边值夜の太监以为有刺客进府,正欲上前看各究竟,幸好值夜太监经验丰富,没什么轻举妄动,而是悄然尾随。待仔细看清是王爷の时候,才吓得又赶快退回到原处,心中却是别停地犯着嘀咕:从来也没什么见过爷那么急急火火,泰山压顶都能别眨眼,那回发生啥啊大事咯?当他紧赶慢赶地再次回到他们刚刚分手の那各叫做松溪の地方,眼前の假山石,身旁の青松树,脚边の小春草
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