人教版八年级英语下册 （What's the highest mountain in the world）SectionB 新课件(第1课时)

Unit7What'sthehighestmountainintheworld?SectionB第1课时

►weigh的用法①作及物动词，表示“称……的重量”。eg：CaoCongthoughtofawaytoweightheelephant.曹冲想出了一个称大象的办法。②作不及物动词，表示“量”，后接数字。eg：Sheweighs50kilos.她的体重是50千克。【拓展】weight名词，意为“体重；重量”。►倍数表达法❶用形容词表示甲是乙的几倍时，有以下三个句型：①倍数＋形容词/副词比较级＋thaneg：Thishallisfourtimesbiggerthanmyclassroom.这个大厅比我们的教室大四倍。②倍数＋as＋形容词/副词＋aseg：AsiaisfourtimesaslargeasEurope.亚洲的面积是欧洲的四倍。③倍数＋thesize(height，length...)ofeg：Thehillisfourtimestheheightofthatsmallone.这座山的高度是那座小山的四倍。❷用名词表示“量”的倍数时，有以下两个句型：①倍数＋more＋名词＋thaneg：Therearefourtimesmorebooksinourlibrarythaninyours.我们图书馆的藏书(数量)是你们图书馆的四倍。②倍数＋asmany/much＋名词＋其他＋aseg：Thisisthreetimesasmuchwaterinthiscupasinthatone.这个杯子里的水(量)是那个杯子里的三倍。►重点短语归纳atbirth出生时liveupto活到……

一、根据句意，选择方框中的单词并用其适当形式填空。1．Mom，Icanlookaftermyselfwell，Iamalreadyan_______now.2．Thatelephant_______about5，000kilos.3．Babypandasdoesn'thaveany______．4．—Arepandasverysmallat______?—Yes，andpeopleneedtotakecareofthemverycarefully.5．The_______carspeopledrive，the______pollutiontherewillbe.weighsteethbirthfewerlessadult二、单项选择。( )6.—Linda，youlookthinner.Howmuchdoyou________now?—About50kilos.A．develop

B．rise

C．drop

D．weigh( )7.Iknow________aboutJinzhouthanyou，sotellmesomeplease.A．littleB．moreC．lessD．much(

)8.Mypetdogfeelslikestanding________histwolegs.A．inB．byC．onD．ofDCC(

)9.—Doyouknowhowtosay6，759inEnglish?—Yes，________.A．sixthousandsevenhundredandfifty­nineB．sixthousandandsevenhundredfifty­nineC．sixthousandsevenhundredfifty­nineD．sixthousandsevenhundredfiftyandnine(

)10.Mygardenis________yours.(易错题)A．twicelargerthanB．aslargetwiceasC．largertwicethanD．astwicelargeasAA三、情景交际：从方框中选择合适的句子补全对话。A：Howmuchdoyouknowaboutbabypandas?B：Aretheymuchsmallerthananadultpanda?A：Yes.11.____B：Wow，that'ssmall！Iknowapandaweighsmanytimesmorethanababy.A：That'sright.Theadultsweigharound100kilos.B：12.____Howsmallisit?A：Atbirth，it'sonly15cmlong，butanadultisaround150cmlong.GDA：13.____B：No，ababypandaispinkanditcan'tsee.14.____A：Howlongcanpandaslive?B：15.____A．It

also

don't

have

any

teeth.B．They

can

live

up

to20to30years.C．Whatcolouristhebabypanda?D．Whataboutthesizeofababypanda?E．Isababypandaalsoblackandwhite?F．Itcaneat10kilos

of

food

a

day.G．When

they're

born，they

only

weigh

about0.1to0.2kilos.EABUnit7What'sthehighestmountainintheworld?SectionB第2课时

►awake形容词，意为“醒着的”。eg：Areyouawake？你醒着吗？【注意】awake是表语形容词，不能作定语。不能用very修饰，但可以用wide或full修饰。awake的反义词为asleep。►...theyrunoverwithexcitementandsomeofthemevenwalkintotheirfriendsandfallover！它们兴奋地跑过去，其中几个甚至撞上自己的朋友而跌倒！①runover意为“跑上前去；跑过去”，其中over为副词，表示“从……的一边到另一边；穿越”。②walkinto表示“(走路时意外地)撞上(某物)”。③fallover表示“摔倒；跌跤；倒下”。【拓展】falloversth.被某物绊倒④excitement作不可数名词，意为“激动；兴奋”；作可数名词，意为“令人兴奋的事”。eg：Thenewscausedgreatexcitement.这个消息令人极为兴奋。WatchingTVisanexcitementforhim.看电视对他而言是一件令人兴奋的事。►【辨析】diefrom与dieof①diefrom指由于外伤或不注意的原因而死，原因常来自外部，后常加名词。eg：Hisfatherdiedfromanaccident.他父亲死于一次事故。②dieof指死于疾病、衰老、饥饿等，原因多来自内部，后加名词。eg：Hediedofsadness.他死于忧伤。【注意】当表示因病而死亡时，二者可互换使用。eg：Hediedfrom/ofcancer.他死于癌症。

一、根据句意及汉语提示写单词。1．Thispandausuallyeatsabout10kilosof___________(竹子)aday.2．Thetwoastronautswilldo_____________(研究)inspace.3．Alicepickedsome_______(野生的)flowersinthecountryside.4．Theyaretryingtofindoutthe_________(剩余的)mistakesinit.5．The_____________(政府)isgoingtobuildaroadthroughthemountains.bambooresearchwildremaininggovernment二、根据句意，用括号中所给单词的适当形式填空。6．The______(keep)isaboutfortyyearsoldandhelooksafteranimalswell.7．Jennywas________(wake)allnight，thinkingabouthernewjob.8．Theoldwomanwasveryweakbecauseofherserious________(ill)．9．Petersaidwith__________(excite)，“Mom，Igotfirstprizethistime.”10．Weallknowthe___________(important)ofprotectingourenvironment.keeperawakeillnessexcitementimportance三、单项选择。(

)11.—________doyouplayping­pongafterwork?—EveryTuesdayandThursday.A．Howsoon

B．Howlong

C．Howoften

D．Howmuch(

)12.Theoldman________acaraccident.(易错题)A．diedofB．diedforC．diedfromD．diedwith(

)13.—Werethefansexcited?—Yes，whenthefamoussingercameout，theyallshoutedwith________.A．excitementB．exciteC．excitedD．excitingCAC(

)14.—Whendidyou________upthismorning？(易错题)—Iwasalready________at5：30a．m.，butIgotupat7：00a．m.A．wake；awakeB．wake；wakeC．awake；wakeD．awake；awake(

)15.—What'sthematterwithyou?—I________astoneandhurtmyleftlegjustnow.A．felloverB．fellbehindC．fellasleepD．fellinloveAA四、根据汉语意思完成下列句子翻译。16．她跑过来打招呼，但我不知道她的名字。She___________tosayhello，butIdon'tknowhername.17．在操场上我们大约待了两个小时。Westayedfortwohours______ontheplay