新人教版八年级英语下 Unit7 sectionB_1a-2e课件

1.Atbirth,ababypandaisabout…birthv.出生atbirth出生时e.g.Man’snatureatbirthisgood.人之初，性本善。givebirthto…生（孩子）；产生e.g.Myauntgavebirthtoabeautifulbabygirlyesterday.昨天我婶婶生下一个漂亮的小女孩。2.Apandacanliveupto20to30years.upto到达（数量，程度等）；不多于e.g.InsomeareaofAfrica,childrengeteducatedupto12yearsold.在非洲的一些地区，孩子最多受教育到12岁。3.…theyrunoverwithexcitementandsomeofthemevenwalkintotheirfriendsandfallover!runover跑上前去overadv.穿越；从……的一边到另一边e.g.Sheranovertosayhello,butIdidn’trecognizeher.她跑过来打招呼，但我没有认出她来。walkinto（走路时意外）撞上e.g.Ashewasthinkingtoodeeplyandnotplayingattentiontowherehewasgoing,hewalkedstraightintoatree.由于他陷入深思，没有注意看路，径直撞到了一棵树上。fallover摔倒；倒下e.g.Don’truntoofast,oryoumightfallover.别跑的太快，要不你会摔跤的。falloversomething被某物绊倒e.g.Tommyfelloverthedogandbrokehisfrontteeth.Tommy被那只狗绊了一跤，磕断了门牙。4.Scientistssaytherearenowfewerthan2,000pandaslivingintheremainingforests.livingintheremainingforests是一个现在分词短语，用做定语，修饰pandas。e.g.thegirlssingingunderthetree树下唱歌的女孩们thewomenwashingclothesbytheriver河边洗衣服的女人们prepareforbeawakerunoverfallovertakecareofplaywithone’sownbespecialtosb.everytwoyearsdiefromillnessspendtimedoingsth.cutdownaneducationprogramendangeredanimalsthewaytointhefuture形容词和副词的比较级和最高级1.大多数形容词有三个级。1)原级:常用结构as...as...像..….一样ZhangHongisastallasTom.张红和汤姆一样高。2)比较级(用于两者之间的比较)常用结构：形容词比较级＋than...HeistallerthanI.他比我高。Grammar3)最高级(用于三者或三者以上的比较)，常用结构:the+形容词的最高级＋of/in...Heisthetallestofthethree.他是这三个人中最高的。Heisthefunniestinhisclass.他是他们班最有趣的。2.形容词、副词比较级和最高规则变化和不规则变化。a)规则变化1)一般情况下，单音节或双音节的形容词（或副词）比较级＋er，最高级＋est如：clever－cleverer－cleverestfew－fewer－fewestsmall－smaller－smallest等。2)以e结尾的词，比较级＋r，最高级＋st即可。如：nice－nicer－nicestcute－cuter－cutestlarge－larger－largest3)以辅音字母＋y结尾的变y为i＋er或est如:easy－easier－easiesthappy－happier－happiest再如：early,busy,heavy,dirty,lazy也如此。4)双写最后一个辅音字母＋er或est的词,同学要用心去记。1.fat－fatter－fattest2.thin－thinner－thinnest3.hot－hotter－hottest4.red－redder－reddest5.wet－wetter－wettest6.big－bigger－biggest5)多音节和部分双音节的词需要在形容词原级前＋more构成比较级，＋themost构成最高级。如：beautiful－morebeautiful－themostbeautiful又如:delicious,popular,important,interesting,expensive,creative双音节的词如:careful－morecareful－themostcarefuluseful－moreuseful－themostuseful少数单音节词也是这样，如：pleased－morepleased－themostpleasedtired－moretired－themosttiredb)不规则变化：good—better—bestwell—better—bestbad－worse－worstmany,much—more—mostfar—farther—farthest(距离远)far—further—furthest(程度深)old—elder—eldest(长幼)old—older—oldest(年龄)•单项选择。()1.Mybrotheris_____moreoutgoingthanme.A.manyB.littleC.much()2.October12thwasoneof______daysin2005.Shenzhou-VIwaslaunched(发射）successfully.A.excitingB.moreexcitingC.themostexciting()3.Whichcityis______,Beijing,ShanghaiorFuzhou?A.beautifulB.morebeautifulC.themostbeautiful()4._____childrenthereareinafamily,_____theirlifewillbe.A.Theless,thebetterB.Fewer,richerC.Thefewer,thebetter()5.Mobilephonesareverypopularnowandtheyare______thanbefore.A.cheapB.cheaperC.thecheapest()6.Inourcity,it’s_____inJuly,butit’seven___inAugust.A.hotter,hottestB.hot,hotC.hot,hotter()8.Jack’shandwritingisas____asMike’s.A.goodB.betterC.best()9.Wecandotheworkbetterwith____moneyand______people.A.little,fewB.less,fewerC.fewer,less()10.JimisthetalleststudentinourclassandTomisthesecond______one.A.tallB.tallerC.tallestFinishthesentenceswiththerightformsoftheadjs.1.Kateisyoung,butJoeis_______.2.Myshoesarenew.Mysister’sare______thanmine.3.Herbagisheavy,andhisis______thanhers.Butyoursis________ofall.4.Tom’skiteishigh.Jim’sis_____thanTom’s.Mike’sis__________ofthemall.5.Billisseven.JohnisnineandTomiseleven.Tomis_______thanJohnandBill.Billis_______thanJohn.Billis________andTomis_______ofthethree.youngernewerheaviertheheaviesthigherthehighestolderyoungertheyoungesttheoldestCompletethesentenceswiththerightformsofthewords.1.Jimisvery_____.LiLeiis______thanJim.(hungry)2.Kate’smooncakesare_______ofall.(nice)3.Yourboxis_____thanmine.Buthisis_______ofthethree(heavy).4.Unit2isquite_____.Unit3is_____thanUnit2.It’s__________inModule1.(hard)5.ThisTVplayis_____thanthatone.(good)hungryhungriernicerheavierheaviesthardharderthehardestbetter6.Mymotherisvery______.Sheis_______inmyfamily.(busy)7.Linglinggetstoschool______thantheothers.(early)8.ShespeaksEnglish_____inourclass.(well)9.Lucyjumpedquite_____.(far)10.IthinkEnglishisas________asChinese.(important)11.Thispictureis_____________ofthefour.(beautiful)12.Lucydid_____thanLily.(bad)busybusierearlierbestfarimportantthemostbeautifulworsetheNiletheYangtzeRivertheYellowRiver6,6706,3005,500TheYellowRiverislong.TheYangtzeRiverisalot_______thantheYellowRiver.TheNileis__________ofallTheYangtzeRiverisnot_____long____theNile.=TheYangtzeRiverisnot_____thantheNile.longerthelongestasaslonger•MountTaiishigh.•MountHuangisalittle______thanMountTai.•Qomolangmais____________ofall.QomolangmaMountHuangMountTai8,8481,8641,545MountTaiisnot_____high____Qomolangma.=MountTaiisnot_____thanQomolangma.higherthehighestasashigher•ThepopulationofSingaporeislarge.•ThepopulationofMalaysiaismuch______thanthatofSingapore.•ThepopulationofChinais_________ofall.SingaporeMalaysiaChina4,000,00020,000,0001300,000,000ThepopulationofSingaporeisnot_____large____