八年级下英语unit7sectionB知识讲解

Unit7What’sthehighestmountainintheworld?SectionB第一页，共49页。1a.Comparefactsaboutthesetwoanimals.Usethelanguageintheboxtohelpyoumakesentences.第二页，共49页。Examplesentence:Thiselephantweighsmanytimesmorethanthispanda.(200cmtaller/shorter,weighmuchmore/less,eatmuchmore/lesseatmanytimesmore)Thiselephantis200cmtallerthanthispanda.Thiselephantweighs50timesthanthispanda.Thiselephanteatmuchmorethanthispanda.第三页，共49页。1b.Listenandcheck(✓)thenumbersyouhear._____100_____16_____20_____50_____120_____0.1_____0.2______150✓✓✓✓✓第四页，共49页。1.Atbirth,ababypandaisabout______ to_______kilos.2.Atbirth,ababypandaisabout_____cmlong.3.Ababypandaisnotblack.Itis________andithasno________.4.Apandacanliveupto____ to____years.1c.Listenagainandcompletethesentences.pink0.2150.1teeth2030第五页，共49页。1d.Taketurnstellingyourclassmatesaboutpandas.A:Ababypandacannotsee.B:Anadultpandaweighsmanytimesmorethanababypanda.第六页，共49页。bigbamboozoo popularcuteblackandwhiteSichuanfamousendangeredbeautifulforestprotect2a.Talkaboutpandasinyourclass.UsethesewordstohelpyouPairwork第七页，共49页。2b.Scanthearticletofindoutwhatthesenumbersmean:10,12,200，2,000.ScanningThismeansmovingyoureyesquicklydownthepagetofindspecificinformation.第八页，共49页。1.beawake醒着2.diefrom死于…..3.spenddoing花费(huāfèi)时间做某事4.runoverwithexcitement兴奋地跑过去5.walkintosb.撞到某人6.fallover摔倒7.orso大约8.takecareof照顾;照料9.prepare…for…为…准备10.Intheremainingofforests再现存的森林里11.everytwoyears每两年12.cutdowntheforests砍伐林木13.endangeredanimals濒危动物14.fewerandfewerpandas大熊猫越来越少15.beindanger处于危险之中第九页，共49页。Itis8:30a.m.attheChengduResearchBase.LinWeiandtheotherpandakeepersarepreparingthemilkforthebabypandas’breakfast.At9:00a.m.,theyfindthatmostofthebabiesarealreadyawakeandhungry.Whenthebabiesseethekeepers,theyrunoverwithexcitementandsomeofthemevenwalkintotheirfriendsandfallover!第十页，共49页。“They’resocuteandlovely.Itakecareofthemlikethey’remyownbabies.Iwash,feedandplaywiththemeveryday.They’reveryspecialtome.”LinWeilovesherjob,butitisadifficultone.Pandasdonothavemanybabies,maybeonlyoneeverytwoyears.Thebabiesoftendiefromillnessesanddonotliveverylong.第十一页，共49页。Adultpandasspendmorethan12hoursadayeatingabout10kilosofbamboo.Manyyearsago,therewerealotmorebambooforestsandpandasinChina,butthenhumansstartedtocutdowntheforests.Scientistssaytherearenowfewerthan2,000pandaslivingintheremainingforests.

Another200orsoliveinzoosorresearchcentersinChinaandothercountries.第十二页，共49页。AneducationprograminChengduteacheschildrenincitiesaboutpandasandotherendangeredanimals.Theysendpeopletoschoolstotellchildrenabouttheimportanceofsavingtheseanimals.Thechildrensingsongsormakeartworkaboutpandasandotherwildanimals.Teachingchildrenisonewaytohelpsavepandas.第十三页，共49页。TheChinese

governmentisalsoplantingmorebambootreessotherewillbemoreforestsforpandastolivein.Weallhopethatinthefuturetherewillbealotmorepandasthannow.第十四页，共49页。WhatisLinWei’sjob?

2.Whatdothebabypandaseatforbreakfast?

2c.Scanthearticleagainandwriteshortanswerstothequestions.Heisresponsiblefortakingcareofthepandas,Includingwashing,feeding,playingwiththem.Theydrinkmilkforbreakfast.第十五页，共49页。3.Whatdoadultpandaseat?

4.Whyarepandasendangered?

5.Whatisonewayofsavingpandas?Theyeatbamboo.Ononehand,thebabypandasdon’tlivelongbecauseofillnesses;Ontheotherhand,pandasfeedonbamboo,buthumanscutdownthebambooforests.Teachingchildrentheimportanceofsavingpandas/Plantingmorebambootrees.第十六页，共49页。1.Thepanda__________ attheChengduResearchBaseareawakeveryearlyinthemorningto_________breakfastforthebabypandas.2.Adultpandasdonothavebabiesvery__________,andsomeofthebabiesonlyliveforashorttimebecauseof___________.2d.Completethesentencesusingwordsandphrasesfromthepassage.keepersprepareoftenillnesses第十七页，共49页。3.Anotherreasonforfewerandfewerpandasisbecausepeoplearecuttingdown____________sopandashavefewerplacestolive.4.AspecialprograminChengduteaches___________aboutwhypandasare_______andhowtosavethem.5.The____________________isalsohelpingtosavethepandas.Itis_____________moretreestomakemorehomesforthepandas.forestschildrenendangeredChinesegovernmentplanting第十八页，共49页。3a.Readthefollowingwordsandphrasesaboutwhales.Puttheminthecorrectplaceinthechart.Humanscatchwhalesformeat,fatandoilEatsmallfishandothersealifeJumphighoutofthewaterRulesonwhaleprotectionHugeWaterpollution第十九页，共49页。LiveintheseaSomekindshaveteethLearnmoreaboutwhalesStopputtingrubbishintotheseaSingsongsWhalepartssoldtomakethingslikecandlesandsoap第二十页，共49页。Whatdotheylooklike?Wheredotheylive?Whatdotheyeat?Whatcantheydo?Whydosomeofthemhavetobeprotected?Howcanweprotectthem?Huge;SomekindshaveteethLiveintheseaEatsmallfishandothersealifeJumphighoutofthewater;SingsongsHumanscatchwhalesformeat,fatandoil;Waterpollution;WhalepartssoldtomakethingslikecandlesandsoapRulesonwhaleprotection;Learnmoreaboutwhales;Stopputtingrubbishintothesea第二十一页，共49页。Whalesare...Theylivein...Theyeat...Theycan...Oneinterestingfactis...Anotherinterestingfactis...Somekindsofwhalesareindangerbecause...Weshouldprotectwhalesfrom...Ithinkpeopleshould/shouldn’t...3b.Writeaparagraphaboutwhalesandwhytheyneedtobeprotected.Usetheinformationin3a.Thenmakeaposter.第二十二页，共49页。DiscusswithyourpartnerWhichisthebesttown/city?…hasthebest…isthebestbecause……betterthan…,but…isthemost…IthinkQingdaoisthebestcityinChina,becauseitisthemostbeautiful.ButIthinkBeijingisthemostpopularcityforvisitors.第二十三页，共49页。Beijingisnotverycoldinwinter.It’sabout-10°c.Itdoesn’toftenrainorsnow.Hotelsusuallycuttheirpricesinwinter.About200yuananightisenough.第二十四页，共49页。SanyaisinHainanProvinceinsouthernChina.It’sstillwarminwinter.It’sabout15°cintheafternoon.Sanyahasbeautifulbeaches.Thepriceofahotelroomisabout320yuananight.Sanya第二十五页，共49页。HarbininthenorthofChina(innorthernChina)HarbinisinthenorthofChina.It’scoldinwinter,sometimes-30°c.Touristsneedtowearwarmclothes.ThereisanIceandSnowFestivalinwinter.Ahotelroomisabout230yuananight.第二十六页，共49页。Homework1.Howmuchdoyouknowaboutpandas?sharewithyourpartners.Anddiscusshowtoprotectthem.2.Searchmoreinformationaboutwhalesontheinternet.第二十七页，共49页。Unit7What’sthehighestmountainintheworld?SelfCheck第二十八页，共49页。cheapbigclosefriendlypopularcomfortablegood/wellbad/badly比较级和最高级填空(tiánkòng)：much/manyfarcheapercheapestbiggerbiggestcloserclosestfriendlierfriendliestmorepopularthemostpopularmorecomfortablethemorecomfortablebetterbestworseworstmoremostfartherfarthest第二十九页，共49页。1.Paulisvery_______.Heis________thanhisbrother.A.heavyheavier B.heavyheavy C.heavierheavierD.heavyheavyer2.Ithasthe________clothingstoreinthetown.A.goodestB.gooddest C.bestD.better3.Thisruleris____thanthatone.A.longB.longerC.thelongestD.longest4.Thisbookis____ofall.A.cheapestB.cheapD.cheaperD.thecheapest5.Heismuch____thanhisbrother.A.tallerB.tallC.thetallestD.tallest6.LiLeiis____olderthanLucy.A.quiteB.veryC.muchD.more一.单选。第三十页，共49页。7.Thisisoneof____filmsofthisyear.A.moreexcitingB.excitingC.themostexcitingD.mostexciting8.TheweatherinBeijingiscolderthan_____.A.inGuangzhouB.GuangzhouC.thatinGuangzhouD.thatfromGuangzhou9.Tomis____ofthetwoboys.A.tallerB.tallestC.thetallerD.thetallest10.Ofmyparents,myfatherlooks_____.A.oldB.olderC.theoldestD.theolder11.Thiswatchis____thanthatone.A.muchexpensiveB.expensiverC.moreexpensiverD.moreexpensive第三十一页，共49页。三.填空(tiánkòng)：

1.Lilygetsup__________(early)thanLucy.2.Whichgoes______________(slowly),TomorJim?3.Thisbookis_____________________(interesting)thanone.earliermoreslowlymoreinteresting4.Sheworks____________________(careful)inherschool.5.Whogoestobed____________(late)Jim,TomorJack?6.Ithinkturkeyis______________________(delicious)ofall.themostcarefullythelatestthemostdelicious第三十二页，共49页。二.用括号中形容词的适当(shìdàng)形式填空。1.Iamvery_______.ButTomis____________thanI.Frankis_________________.（tired）2.Whichis_____________（difficult）,physicsorbiology?3.Thisbookis________thantheothertwo.Itis____________ofthethree.（easy）4.Insummerit’s_______（hot）inWuHanthaninBeijing.5.TheChinesepeoplehaveamuch_______（good）lifenow.tiredmoretiredthemosttiredmoredifferenteasiertheeasiesthotterbetter第三十三页，共49页。1.Completethechart.AdjectivesComparativesSuperlatives

highdangerouslongpopularhigherhighestmoredangerousmostdangerouslongerlongestmorepopularmostpopular第三十四页，共49页。2.Matchverbsandobjects.Thenaddonemoreobjecttoeachlist.Verbs

Objects

1.reacha.mylife,mymoney,... 2.achieve b.thetopofamountain,thelibrary,...3.riskc.mydream,success,…第三十五页，共49页。ReachthetopofamountainReachthelibraryReachthebusstopReachtheagreement（达成协议）AchievemydreamsAchievesuccessAchievethefirstplaceAchieveourgoalRiskmylifeRiskmymoneyRiskmanagement(风险管理)Riskdefeat(冒着失败(shībài)的风险)第三十六页，共49页。1.Anelephantweighs(few/many)timesmorethanadog.2.Anadultpandacaneat(much/alittle)morethanacat.3.Canadaisa(little/lot)less__________(crowded)thanChina.4.Atigeris(much/alittle)_________(strong)thanaman.3Circlethecorrectwordand/orfillintheblankwiththecorrectformofthewordinbracketsforeachsentence.crowdedstronger第三十七页，共49页。()

1.Thebikecostme________yuan.Afivehundredandforty

Bfivehundredsforty

Cfivehundredforty

DfivehundredfortyA

()2.____peopleintheworldaresendingandreceivinge-mailseveryday.

A.Millionof

B.Manymillionsof

C.Severalmillionof

D.SeveralmillionsB二、单项选择(xuǎnzé)。第三十八页，共49页。()3._______treeswereplantedonthemountainlastyear.

A.ThousandsofB.ThousandofC.FivethousandofD.Fivethousands.A

()4.Canyouwritethenumbereighty-five

thousand,six

hundredandtwenty-six?Yes,itis__________.A.856620B.85626C.58662D.58626B第三十九页，共49页。

5_______isthepopulationofyourcountry?

A.Howmany

B.Howmuch

C.Which

D.What6Astimegoeson,theworld’spopulationis_________.

A.moreandmore

B.largerandlarger

C.smallerandsmaller

D.fewerandfewerBD第四十页，共49页。三、将下列(xiàliè)形容词变成比较级形式：

old→fat→young→ugly→high→low→light→white→sunny→hot→cool→olderfatteryoungeruglierhigherlowerlighterwhitersunnierhottercooler第四十一页，共49页。四、词汇(cíhuì)1.I’mtallbutmysisteris________(short).2.Mymotherhaslonghair,andmysisterhas________(long)hair.3.Thislittlebabyis_________________(outgoing)thanthatone.shorterlongerm