优质课堂八年级英语下册_unit 7 what's the highest mountain in the world section b课件 （新版）人教新目标版

SectionB&SelfCheck,自主预习,SectionB&SelfCheck,atbirth,upto,diefromillness,cutdown,inthefuture,walkinto,大约,绊倒,SectionB&SelfCheck,fewer,than,living,there,will,be,互动探究,词汇点睛,SectionB&SelfCheck,1weighv.重量是；称的重量观察Thiselephantweighsmanytimesmorethanthispanda.这头大象比这只熊猫重很多倍。探究weigh作动词，意为“重量是；称的重量”。“weigh重量”意为“有重”。如：Itweighssixpounds.它重六磅。,SectionB&SelfCheck,拓展weigh的名词形式为weight，是不可数名词。loseweight减肥，putonweight增重。如：Sheseldomhassupperinordertoloseweight.为了减肥，她很少吃晚饭。,SectionB&SelfCheck,活学活用Iwanttolose_soIeatless.AndnowI_lessthanIusedto.(weigh),weight,weigh,SectionB&SelfCheck,2awakeadj.醒着观察At9：00am.,theyfindthatmostofthebabiesarealreadyawakeandhungry.早上9点，他们发现大多数的熊猫幼崽已经醒来并且饿了。探究awake作形容词，意为“醒着的”，在句中作表语。拓展反义词：asleepadj.睡着的,SectionB&SelfCheck,活学活用Icouldntgettosleep.Iwasstilla_.,wake,SectionB&SelfCheck,短语归纳,1atbirth出生时观察Atbirth,ababypandaisabout15cmlong.熊猫幼崽出生的时候只有15厘米长。拓展atbirth和whenbeborn是同义表达。如上句可以转换为“Ababypandaisabout15cmlongwhenitwasborn.”,SectionB&SelfCheck,活学活用她出生时只有2公斤重。Sheweighedonly2kg_.,at,birth,SectionB&SelfCheck,2upto到达(某数量、程度等)；至多有；不多于观察Apandacanliveupto20to30years.熊猫可以活到20到30岁。拓展upto还有“由决定”之意。如：Whethertogoornotisuptoyou.去还是留由你自己决定。,SectionB&SelfCheck,活学活用将来人们能活到100岁吗？Willpeople_100years?,live,up,to,SectionB&SelfCheck,3fallover绊倒观察Mikefelloverwhenhewasrunning.迈克在奔跑时绊倒了。拓展falloff意为“从掉下”；falldown意为“跌倒”；fallbehind意为“落后于”。,SectionB&SelfCheck,活学活用Anna_herbikeandhurtherknees.AfellbehindBfelldownCfelloffDfellover答案C,SectionB&SelfCheck,4orso大约观察Another200orsoliveinzoosorresearchcentersinChinaandothercountries.另外200只左右生活在中国和其他国家的动物园或研究中心。拓展由so构成的短语还有：andsoon等等，sothat为的是；以便,SectionB&SelfCheck,活学活用这本书大约两周后出版。Thebookwillbepublishedintwoweeks_,or,so,SectionB&SelfCheck,5diefrom死于观察Thebabiesoftendiefromillnessesanddonotliveverylong.熊猫宝宝经常死于疾病而且不会活很长时间。探究diefrom为固定短语，意为“死于”，与dieof同义。但是由于具体的外部创伤、劳累等外因死亡用diefrom；由于饥饿、悲伤等内因死亡用dieof。,SectionB&SelfCheck,活学活用他去年死于一场事故。He_anaccidentlastyear.,died,from,SectionB&SelfCheck,句型透视,1Thiselephantweighsmanytimesmorethanthispanda.这头大象比这只熊猫重很多倍。探究time在此处是可数名词，意为“倍；倍数”，表达倍数可用“A动词数词times比较级thanB”，意思是“A比B多少倍”。如：BobrunstwotimesfasterthanLucy.鲍勃跑得比露西快两倍。,SectionB&SelfCheck,活学活用翻译句子王林每天吃得比他妹妹多两倍。_,WangLineatstwotimesmorethanhissister.,SectionB&SelfCheck,句型透视,2Scientistssaytherearenowfewerthan2，000pandaslivingintheremainingforests.科学家们说如今生活在现存森林里的熊猫不足2000只。探究本句中的livingintheremainingforests是现在分词短语，作后置定语，修饰pandas，live和pandas之间是主动关系。如：Therearesomeoldpeoplelivinginthecountryside.有一些老人居住在农村。,SectionB&SelfCheck,拓展现在分词(短语)作后置定语时，可以转化为含定语从句的复合句。如：Therearesomechildrenswimmingintheriver.Therearesomechildrenwho/th