英语人教版八年级下册U7 Section B 1a-1d.pptx

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1、What'sthehighestmountainintheworld?义务教育教科书（人教）八年级英语下册Unit7Period3SectionB(1a-1d)阜南第三中学张钰1.Talkaboutgeographyandnature.2.Tocomparethingsusingcomparisons.3.Topracticestudents'listeningskills.naturecm(=centimeter)weighbirthatbirthuptoadult厘米v.重量是……；称……的重量n.出生；诞生出生时到达(某数量、程度等)adj.成年的；成人的n.成人；成年动物N

2、ewWordselephantPandaIs350cmtallWeighs5,000kilosEats150kilosoffoodadayIs150cmtall(standingontwolegs)Weighs100kiloseats10kilosoffoodadayComparefactsaboutthesetwoanimals.Usethelanguageintheboxtohelpyoumakesentences.(1a)Examplesentence:Thiselephantweighsmanytimesmorethanthispanda.(200cmtaller/shor

3、ter,weighmuchmore/less,eatmuchmore/less,eatmanytimesmore.)Thispandais200cmshorterthanthiselephant.Thiselephantis200cmtallerthanthispanda.1bListenandcheck(√)thenumbersyouhear._______100______16_______20______50______120_______0.1______0.2______150√√√√√1cListenagainandcompletethesentences.1.Atbi

4、rth,ababypandaisabout___to___kilos.2.Atbirth,ababypandaisabout___cmlong.3.Ababypandaisnotblack.Itis____andithasno_____.4.Apandacanliveupto___to___years.0.10.215pinkteeth2030Thiselephantweighsmanytimesmorethanthispanda.这头大象比这只大熊猫重很多倍。【句型剖析】这是一个表示比较的句式。weighmanytimesmorethan...意为“比……重很多倍”,time在此

5、表示倍数。【温馨提示】表示两倍用twice,三倍(及以上)用“基数词+times”。若要表述“比……倍还要多”可在倍数前加over,morethan。PracticeAnadultpandaweighsmanytimesmorethanababypanda.“倍数+比较级+than…”，表示“……比……(大/小/长/短……)几倍”。这个盒子比那个盒子大三倍。Thisboxisthreetimesbiggerthanthatone.1.weigh用作连系动词，意为“重量是.....”对重量提问常用Howmuchdo/does/did....weigh？或Howheavy....?他体

6、重60千克。Heweighs60kilos.2.weigh用作及物动词，意为“称....的重量”他称了这条鱼。Heweighedthefish.3.weight是weigh的不可数名词，意为“分量，重量”这些苹果的重量是多少？What'stheweightoftheapples?weigh的用法【备选要点】birthn.出生;诞生【语境领悟】*Atbirth,ababypandaisabout0.1to0.2kilos.刚出生时的大熊猫大约0.1到0.2千克。*Thewomangavebirthtotwinslastmonth.上个月那个妇女生了一对双胞胎。【自主归纳】birth名

7、词,意为“出生;诞生”,常用短语有:(1)atbirth意为“出生时”,介词短语,在句中常作时间状语。(2)givebirthto意为“生(孩子);产(仔);生产,生育”或“引起;产生;造成”。【学以致用】刚出生时,婴儿大约3千克重。________________,ababyweighsaboutthreekilos.答案:AtbirthPAIRWORKA：Ababypandacannotsee.B:Anadultpandaweighsmanytimesmoreth