英语人教版八年级上册unit7-Section A 1(1a-1c).ppt

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1、Unit7What'sthehighestmountainintheworld?sectionA11a-1c2017年5月3日Kilo千newwordssquaren.平方metern.米deepadj.深的desertn.沙漠populationn.人口Asian.亚洲What’sthehighestmountainintheworld?Whichisthebiggestdesertintheworld?Whichisthedeepestsaltlakeintheworld?Whichisthelongestriverintheworld?…Qomolangmathehighe

2、stmountainintheworldmountaintheSaharathebiggestdesertintheworlddeserttheCaspianSeathedeepestofallthesaltlakeslaketheNilethelongestriverintheworldriverPresentationHowtosaythesenumbers?1.1-19：one,nineteen,2.整十：--tytwenty---ninetyhundred单复数同形thousand百万：million百：千：万：3.1万=10thousand10万=100thousand

3、×6716,6711,0259,600,000onethousandandtwenty-fivesixthousandsixhundredandseventy-oneninemillionsixhundredthousandmillion百万thousand千fourpointfourthreesixhundredandseventy-oneeightthousandeighthundredandforty-fourpointfourthree8,844.434.43Matchthefactsyouknow.1aQomolangmaTheSaharaTheCaspianSeaTh

4、eNileabout9,600,000squarekilometersinsize1,025metersdeep6,671kilometerslong8,844.43metershighclassroomlong6mwide5mHowbigisourclassroom?It’s30squaremetersinsize.平方米在大小方面，在规模上It’s6meterslong.数字+计量单位+形容词原形(insize)It’s5meterswide.Listenandcompletethesentences.Qomolangmais______thananyothermountai

5、nintheworld.TheSaharais_________desertintheworld.TheCaspianSeais_________ofallthesaltlakes.TheNileis_________riverintheworld.1bhigherthebiggestthedeepestthelongestthe+序数词+最高级+(名词单数)表示“第几(最)……”HainanIslandisthesecondbiggest(island)inChina.海南岛是中国第二大岛。Thelongestriverintheworldis_______.theNileAn

6、dtheAmazonisthesecondlongestriverintheworld.Itishigherthananyothermountainintheworld.比较级+than+anyother+单数名词，意为“比其他……都…..”,用比较级形式表达最高级含义.Thehighestmountainintheworldis___________.Qomolangmadeeperthananyotherlake=thedeepestlakeTheSaharaDesert________________isthebiggestdesertintheworld.TheCaspi

7、anSeaisthe________saltlakeintheworld.deepest最深的A:Whatthehighestmountainintheworldis?B:Yes.Qomolangmaisthehighestmountainintheworld.A:Howhighisit?B:It’sover8,844metershigh.Activity-2PairworkTakeoutyournotes.Makeconversationswithyourpartnerlike