八下unit-7上课课件

Unit7

What’sthehighestmountain

intheworld?SectionAPeriodOne学习目标:1.熟练掌握数字的读法2.学习长，宽，高，深及面积的表达方式。3.使用最高级谈论一些世界之最的地理景观。Let,scount:1001,00010,000100,0001,000,00010,000,000onehundredonethousandtenthousandonehundredthousandonemilliontenmillion练一练3451,00178,632564,869threehundredandforty-fiveonethousand(and)oneseventyeightthousandsixhundredandthirtytwofivehundredandsixtyfourthousandeighthundredandsixtynine再练一练1235674566457892501,2347,8968,4319,5636,67754,32112,34577,88967,352100,250112,2338844.43eightthousandeighthundredandfoutyfourpointfortythreeWhatnumberisit?It'stheheightofQomolangmaQomolangma

highest

8,844.43metershighQomolangmaisthehighestmountainintheworld.

theCaspianSeasaltlakebiggestTheCaspianSea

isthebiggestlakeintheworld.

1,025metersdeep

theNile

longest

6,671kilometerslongTheNileisthelongestriverintheworld.

theSahara

biggestdesert

9,600,000squarekilometersinsizeTheSaharaisthelargestdesertintheworld.TheGreatWall

6-7meterswide

TheGreatWallisthewidestwallintheworld.Matchthefactsyouknow.1aQomolangmaTheSaharaTheCaspianSeaTheNileabout9,600,000squarekilometersinsize1,025metersdeep6,671kilometerslong8,844.43metershighListenandcompletethesentences.Qomolangmais______thananyothermountainintheworld.TheSaharais_________desertintheworld.TheCaspianSeais_________ofallthesaltlakes.TheNileis_________riverintheworld.1bhigherthebiggestthedeepestthelongestPairworkA:What’sthehighestmountainintheworld?B:It’stheQomolangma

A:Howhighisit?B:It’sabout

8,844.43metershigh

Languagepoints1.long

wide

high

deep

insize

2.用来提问时的特殊疑问词是：twometerslong20meterswide54metershigh15metersdeepsixsquaremetersinsize翻译句子

1.这张桌子两米长，一米宽。2.这座山有1500米高。3.这栋楼120米高。4.这本字典有五厘米厚。5.这个湖有多深？1025米深。Thetableistwometerslongandonemeterwide.Themountainis1,500metershigh.Thebuild