Unit7

What'sthehighestmountainintheworld?

SectionA1a-1c

Hello,everybody,I’mMissLiaoIliketravelingcomewithmeFromthedeserttotheriverSeethemountainseetheseaWouldyouliketotravelwithme?Task1

Knowhowtoreadthelargenumbers66718844.86630096,000,00010251.千位及千位以上數字的表達：以三位數為一個單位，從右至左，每三位數用“，”隔開。Tips2.逗號讀法：閱讀時，將每三位數看作一個單位，從右至左，依次為thousand(千），million（百萬），billion（十億），每個單位按照百位、十位、個位向下讀，其中百位到十位之間要加and,小數點讀作point,小數點后面一個一個讀。3.hundred,thousand，million，billion都不能加s。Canyoureadthesenumbers?SixthousandsixhundredandseventyoneOnethousand

andtwenty-fiveEightthousand,eighthundred

and

forty-four,pointeightsixNinemillion,sixhundredthousandpractice6,6711,0258,844.869,600,000Theworldissobig,andIcan’twaittoseeit!TheQomolangma

HowhighistheQomolangma?Itis8844.86metershigh.HowlongistheNile?

TheNileItis6671kilometerslong.TheCaspianseaSaltlake咸水湖Freshlake淡水湖HowdeepistheCaspiansea?

Itis1025metersdeep.Howbigisthesahara?ThesaharaItisabout9,600,000squarekilometersinsize.Doyouknowwhytheseplacesarefamous?

1b.Listenandcompletethesentences.1.Qomolangmais______thananyothermountainintheworld.2.TheSaharais____________desertintheworld.3.TheCaspianSeais____________ofallthesaltlakes.4.TheNileis_________riverintheworld.Whilelisteninghigherthebiggestthedeepestthelongest1.Qomolangmais_______thananyothermountainintheworld.Qomolangmais______________mountainintheworld.2.TheSaharais____________desertintheworld.TheSaharais____________anyotherdesertintheworld.PracticehigherThehighestthebiggestbiggerthanPost-listening1c.Usetheinformationin1btomakeconversations.Howhighisit?Whatisthehighestmountainintheworld?QomolangmaItis8844.86metershigh.Post-listening1c.Usetheinformationin1btomakeconversations.How__

isit?Whatis_____intheworld?The

_____Itis_____.單項選擇。1.Ithinksheis____ofallthegirls.

A.beautiful

B.morebeautiful

C.mostbeautiful

D.themostbeautiful2.---Howtallheis!