英语人教新目标八年级下册Unit7 Section A 1a-1c

教学目标1.能够掌握重点词汇、短语和表达方法；2.能用形容词、副词最高级形式谈论地理、自然之最的话题；3.能够领略自然之美，培养热爱大自然和保护环境的意识。学习重点：单词、短语、句子学习难点：形容词和副词的比较级和最高级变化规则和用法。

立本求真德能并重

WorldRecord—DOYOUKNOW?What’sthehighestmountainintheworld?What’sthelongestriverintheworld?What’sthedeepestsaltlakeintheworld?What’sthelargestdesertintheworld?

立本求真德能并重

Doyouknowwhattheyare?

Topoftheworld

立本求真德能并重

QomolangmaItisthehighestmountainintheworld.Itis8,844.43metershigh.ItisinChina.Thehighestmountain

立本求真德能并重

theNileItisthelongestriverintheworld.Itis6,671kilometerslong.ItisinAfrica.Thelongestriver

立本求真德能并重

theCaspianSea.Itisthedeepestsaltlakeintheworld.Itis1,025metersdeep.ItisbetweenAsiaandEurope.Thedeepestsaltlake

立本求真德能并重

theSaharaTheSaharaisthebiggestdesertintheworld.ItisinNorthAfrica.Itisabout9,600,000square

kilometersinsize.Thebiggestdesert

立本求真德能并重

844eighthundredandforty-four1,0001,025600,000onethousandonethousandandtwenty-fivesixhundredthousand1,000,000

onemillion

Readnumbers

millionthousand

立本求真德能并重

立本求真德能并重

TheCaspianSea1,025metersdeepTheNile6,671kilometerslongTheSahara9,600,000squarekilometersinsize(ninemillionsixhundredthousand)(onethousandandtwenty-five)(sixthousandsixhundredandseventy-one)Readlargenumbers

3zeropointonethreepoint

onefourfourpoint

fourthreeQomolangma8,844.43metershigh.

point(eightthousandeighthundredandforty-fourpoint

fourthree)Readsmallnumbers

立本求真德能并重

Qomolangmaabout9,600，000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershighMatchthefactsyouknow.Howtoread?表示长、宽、高时常用句型：基数词+单位词（meter,foot,inch,kilo等）+形容词（long,wide,high,tall）Qomolangmaabout9,600，000squarekilometersinsizeTheSahara1,025meters

deepTheCaspianSea6,671kilometers

longTheNile8,844.43meters

high

立本求真德能并重

1bListenandcompletethesentences.1.Qomolangmais______thananyothermountainintheworld.2.TheSaharais____________desertintheworld.3.TheCaspianSeais____________ofallthesaltlakes.4.TheNileis_________riverintheworld.higherthebiggestthedeepestthelongestthehighestmountainbiggerthananyotherdesert

立本求真德能并重

形容词的最高级及比较级表达最高级含义

最高级：the+形容词/副词-est...+in/ofQomolangmaisthehighest

ofallthemountains.=Qomolangmaishigherthananyothermountainintheworld.最高级：the+形容词/副词-est+单数名词+in/of=形容词、副词比较级+than+anyother+单数名词+in/ofTheSaharaisthebiggestdesertintheworld.=TheSaharais_______than_________________intheworld.TheNileisthelongestriverintheworld.=TheNileis______than_________________intheworld.biggeranyotherdesertlongeranyotherriverPractice

立本求真德能并重

Practice:A:Wheworld?B:...

A:How...isit?B:Itis...high/deep/insize...1c

Usetheinformationin1a&1btomakeconversations.1,025metersdeep9,600,000km²insize8,844.43metershigh6,671kilometerslong

立本求真德能并重

1.TheSaharadesertisabout9,600,000s

kilometers.2.TheCaspianSeaisthed

ofallthesaltlakes.3.Qomolangmais8,844.43m

high.4.TheNileisl

thananyotherriverintheworld.quareeepestetersonger根据句意首字母填词

立本求真德能并重

句型转换1．ChinaisthebiggestcountryinAsia.(改为同义句)Chinaisbiggerthan________________________inAsia.2．TheCaspianSeais1,025metersdeep.（对划线部分提问）_________________istheCaspianSea?3.Ericismorepopularthananyotherstudentinhisclass．(改为同义句)Ericis________________________inhisclass．4.Tinais1.44meterstall.Ginais1.75meterstall.（合并成一句）

Ginais

____________thanTina.anyothercountryHowdeepthemostpopul