第七單元第四課時

Unit7What’sthehighestmountainintheworld?主備課人：陳淑佳共同備課人：王自海馬佳馬月花馬麗娜課題：What’sthehighestmountainintheworld?第4課時課題Unit7SectionA(GrammarFocus-4c)授課類型語法課課標(biāo)依據(jù)理解附錄“語法項目表”中所列語法項目并能在特定語境合作使用;了解常用語言形式的基本結(jié)構(gòu)和常用表意功能;在實際運用中體會和領(lǐng)悟語言形式的表意功能。教學(xué)目標(biāo)知識與技能1.掌握本單元重點詞匯及能用比較級和最高級談?wù)摳髦睢?能聽懂和談?wù)撚嘘P(guān)地理和自然的話題。過程與方法通過朗讀和理解本課小對話，抓住關(guān)鍵語法點，總結(jié)并運用語法規(guī)則。情感態(tài)度與價值觀培養(yǎng)學(xué)生熱愛大自然，保護環(huán)境的意識。教學(xué)重點難點教學(xué)重點1掌握本課時單詞及短語。2最高級表達方式。教學(xué)難點1形容詞和副詞的比較級和最高級變化規(guī)則和用法。2物體之間的對比。教學(xué)過程設(shè)計師生活動設(shè)計意圖二次備課Step1ReadandtranslatethesentencesingrammarfocusStep2Grammar形容詞和副詞比較級和最高級變化規(guī)則規(guī)則變化1)一般情況下，單音節(jié)或雙音節(jié)的形容詞（或副詞）比較級＋er，最高級＋est

如：clever－cleverer－cleverestfew－fewer－fewestsmall－smaller－smallest等。2)以e結(jié)尾的詞，比較級＋r，最高級＋st即可。如：nice－nicer－nicestcute－cuter－cutestlarge－larger－largest3)以輔音字母＋y結(jié)尾的變y為i＋er或est。如:easy－easier－easiesthappy－h(huán)appier－h(huán)appiest再如：early,busy,heavy,dirty,lazy也如此。少數(shù)單音節(jié)詞也是這樣，如：

pleased－morepleased－themostpleasedtired－moretired－themosttired2.不規(guī)則變化：

good—better—bestwell—better—bestbad－worse－worstmany/much—more—mostfar—farther—farthest(距離遠(yuǎn))far—further—furthest(程度深)old—elder—eldest(長幼)old—older—oldest(年齡)Step3語法規(guī)則比較級考點①比較級修飾問題

alittle,abit,even,still,much,alot,far等可修飾比較級。.TomisalittletallerthanJim.

Thisbookismuchmoreinterestingthanthatone.②同級比較.TheweatherinBeijingiscolderthanthatinXi’an.

Ourschoolisbiggerthanyours.③the+比較級.Lucyisthefatterofthetwogirls.④“a/an+比較級”

表示“又一，再一”.Lilyhasadoll,butshewants

abiggerone.⑤隱性比較（沒有than的情況）.Whorunsfaster,LucyorLily?

You’dbettercomeearliernexttime.

Heworkedhardlastterm,butheworksevenharderthisterm.⑥越來越......比較級+and+比較級b.the+比較級+句子，the+比較級+句子.It’sgettingcolderandcolder.

Themoreyouexercise,thebetteryouare.2.最高級考點說明：形容詞的最高級前必須加the;副詞的最高級前省略the。①范圍問題.Tomisthetalleststudentintheclass.

Springisthebestseasonoftheyear.②“......之一”問題.Beijingisoneofthebiggestcitiesintheworld.③“the+序數(shù)詞+最高級”.Ithinkheisthesecondtallestboyinhisclass.3.比較級和最高級的轉(zhuǎn)換.Tomisthetalleststudentintheclass.

=Tomistallerthananyotherstudentintheclass.

=Tomistallerthanalltheotherstudentsintheclass.

=NootherstudentsaretallerthanTom.2.同級比較①as+adj./adv.+as

.SheisasthinasLily.

HewritesascarefullyasLinda.

②not+as/so+adj./adv.+as

.Tonydidn'trunsofastasCarterStep4Writing(activity4c)Writefivequestionsusingcomparisons.ThenaskyourpartneryourquestionsStep5Fillintheblankswiththecorrectformsofthewordsinthebox.bigmuchpopularlongoldhigh1.TheAmazonRiverisoneofthe_______riversintheworld.It’salittle_______thantheYangtzeRiver.2.Qomolangmais8,meters_____.It’soneofthemost________placesforseriousmountainclimbers.3.Nooceanintheworldisas_____asthePacificOcean.4.AlthoughJapanis_______thanCanada,itis_______smaller.Step6Writetwocomparisonsabouttwotopics.Writetruefacts..Tworivers:theYangtzeRiverandtheAmazonRiverTheYangtzeRiverisalmostaslongastheAmazonRiver.TheAmazonislongerthantheYangtze,buttheYangtzeRiveristhelongestriverinChina.Twocities:___________and______________________________________________________________2.______________________________________________________Twoanimals:___________and___________1.______________________________________________________2.Step7homework：1.Tomemorizethei