學必求其心得，業(yè)必貴于專精學必求其心得，業(yè)必貴于專精學必求其心得，業(yè)必貴于專精2020秋高一英語外研版必修一學案：Module5SectionⅡGrammar——比較等級含解析SectionⅡGrammar——比較等級［語法圖解][課文原句感知]①Theearthisforty-ninetimesaslargeasthemoon。②Theearthisforty-ninetimeslargerthanthemoon.③Thisstonebridgeistwicethelengthofthewoodone.④Thebookisasinterestingasthatone。⑤It'sgettingbrighterandbrighter?、轙hecloseryouare,themoreyou’llsee.⑦Weneedapiecewhichismuchbiggerthanthat。[語法領(lǐng)悟]（1）例句①②③為倍數(shù)表達法，其結(jié)構(gòu)分別是：句①倍數(shù)＋as＋形容詞＋as；句②倍數(shù)＋比較級＋than；句③倍數(shù)＋the＋性質(zhì)名詞＋of。（2)例句④為原級比較,其結(jié)構(gòu)是as＋形容詞＋as。(3）例句⑤⑥⑦是比較級的表達.其中例句⑤的結(jié)構(gòu)是比較級＋and＋比較級；例句⑥的結(jié)構(gòu)是the＋比較級,the＋比較級；例句⑦中用了much修飾比較級。一、英語倍數(shù)表達法1．倍數(shù)表達法的三個常用句型（1)倍數(shù)＋as＋adj。/adv.＋asThisbigstoneisthreetimesasheavyasthatone。這塊大石頭的重量是那一塊的三倍。（2）倍數(shù)＋比較級＋thanThishallisfivetimesbiggerthanourclassroom.這個大廳是我們教室的五倍大.(3）倍數(shù)＋the＋性質(zhì)名詞（size,height，width,depth，length等）＋ofThishillisfourtimestheheightofthatsmallone。這座山的高度是那座小山的四倍.［名師點津]英語中，用twice或double表示兩倍，三倍或三倍以上用基數(shù)詞＋times，如threetimes,fourtimes.2．倍數(shù)表達法的兩個變體(1)倍數(shù)＋what從句Therainfallthisyearistwicewhatitwaslastyear.今年降雨量是去年的兩倍。（2）倍數(shù)＋asmany/much＋名詞＋asWehaveproducedthreetimesasmanycomputersaswedidlastyear。我們生產(chǎn)的計算機是去年的三倍多.［即學即練1］（1）一句多譯這條街是那條街的四倍長。①Thisstreetisfourtimeslongerthanthatone.②Thisstreetisfourtimesaslongasthatone.③Thisstreetisfourtimesthelengthofthatone.（2)句型轉(zhuǎn)換④Hisbooksarethreetimesasmanyashisyoungersister’s?！鶫ehasgotthreetimesasmanybooksashisyoungersister。二、形容詞和副詞的比較等級1．形容詞和副詞的比較等級的基本句式(1)原級比較：“。..as＋形容詞/副詞原級＋as。..”表示“和……一樣”，否定式為“.。。notas/so＋形容詞/副詞原級＋as。..”Thispictureisasbeautifulasthatone。這幅畫和那幅畫一樣漂亮。Theworkisnotas/sodifficultasyouimagined。這工作沒有你想象的那么難.[名師點津］在此句式中，若形容詞原級后面跟單數(shù)可數(shù)名詞，則應(yīng)注意冠詞與形容詞的位置關(guān)系，即“as＋形容詞原級＋a(n）＋單數(shù)可數(shù)名詞＋as”。Heisascleveraboyashisbrother.他是和他哥哥一樣聰明的男孩子。（2)比較級：“形容詞/副詞比較級＋than”意為“比……更……"Shespeakslouderthanhermother。她比她媽媽說話聲音大.Mycomputerismoreexpensivethanhers。我的電腦比她的貴。2．形容詞和副詞比較級的特殊句式（1)“the＋比較級,the＋比較級"表示“越……,就越……”Themorecarefulyouare,thefewermistakesyou’llmake。你越仔細，犯的錯誤就越少。（2）“比較級＋and＋比較級”表示“越來越……"Withsummercoming，thedayisbecominglongerandlonger。隨著夏天的到來,白天變得越來越長。Myhometownisgettingmoreandmorebeautiful。我的家鄉(xiāng)正變得越來越美麗。(3)“the＋比較級＋ofthetwo＋n。"表示“兩者中較……的那個"Theyoungerofthetwobrothersisalawyer。兩兄弟中較年輕的那個是一名律師。(4）“否定詞＋比較級"結(jié)構(gòu)表示最高級含義Ihaveneverseenamoreinterestingbook。這是我所看過的最有趣的書。Youcouldn’tfindabetterplacetolivein。這是你能找到的最好的居住地。[即學即練2]（1）單句語法填空①Thegirlcanrunasfastashereldersister。②Ididn’tdomyhomeworkascarefully（careful）asyou。③Thisbookisasinterestingabookasthatone.（2）完成句子④Itbecomescolderandcolderwhenwintercomes.冬天來了，天氣變得越來越冷。⑤Theharderyoustudy,thegreaterprogressyouwillmake。你學習越努力，取得的進步就越大。⑥Ihaveneverseenabetterfilm.我從未看過比這更精彩的影片。3．比較等級的程度狀語(1）比較級前可以用一些表示程度的詞修飾，說明兩者相比程度的大小。常用的有:alittle,abit,alot，much,far,byfar，agreatdeal,greatly，even,still,yet，no,rather等.HedidmuchbetterthanIinmaths。他數(shù)學學得比我好多了.ShearrivedalittleearlierthanIthismorning.今天早上她比我稍早一點到達。Evenworse，theamountoffastfoodthatpeopleeatgoesup。更糟糕的是,人們吃的快餐數(shù)量上升了。(2)比較級前還可以用表示倍數(shù)的詞或度量名詞作修飾語。例如ahead，twometers等。Thisropeistwometerslongerthanthatone。這根繩子比那根長兩米。（3）疑問句中用any修飾比較級。Areyoufeelinganybettertoday？你今天感覺好些了嗎？［即學即練3］翻譯句子①他比他弟弟高多了。(far)He_is_far_taller_than_his_younger_brother。②他比他媽媽高一頭.（ahead）He_is_a_head_taller_than_his_mother.③他對此事的了解甚至比我還少。(even)He_knows_even_less_about_it_than_I_do。④你能開慢點嗎?（abit)Can_you_drive_a_bit_more_slowly？鏈接高考——單句語法填空1．(2018·全國卷Ⅰ）Accordingtoareviewofevidenceinamedicaljournal,runnerslivethreeyearslonger(long)thannon-runners.2．(2017·浙江）Sixteenyearsearlier(early),Pahlssonhadremovedthediamondringtocookameal.3．（2013·全國卷Ⅱ)Itmaynotbeagreatsuggestion.Butbeforeabetter(good)oneisputforward，we’llmakedowithit。4．（2012·全國卷Ⅰ）Theresultisnotveryimportanttous,butifwedowin，thensomuchthebetter(good)．5．(2012·北京)Manypeoplehavedonatedthattypeofblood;howeverthebloodbankneedsmore（much）．6．(2011·四川)-HowwasyourrecenttriptoSichuan？—I’veneverhadamore_pleasant（pleasant）onebefore.7．（2011·陜西）ThenewstadiumbeingbuiltforthenextAsianGameswillbethreetimesasbigasthepresentone.8．（2010·全國卷Ⅱ)MrBlackisveryhappybecausetheclothesm