Unit7What'sthehighestmountainintheworld?SectionAGrammarFocusTeachingaims:1.能夠正確讀出GrammarFocus中的句子；2.初步掌握形容詞、副詞的比較級和最高級的用法。What'sthehighestmountainintheworld?Qomolangma.HowhighisQomolamgma?It's8848.86metershigh.It'shigherthananyothermountain.Whichisthedeepestsaltlakeintheworld?TheCaspianSeaisthedeepestofallthesaltlakes.DidyoukonwthatChinaisoneoftheoldestcountriesintheworld?Yes,Idid.It'smucholderthantheUS.GrammarFocus觀察句子紅色字體單詞，說一說他們的特點形容詞的比較級和最高級比較級，最高級的構成規則變化1)一般情況下，單音節或雙音節的形容詞/副詞比較級＋er，最高級＋estsmall-smaller-smallest2)以e結尾的詞，比較級＋r，最高級＋stnice－nicer－nicest3）以輔音字母＋y結尾的，變y為i＋er,+esteasy－easier－easiest

比較級，最高級的構成4)以一個輔音字母結尾的重讀閉音節，雙寫輔音字母+er/estfat－fatter－fattestwet－wetter－wettest5)多音節和部分雙音節的詞需要在原級前＋more構成比較級,或＋themost構成最高級careful－morecareful－themostcarefulbeautiful－morebeautiful－themostbeautiful不規則變化：原級漢語意思比較級最高級good,well好的betterbestmany,much許多moremostbad,badly壞的，病的，壞地worseworstfar遠的進一步的fartherfurtherfarthestfurthestold老的，舊的年長的，（歲數）大的olderelderoldesteldestlittle少的lessleast妙記順口溜：兩“好””兩“多”兩“壞”一“遠”一“老”一“少”形容詞和副詞的比較級和最高級1)原級:常用結構as...as...

“和..….一樣”eg.ZhangHongisastallasTom.張紅和湯姆一樣高。2)比較級(用于兩者之間的比較)常用結構：比較級＋than...eg.HeistallerthanI.他比我高。3)最高級(用于三者或三者以上的比較)，常用結構:the+最高級+of/in/among...

eg.Heisthefunniestinhisclass.他是他們班最有趣的。大多數形容詞和副詞都有三個級常用結構/句式Whoisthetallest

inourclass?Wangjiisthetallest

inourclass.Wangjiis__________anyotherstudentinourclass.tallerthanNostudentinourclassis___________Wangji.astallasFillintheblankswiththecorrectformsofthewordsinthebox.1.TheAmazonRiverisoneofthe_______riversintheworld.It’salittle_______thantheYangtzeRiver.2.Qomolangmais8,848.86meters_____.It’soneofthemost________placesforseriousmountainclimbers.3.Nooceanintheworldisas_____asthePacificOcean.4.AlthoughJapanis_______thanCanada,itis_______smaller.longestlongerhighpopularbigoldermuch4a1.Actionsspeaklouderthanwords.(事實勝于雄辯）2.Betterlatethannever.（遲做總比不做好）3.Honstyisthebestpolicy.（誠實總是上策