八年級英語下冊unit7what’sthehighestmountainintheworldsectionb1a_2e課件新版人教新目標版

第四課時 SectionB 1a 2e Unit7 What sthehighestmountainintheworld 課文呈現 知識講解 第四課時 SectionB 1a 2e 詞匯聽寫 課堂導入 1a 1b 課堂小結 課后作業(yè) 課堂練習 同學們 上一課學習的單詞你們都掌握了嗎 現在大家來檢驗一下 點擊下面的音頻開始聽寫吧 Howmuchdoyouknowaboutpanda Comparefactsaboutthesetwoanimals Usethelanguageintheboxtohelpyoumakesentences 1a Examplesentence Thiselephantweighsmanytimesmorethanthispanda 200cmtaller shorter weighmuchmore less eatmuchmore less eatmanytimesmore Thispandais200cmshorterthanthiselephant Itweighsmuchlessthanthiselephant too Thiselephanteatsmuchmorethanthispanda Iteatsmanytimesmorethanthispanda Thiselephantweighsmanytimesmorethanthispanda 這只大象比這只大熊貓重很多倍 知識點 1 考向一 weigh既可作及物動詞 表 稱重 也可作連系動詞 表 有 重 重 eg Iweighedthebox Itweighs20kg 我稱了這個盒子 它重20公斤 典例 He weight only70kilosnowaftertakingabalanceddiet weighs 其名詞形式為weight 常用短語 inweight在體重方面 eg Theboyweighs20kg Theboyis20kginweight 這個男孩重20公斤 拓展 考向二 timesn 倍表示 A比B長 寬 高 大 重等 N倍 時 其結構為 A be 基數詞 N 1 times 形容詞比較級 than B eg Thishallisfivetimesbiggerthanourclassroom 這個大廳比我們的教室大四倍 兩倍 可用twice表示 注意 表示 A的長度 寬度 高度 大小 重量等 是B的N倍 可用 A be 基數詞 N times as 形容詞原級 as B 結構 eg Thistreeisthreetimesastallasthatone 這棵樹是那棵樹的三倍高 Hisfatheristwiceasoldashe 他父親的年紀有他兩倍大 拓展 Listenandcheck thenumbersyouhear 1b 100 16 20 50 120 0 1 0 2 150 Teacher Doyouhaveanyquestionsaboutbabypandas Boy1 Aretheymuchsmallerthananadultpanda Teacher Yes Whenthey reborn theyonlyweighabout0 1to0 2kilos Boy1 Wow that ssmall Iknowanadultpandaweighsmanytimesmorethanababy Teacher That sright Andtheadultpandasweighabout100kilos Boy2 Whataboutthesizeofababypanda Howsmallisit 1b Teacher Atbirth it sonlyaround15cmlong butanadultpandaisaround150cmlong Girl1 Isababypandaalsoblackandwhite Teacher No youwouldneverguess Ababypandaispinkanditcannotsee Italsodoesn thaveanyteeth Girl1 Howlongcanpandaslive Teacher Theycanliveupto20to30years 1c Listenagainandcompletethesentences Atbirth ababypandaisabout to kilos 2 Atbirth ababypandaisabout cmlong 3 Ababypandaisnotblack Itis andithasno 4 Apandacanliveupto to years 0 1 0 2 15 pink teeth 20 30 Teacher Doyouhaveanyquestionsaboutbabypandas Boy1 Aretheymuchsmallerthananadultpanda Teacher Yes Whenthey reborn theyonlyweighabout0 1to0 2kilos Boy1 Wow that ssmall Iknowanadultpandaweighsmanytimesmorethanababy Teacher That sright Andtheadultpandasweighabout100kilos Boy2 Whataboutthesizeofababypanda Howsmallisit 1c Teacher Atbirth it sonlyaround15cmlong butanadultpandaisaround150cmlong Girl1 Isababypandaalsoblackandwhite Teacher No youwouldneverguess Ababypandaispinkanditcannotsee Italsodoesn thaveanyteeth Girl1 Howlongcanpandaslive Teacher Theycanliveupto20to30years atbirth出生時 知識點 2 考向一 atbirth相當于whenonewasborn eg Thebabyweighedthreekilosatbirth Thebabyweighedthreekiloswhenitwasborn 這個嬰兒出生時體重為三公斤 考向二 birth作名詞 意為 出生 誕生 eg Doyouknowhisdateofbirth 你知道他的出生日期嗎 givebirthtosb sth 生孩子 產仔eg ShegavebirthtoasecondchildinJanuary 一月她又生了一個孩子 拓展 upto到達 某數量 程度等 至多有 不多于 知識點 3 eg Thereareupto2 000studentsinourschool 我們學校有多達兩千名學生 eg Uptonoweverythinghasbeensuccessful 到目前為止 一切都很順利 2 uptosb 某人的責任 由 決定eg IthinkIwillleaveituptoyou 我想讓你決定 upto的其他含義 1 upto直到 到 為止 拓展 1d Taketurnstellingyourclassmatesaboutpandas A Ababypandacannotsee B Anadultpandaweighsmanytimesmorethanababypanda 2a Talkaboutpandasinyourclass Usethesewordstohelpyou bigbamboozoopopularcuteblackandwhiteSichuanfamousendangeredbeautifulforestprotect 2b Readthearticletofindoutwhatthesenumbersmean 10 12 300 2 000 ScanningThismeansmovingyoureyesquicklydownthepagetofindspecificinformation Itis8 30a m attheChengduResearchBase Pandakeepersarepreparingmilkforthebabypandas breakfast At9 00a m theyfindthatmostof thebabiesarealreadyawake andhungry Whenthebabiesseethekeepers theyrunovertothemwithexcitementandsomeoftheyoungpandasevenwalkintotheirfriendsandfallover LinWei oneofthepandakeepers says They resocuteandlovely Itakecareofthemlikethey remyownbabies Iwash feedandplaywiththemeveryday They reveryspecialtome Infact manypeoplearoundtheworldlovetheseblackandwhiteanimals PandashavebecomesopopularthattheyarenowasymbolofChina Scientistssaytherearenowfewerthan2 000pandaslivingintheforests Another300orso liveinzoosorresearchcentersinChinaandothercountries Pandasdonothavemanybabies maybeonlyoneeverytwoyears Thebabiesoftendiefromillnessesanddonotliveverylong Adultpandasspendmorethan12hoursadayeatingabout10kilosofbamboo Manyyearsago therewerealotmorebambooforestsandpandasinChina butthenhumansstartedtocutdowntheseforests Astheforestsgetsmallerandotherhumanactivitiescausemoreproblems pandascannotfindenoughtoeatandtheyarehavingfewerbabies AneducationprograminChengduteacheschildrenaboutpandasandotherendangeredwildanimals Theysendpeopletoschoolstotellchildrenabouttheimportanceofsavingtheseanimals AndtheChinesegovernmentistryinghardtohelpsavethepandas Scientistsaredoingresearchtobetterunderstandthehabitsofpandas Weallhopethatinthefuturetherewillbealotmorepandas awake we k adj 醒著 知識點 4 awake此處用作形容詞 意為 醒著的 它在句中常作表語 反義詞是asleep eg Isheawakeorasleep 他是醒著還是睡著了 拓展 wake既可用作及物動詞也可用作不及物動詞 意為 叫醒 醒來 短語wakeup wakesb up醒來 叫醒某人 考向 eg Iwokeupveryearlythismorning 我今天早上醒得很早 Pleasewakemeupatsixinthemorning 請早上六點叫醒我 典例 Afterworkingallnight Katecouldn tstay thenextmorning wake 鹽城 awake fallover絆倒 知識點 5 辨析 falldown falloff和fallover 這三個短語都表示 摔倒 跌倒 的意思 但它們各自的含義不同 考向 eg Isawthelittlegirlfallover 我看到這個小女孩跌倒了 Theboyhitthetreesohardthathefelldown 男孩重重地撞在樹上 結果自己倒下了 Thegirlisfallingoffthebike Thegirlisfallingdownfromthebike 女孩正從自行車上摔下來 Scientistssaytherearenowfewerthan2 000pandaslivingintheforests 科學家說現在有不到2000只大熊貓生活在森林里 Therebe sb sth doingsth 地點 表示 某地有某人或某物正在做某事 其中doingsth 是后置定語 與其修飾的詞是邏輯上的主謂關系 表示人與動作是主動關系 知識點 6 考向 eg Thereisatruckcollectingtherubbishoverthere 在那邊有一輛卡車正在收垃圾 Therearesomepeoplepickingapplesonthefarm 在農場上有一些人正在摘蘋果 典例 Therearesomeboys basketballoverthere Let sgoandjointhem 恩施 A areplayingB playingC toplay 點撥 本題用固定句式法 句意 有一些男孩正在那邊打籃球 固定句式 Thereis aresb sth doingsth 有某人 某物正在做某事 B 在therebe句型中 當主語為多個并列的名詞時 be動詞的形式與離它最近的名詞保持一致 即遵循 就近原則 eg Thereisasciencelabandtwolibrariesinmyschool Therearetwolibrariesandasciencelabinmyschool 我的學校有一個科學實驗室和兩個圖書館 拓展 難點 orso大約 orso意為 大約 常用在被修飾詞后 而about around表 大約 時 常用在被修飾詞之前 eg Wewillcompletetheprojectintwoweeksorso 我們大約兩周后完成這個項目 知識點 7 考向 典例 Myparentswillmovebackinayear A hardlyB oftenC orsoD about C 2c Readthearticleagainandwriteshortanswerstothequestions 1 WhatisLinWei sjob Sheisapandakeeper 2 Whatdothebabypandashaveforbreakfast 3 Whyarepandasendangered Milk Becausehumansstartedtocutdownforests Andthereislessbambooforthepandas 4 WhatdoestheeducationprograminChengdudo 5 Whyarescientistsdoingresearch Itteacheschildrenaboutpandasandotherendangeredwilda