八年级英语下册 Unit 7 What’s the highest mountain in the world Section B（1a2e）课件 （新版）人教新目标版.ppt

第四课时 sectionb 1a 2e unit7 what sthehighestmountainintheworld 课文呈现 知识讲解 第四课时 sectionb 1a 2e 词汇听写 课堂导入 1a 1b 课堂小结 课后作业 课堂练习 同学们 上一课学习的单词你们都掌握了吗 现在大家来检验一下 点击下面的音频开始听写吧 howmuchdoyouknowaboutpanda comparefactsaboutthesetwoanimals usethelanguageintheboxtohelpyoumakesentences 1a examplesentence thiselephantweighsmanytimesmorethanthispanda 200cmtaller shorter weighmuchmore less eatmuchmore less eatmanytimesmore thispandais200cmshorterthanthiselephant itweighsmuchlessthanthiselephant too thiselephanteatsmuchmorethanthispanda iteatsmanytimesmorethanthispanda thiselephantweighsmanytimesmorethanthispanda 这只大象比这只大熊猫重很多倍 知识点 1 考向一 weigh既可作及物动词 表 称重 也可作连系动词 表 有 重 重 eg iweighedthebox itweighs20kg 我称了这个盒子 它重20公斤 典例 he weight only70kilosnowaftertakingabalanceddiet weighs 其名词形式为weight 常用短语 inweight在体重方面 eg theboyweighs20kg theboyis20kginweight 这个男孩重20公斤 拓展 考向二 timesn 倍表示 a比b长 宽 高 大 重等 n倍 时 其结构为 a be 基数词 n 1 times 形容词比较级 than b eg thishallisfivetimesbiggerthanourclassroom 这个大厅比我们的教室大四倍 两倍 可用twice表示 注意 表示 a的长度 宽度 高度 大小 重量等 是b的n倍 可用 a be 基数词 n times as 形容词原级 as b 结构 eg thistreeisthreetimesastallasthatone 这棵树是那棵树的三倍高 hisfatheristwiceasoldashe 他父亲的年纪有他两倍大 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出生时 知识点 2 考向一 atbirth相当于whenonewasborn eg thebabyweighedthreekilosatbirth thebabyweighedthreekiloswhenitwasborn 这个婴儿出生时体重为三公斤 考向二 birth作名词 意为 出生 诞生 eg doyouknowhisdateofbirth 你知道他的出生日期吗 givebirthtosb sth 生孩子 产仔eg shegavebirthtoasecondchildinjanuary 一月她又生了一个孩子 拓展 upto到达 某数量 程度等 至多有 不多于 知识点 3 eg thereareupto2 000studentsinourschool 我们学校有多达两千名学生 eg uptonoweverythinghasbeensuccessful 到目前为止 一切都很顺利 2 uptosb 某人的责任 由 决定eg ithinkiwillleaveituptoyou 我想让你决定 upto的其他含义 1 upto直到 到 为止 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 醒着 知识点 4 awake此处用作形容词 意为 醒着的 它在句中常作表语 反义词是asleep eg isheawakeorasleep 他是醒着还是睡着了 拓展 wake既可用作及物动词也可用作不及物动词 意为 叫醒 醒来 短语wakeup wakesb up醒来 叫醒某人 考向 eg iwokeupveryearlythismorning 我今天早上醒得很早 pleasewakemeupatsixinthemorning 请早上六点叫醒我 典例 afterworkingallnight katecouldn tstay thenextmorning wake 盐城 awake fallover绊倒 知识点 5 辨析 falldown falloff和fallover 这三个短语都表示 摔倒 跌倒 的意思 但它们各自的含义不同 考向 eg isawthelittlegirlfallover 我看到这个小女孩跌倒了 theboyhitthetreesohardthathefelldown 男孩重重地撞在树上 结果自己倒下了 thegirlisfallingoffthebike thegirlisfallingdownfromthebike 女孩正从自行车上摔下来 scientistssaytherearenowfewerthan2 000pandaslivingintheforests 科学家说现在有不到2000只大熊猫生活在森林里 therebe sb sth doingsth 地点 表示 某地有某人或某物正在做某事 其中doingsth 是后置定语 与其修饰的词是逻辑上的主谓关系 表示人与动作是主动关系 知识点 6 考向 eg thereisatruckcollectingtherubbishoverthere 在那边有一辆卡车正在收垃圾 therearesomepeoplepickingapplesonthefarm 在农场上有一些人正在摘苹果 典例 therearesomeboys basketballoverthere let sgoandjointhem 恩施 a areplayingb playingc toplay 点拨 本题用固定句式法 句意 有一些男孩正在那边打篮球 固定句式 thereis aresb sth doingsth 有某人 某物正在做某事 b 在therebe句型中 当主语为多个并列的名词时 be动词的形式与离它最近的名词保持一致 即遵循 就近原则 eg thereisasciencelabandtwolibrariesinmyschool therearetwolibrariesandasciencelabinmyschool 我的学校有一个科学实验室和两个图书馆 拓展 难点 orso大约 orso意为 大约 常用在被修饰词后 而about around表 大约 时 常用在被修饰词之前 eg wewillcompletetheprojectintwoweeksorso 我们大约两周后完成这个项目 知识点 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 itteacheschildrenaboutpandasandotherendangeredwild