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

unit7what sthehighestmountainintheworld sectionb leadin what syourfavoriteanimal whydoyoulikeit anelephantweighs5 000kilos anelephantis350cmtall iteats150kilosoffoodaday usethelanguageintheboxtohelpyoumakesentences apandaweighs100kilos apandais150cmtall standingontwolegs iteats10kilosoffoodaday examplesentence thiselephantweighsmanytimesmorethanthispanda 200cmtaller shorter weighmuchmore less eatmuchmore less eatmanytimesmore 1blistenandcheck thenumbersyouhear 100 16 20 50 120 0 1 0 2 150 1clistenagainandcompletethesentences 1 atbirth ababypandaisabout to kilos 2 atbirth ababypandaisabout cmlong 3 ababypandaisnotblack itis andithasno 4 apandacanliveupto to years 1dtaketurnstellingyourclassmatesaboutpandas a ababypandacannotsee b anadultpandaweighsmanytimesmorethanababypanda 2bscanthearticletofindoutwhatthesenumbersmean 10 12 200 2 0000 scanning 2cscanthearticleagainandwriteshortanswerstothequestions 1 whatislinwei sjob 2 whatdothebabypandaseatforbreakfast 3 whatdoadultpandaseat 4 whyarepandasendangered 5 whatisonewayofsavingpandas sheisapandakeeper milk bamboo becausetherewaslessbambooforthepandas thechildrensingsongsormakeartworkaboutpandasandotherwildanimals 2dcompletethesentencesusingwordsandphrasesfromthepassage keepers prepare many illness forests childrenincities endangered chinesegovernment plantingmorebamboo 3areadthefollowingwordsadphrasesaboutwhales puttheminthecorrectplaceinthechart huge liveinthesea eatsmallfishandothersealife singsongsandjumphighoutofthewater humanscatch andwhalesparts rules andstop 3bwriteaparagraphaboutwhalesandwhytheyneedtobeprotected includealloftheinformationin3a thenmakeaposter whalesare theylivein theyeat theycan oneinterestingfactis anotherinterestingfactis somekindsofwhalesareindangerbecause weshouldprotectwhalesfrom ithinkpeopleshould shouldn t higher highest mostpopular moredangerous longer longest morepopular mostdangerous selfcheck crowded stronger grammarfocus 1 形容词比较级和最高级的用法 让我们记住这首口诀吧 没有比较用原级 两者相比比较级 三者以上最高级 动词后加原级 than句子比较级 the字在前最高级 碰上of和in短语 千万别忘最高级 2 名称范围标志词原级 1very so比较级 2than最高级 3in of短语 1 thiselephantweighsmanytimesmorethanthispanda 这头大象比这只大熊猫重很多倍 自主领悟 1 weigh是动词 意为 有 重 重 weighmanytimesmorethan 意为 比 重很多倍 time在此表示倍数 2 表示两倍用twice 三倍 及以上 用 基数词 times 若要表述 比 倍还要多 可在倍数前加over morethan 知识点精讲 归纳拓展 倍数的三种常用表达法 1 a be 倍数 as 形容词 副词原级 as b 例如 aisfourtimesasstrongasb a比b强壮3倍 2 a be 倍数 形容词 副词比较级 than b 例如 aismorethantentimesbiggerthanb a比b大10倍还多 3 a be 倍数 计量名词 of b 例如 asiaisfourtimesthesizeoftheeurope 亚洲是欧洲的四倍大 活学活用 你的房间是我的两倍大 yourroomis mine 猎豹跑得比人快6倍还不止 acheetahrunsmorethan aman acheetahrunsover aman 答案 twiceaslarge bigas sixtimesasfastas sixtimesfasterthan 2 atbirth ababypandaisabout0 1to0 2kilos 刚出生时的大熊猫大约0 1到0 2千克 自主领悟 birth是名词 意为 出生 发育 常用短语为 atbirth意为 出生时 givebirthto意为 生 引起 产生 dateofbirth意为 出生日期 活学活用 小袋鼠出生时在它妈妈的育儿袋里 ababykangarooisinitsmother spouch 著名的女演员姚晨生了一个健康的男孩 yaochen afamousactress ahealthyboy 答案 atbirth gavebirthto 3 adultpandasspendmorethan12hoursadayeatingabout10kilosofbamboo 成年大熊猫一天花多于12个小时吃10千克竹子 自主领悟 spend是及物动词 意为 花费 常用短语为 spend in doingsth onsth 意为 在 做 某事上花费 时间 金钱 例如 mikespendsfortyminutesdoinghishomeworkeveryevening 迈克每天晚上花费四十分钟做作业 用法辨析 spend pay cost take表示 花费 巧学助记 辨析spend cost take pay表示 花费 的技巧在于 一看主语 spend pay主语是人 cost take主语是物 二看花费时间还是金钱 cost pay表示花钱 take表示花时间 spend既可表示花费时间也可表示花费金钱 三看句式结构 活学活用 选词填空 spend pay cost take hetoomuchtimeplayingcomputergameslastsummervacation itmeabouthalfanhourtowalktoschooleveryday howmuchdidyouforthecdplayer twohundredyuan thewatchsheboughtyesterdayherfiftydollars 答案 spent takes pay cost 4 scientistssaytherearenowfewerthan2 000pandaslivingintheremainingforests 科学家们说现在不到2000只大熊猫生活在剩下的森林里 自主领悟 1 therebe doing 表示 有 正在做 谓语动词be要符合就近原则 例如 therearequiteafewrobotsworkinginthisfactory 有许多机器人正在这家工厂工作 2 remaining为形容词 意为 剩余的 遗留的 常在句中作定语 例如 iboughtapenwiththeremainingmoney 我用剩下的钱买了一支钢笔 用法辨析 remain和leave的区别 活学活用 飞机晚点了 机场有很多人在等飞机 theplaneislate manypeople fortheplaneattheairport 唯一遗留的问题是我们怎样能筹集到钱 theonly ishowwecanraisethemoney 杰克昨天把书落在学校里了 jack hisbook yesterday 答案 thereare waiting remainingquestion left atschool 5 teachingchildrenisonewaytohelpsavepandas 教育孩子们是保护大熊猫的一种方式 自主领悟 teachingchildren是动名词短语 在句中作主语 其后谓语动词用单数形式 例如 workingasaprofessionalathleteisadifficultjob 做一名职业运动员是份辛苦的工作 活学活用 读报能提高你的阅读技能 canimproveyourreadingskills 吃水果和蔬菜有益健康 eatingfruitsandvegetablesgoodforhealth 答案 readingnewspapers is 6 weshouldprotectwhalesfromwaterpollution 我们应该保护鲸鱼免受水污染 自主领悟 protect是及物动词 意为 保护 保卫 protection是名词 意为 保护 常用短语为protect from 意为 保护 免受 的侵害或侵犯 例如 everyoneshouldprotecttheenvironmentfrompollution 每个人都应该保护环境免受污染 温馨提示 1 prevent stop keep fromdoing 阻止 做 阻止 的发生 2 prevent stopsb fromdoingsth 用法相同 在主动语态中介词from可以省略 被动语态中不能省略 keepsb fromdoingsth 中的from无论在主动语态中还是在被动语态中都不能省略 活学活用 他抬起胳膊 保护他的孩子免受伤害 heraisedhisarmto hischild hurt 我们应该多植树以阻止沙尘暴的发生 weshouldplantmoretreesto thesandstorm 答案 protect from prevent stop from happening 7 somekindsofwhalesareindangerbecausehumanscatchwhalesformeat fatandoil 因为人们为了得到肉 脂肪和食用油而捕杀鲸鱼 一些种类的鲸鱼正处在危险中 自主领悟 beindanger是介词短语 意为 处在危险中 其反义短语为 beoutofdanger意为 脱离危险 在此 danger是不可数名词 意为 危险 其形容词形式为dangerous 活学活用 somewildanimalsare 处在危险中 becauseoftheflood it s danger toplayonthestreet 答案 indanger dangerous 单项选择 1 theorientalpearltower 东方明珠塔 isthantheeiffeltower 埃菲尔铁塔 a 144metershigherb 144metershighc 144 meterhigherd 144 meter higher2 anadultpandaeatsmanytimesababypanda a moreb lessc morethand lessthan 知识点精练 3 agiraffecanliveup30years a tob inc atd for4 thelighttravelsthesound a 8 8 105timeasfastasb 8 8 105timesasfasterasc 8 8 105timeasfasterasd 8 8 105timesasfastas 5 thetigerweighsmorethanthecat a muchb littlec muchtimed manytime 用所给词的适当形式填空1 it s12 00p m moststudentsarestill wake 2 hejumpedwith excite afterhearingthegoodnews 3 hisgrandpahadalotof ill lastyear 4 weshouldtrytosavethe endanger animals 5 walk onthemoonisnotaseasyasontheearth 答案 1 awake2 excitement3 illnesses4 endangered5 walking 6 chinaisalot crowded thancanada 7 anadultelephantweighsmany time morethanababyelephant 8 accordingtoasurvey thenoisewillpreventthebabyrabbitsfrom grow normally 9 theoldmanstopped write musiclastyear 10 thepolicegiveussomuch protect 答案 6 morecrowded7 times8 growing9 writing10 protection 完成句子1 老师正在为她的生日准备礼物 theteacheris thegifts herbirthday 2 昨晚医生们花费了六个小时拯救这个小孩 doctors sixhours thechildlastnight 3 现在有许多老人仍住在山里 there manyoldpeople inthemountainsnow 答案 1 preparing for2 spent saving3 are living 4 政府每年派许多老师到山村教学 thegovernment manyteachers teachinthemountainvillageseveryyear 5 以前 很多人吃不饱而死于饥饿 onceuponatime manypeopledidn teatenoughfoodand hunger 答案 4 sends to5 diedfrom 选词填空 stop sea jump teeth for protect rules danger huge likewhalesare1animals someofthemhave2 theyliveinthe3 theyeatsmallfishandothersealife theycan4highoutofthewaterandtheycansingsongs theyaresocute however somekindsofthemarein5becausehumanscatc