八年级英语下册 Unit 7 What’s the highest mountain in the world Section B（3aSelf Check）课件 （新版）人教新目标版.ppt

sectionb3a selfcheck unit7what sthehighestmountainintheworld guess theyarehugeanimals theyliveinthesea theycansingsongs theycanjumphighoutofwater theyareverycleverandalsoveryfriendly whatarethey canyouguesswhattheanimalis 鲸的体型是世界上存在的动物中最大的 鲸是终生生活在水中的哺乳动物 对水的依赖程度很大 以致它们一旦离开了水便无法生活 鲸形状像鱼 鼻孔在头的上部 用肺呼吸 体长可达三十米 是现在世界上最大的动物 doyouknow 鲸为适应水中生活 减少阻力 它们的后肢消失 前肢变成划水的浆板 身体成为流线型 酷似鱼 因而它们的潜水能力很强 小型齿鲸可潜至100 300米的水深处 停留4 5分钟 长须鲸可在水下300 500米处待上1小时 最大的齿鲸 抹香鲸能潜至千米以下 并在水中持续2小时之久 3a readthefollowingwordsandphrasesaboutwhales puttheminthecorrectplaceinthechart 1 2 3 4 5 6 7 8 9 10 11 12 58 7 2 311 1612 4910 3b writeaparagraphaboutwhalesandwhytheyneedtobeprotected usetheinformationin3a thenmakeaposter whalesare theylivein theyeat theycan oneinterestingfactis anotherinterestingfactis somekindsofwhalesareindangerbecause weshouldprotectwhalesfrom ithinkpeopleshould shouldn t whalesarehugeanimals theyliveintheseaandeatsmallfishandothersealife oneinterestingfactiswhalescanjumphighoutofwater somekindsofwhalesareindangerbecausehumanscatchthemformeat fat andoil andusewhalepartstomakecandlesandsoaps whalesarealsoindangerfromwaterpollution weshouldprotectwhalesbymakingrulesonwhaleprotectionandbynotputtingrubbishintothesea ithinkpeopleshouldlearnmoreaboutwhales 英语中 awake常用于be stay keep lie之后 作表语 但也可与shake等动词搭配 表示 某人摇醒他人 等 1 at9 00a m theyfindthatmostofthebabiesarealreadyawakeandhungry youwouldhavetoshakeherawake 你得把她给摇醒 keypoints 另外 awake不与very搭配使用 表示 完全醒来 十分清醒 用fullyawake wideawake hewaswideawakebythetimewereachedmyflat 等我们到达我的住所时 他已经完全清醒过来了 注意 awake不用于名词之前 因此用作定语时要后置 1 10kilosofbamboo意为 10公斤竹子 该结构是不可数名词量的表达法 其结构为 数词 单位名词 of 名词 单位名词可以是单数 也可以是复数 2 spend in doingsth 意为 花费 做某事 theyspenttwoyears in buildingthisbridge 造这座桥花了他们两年时间 2 adultpandasspendmorethan12hoursadayeatingabout10kilosofbamboo selfcheck 1 completethechart higher highest moredangerous mostdangerous longer longest morepopular mostpopular 2 matchverbsandobjects thenaddonemoreobjecttoeachlist a mylife mymoney myfamilyb thetopofamountain thelibrary thetheaterc mydream success goodresults 3 circlethecorrectwordand orfillintheblankwiththecorrectformofthewordinbracketsforeachsentence 1 anelephantweighs few many timesmorethanadog 2 anadultpandacaneat much alittle morethanacat 3 canadaisa little lot less crowded thanchina 4 atigeris much alittle strong thanaman crowded