冀教版九年级英语上册 （The Study of Living Things）Look into Science!教学课件

Lesson28TheStudyofLivingThings词汇点睛句型透视短语互译句型在线

Learningaims1.运用合适自己的方法背诵本课的单词和词组：biology,butterfly,fantastic.infall,drawone'sattention,cutdown,asmanyas,layeggs,leavefor,whentoflysouth.2.通过完成各项学习任务了解蝴蝶的秘密。3.在学习中积极思考，勇于用英语表达自己的看法。培养热爱科学的态度和探究自然秘密的勇气。Learningthewords:ChipTaylor奇普。泰勒biology生物学；生物butterfly蝴蝶migrate移居；迁徙fantastic奇异的；极好的completely完全地milkweed（植）马利筋chemical化学物质puzzling令人费解的grandchild孙子；孙女；外孙；外孙女female雌性的动物或植物；女子Makeupadialogueandworkinpairs.1.Wouldyouliketobeabiologistwhenyougrowup?Whyorwhynot?2.Whatmysteriesofnaturedoyouknowabout?Watchitandlistentoitcarefully,thenanswerthefollowingquestions:视频1.Whendothebutterfliestravel?2.Howfardotheytravel?3.Whendotheytravelnorth?ListeningExercises:

Dr.ChipTaylorteachesbiology__________intheUnitedStates.Hestudiesonekindof_____________butterfly.Justlikeamigratingbird,thisbutterflytravels_______________

South_________.NorthAmericanatauniversity4000kilometersinfallReadthetextandanswerthefollowingquestions:1.Wheredothebuttetfliesspendthewinter?.Howmanybutterflies?2.Wheredotheylayeggs?3.Whatdoes“this”referinParagraph3?4.Whatdon’tscientistsunderstand?

InMexicoAsmanyas230million.Milkweed.Farmersusechemicalsthatkillmilkweed.Howdothebutterfliesknowwhentoflysouth?Howdoallthegreat-greatgrandchildrenfindthesameforestinMexico?Readthetextagainandcompletethetable.FatasticfactsaboutbutterfliesThebutterfliesalways___________thesamesmallpieceofforestand______thewinterthere.Thebutterfliesthatreturntothesoutharethegreat-greatgrandchilrenofthebutterfliesthat_______thenorth.Thefemales________onlyoneplant;milkweed.ThingsthatDr.TaylorworriesaboutInMexico,peoplecutdownthetreesthatthebutterfliesneedto________.IntheU.SandCanada,famersusechemicalsthat_______milkweed.Thingsthatscientistscan’tunderstandHowdothebutterfliesknowwhentoflysouth?Howdothegreat-greatgrandchildrenofthebutterflies______thesameforest?return/flytospendleftforlayeggsrestonkillfindListenandreadthetextcarefully,thenpractceitingroups.Lesson28TheStudyofLivingThings句型在线1.关于蝴蝶的奇异的事实引起了泰勒博士的注意。Fantasticfactsaboutthebutterfly________________________Dr.Taylor's________．2.在墨西哥，这些蝴蝶总是回到仅有二十公里宽的同一小片森林。InMexico,thebutterfliesalwaysreturntothesamesmallpieceofforest,_____________________________________________．3.返回到南方的这些蝴蝶是前往北方的蝴蝶的玄孙们。Thebutterfliesthatreturntothesoutharethegreat­greatgrandchildrenofthebutterfliesthat________________________________．havebeendrawingattention

whichisonly20kilometreswide

leftforthenorthLesson28TheStudyofLivingThings4.但是在墨西哥，因为人们需要更多的土地来耕作，所以他们砍伐了那些蝴蝶栖息的树。ButinMexico,people________________thetreesthatthebutterfliesneedtorestonbecausetheywantmorelandforfarming.5.科学家们仍然不明白蝴蝶们是怎么知道何时飞往南方的。Scientistsstilldon'tunderstandhowthebutterfliesknow________________________________.cutdown

whentoflysouthLesson28TheStudyofLivingThings词汇点睛fantasticadj.奇异的；了不起的；极好的[观察]

FantasticfactsaboutthebutterflyhavebeendrawingDr.Taylor'sattention.关于蝴蝶的奇异的事实引起了泰勒博士的注意。Shehasafantasticideathatherdeadbrotherisalive.她有一个奇异的想法，她去世的哥哥仍活着。[探究]fantastic指凭空想象出来的，使人感到奇怪而不能相信，强调妄想、失去理智，在口语中也可作“极大的，异乎寻常的，极好的，极出色的，了不起的”解。fantastic无比较级和最高级形式。Lesson28TheStudyofLivingThings活学活用昨天晚上我们看了一部极好的电影Wewatcheda___________

movieyesterdayevening.fantastic句型透视Lesson28TheStudyofLivingThings1

FantasticfactsaboutthebutterflyhavebeendrawingDr.Taylor'sattention.关于蝴蝶的奇异的事实引起了泰勒博士的注意。[探究](1)havebeendoingsth.为现在完成进行时，结构为“have/hasbeen＋v.­ing”，表示一段时间以来一直从事的动作，强调连续不断，并有可能还会继续下去。(2)drawone'sattention引起某人的注意活学活用

“迈克看了多长时间的电视了？”,“从两点钟开始一直在看。”—Howlong_________

Mike________

________

TV？—He_________________________________

since2o'clock.

Lesson28TheStudyofLivingThingshas

beenwatching

hasbeenwatching

2

InMexico,thebutterfliesalwaysreturntothesamesmallpieceofforest,whichisonly20kilometreswide.在墨西哥，这些蝴蝶总是回到仅有二十公里宽的同一小片森林。[探究]

该句是一个复合句，其中which引导的是非限制性定语从句，其作用是对所修饰的成分作进一步说明，通常和主句间用逗号隔开，将从句去掉后其他部分仍可成立。Lesson28TheStudyofLivingThings活学活用(

)Sheheardtheterriblenoise,________broughtherheartintohermouth.

A．it

B．whichC．thisD．thatLesson28TheStudyofLivingThingsB[解析]

后半句为非限制性定语从句，要用which来引导，which指代noise，在从句中作主语。

3

Thebutterfliesthatreturnsoutharethegreat­greatgrandchildrenofthebutterfliesthatleftforthenorth.返回到南方的这些蝴蝶是前往北方的蝴蝶的玄孙们。[探究]

该句为含有两个定语从句的多重复合句，其中两个that分别引导一个定语从句。Lesson28TheStudyofLivingThin