新冀教版九年级英语上册第28课精ppt课件

Lesson28TheStudyofLivingThings,.,1.Wouldyouliketobeabiologistwhenyougrowup?Whyorwhynot?2.Whatmysteriesofnaturedoyouknowabout?,Thinkaboutit,.,Newwords:,生物蝴蝶迁徙的奇异的完全地外孙（女）雌性马利筋（一种植物）化学物质令人费解的,kweedn.chemicaln.puzzlingadj.,1.引起某人的注意2.回到、返回3.多达4.下蛋5.在大学里6.小片的森林7.动身去某地,drawonesattention,探究课文找短语,returnto,asmanyas,layeggs,atauniversity,smallpieceofforest,leavefor,1.IntheUnitedStatesandMexico,farmersusechemcalsthatkillmilkweed.()2.Dothefemaleslayeggsononlyoneplant?_.3.WhatdoesDr.ChipTaylorstudy?_.4.Here,asmanyas_butterfliesspendthewinter.5.InMexico,thebutterfliesalwaysreturntothesamesmallpieceofforest,whichisonly20kilometerswide._,中考题型课堂练,F,Yes,theydo,HestudiesonekindofNorthAmericanbutterfly,230million,在墨西哥，这种蝴蝶总是回到仅有20千米宽的同一小片森林。,LanguagePoints:,1.有关attention的短语2.asas的用法3.lie与lay的用法,.,attention,drawonesattentiontosth.(使某人注意某事).,2.catchonesattention(引起某人注意),3.payattentiontosth.(注意、留心),4.giveonesattentiontosth.(关心),.,asas,1.Heis_hisfather.(像一样高)2.Idomyhomework_mysisterdoes.(像一样认真)3.Theysee_onehundredstudentsinfrontofthelibrary.(像一样多),astallas,ascarefullyas,asmanyas,.,lie与lay,lay(下蛋)-laid-laid-layinglie(说谎)-lied-lied-lyinglie(平躺)-lay-lain-lyingThehens_(lay)eggseveryday.Haveyouever_(lie)toyourparents?,lay,lied,.,Fillineachblankwiththeproperwordfromthebrackets:1.Thisisthe_(identify)hotelthatwestayedinlastyear.2.Yourbrothersarepeople_(relate)toyou.3.Doyouknowwhoisthe_(own)ofthehouse?4.Yourbodyusesthispattern_(build)itself.5.YouhaveyourownDNA,butitrepeatsthepatternsfromyour_(parent)DNA.6.SomehealthproblemscomefromyourfamilysDNA._(science)canlookfortheseproblemsinyourDNA.,identical,related,owner,parents,Scientists,t