九年级英语上册 Unit 5 Look into Science Lesson 28 The Study of Living Things课件 （新版）冀教版.ppt

lesson28 unit5lookintoscience 5 unit lesson28thestudyoflivingthings 学习目标 objectives tolearnsomenewwords biology fantastic butterfly tounderstandthepassage tolearnattributiveclause leadin 1 wouldyouliketobeabiologistwhenyougrowup whyorwhynot 2 whatmysteriesofnaturedoyouknowabout thinkaboutit 生物蝴蝶迁徙 移居奇异的完全地孙子 女 外孙 女 雌性马利筋 一种植物 化学物质令人费解的 pletelyadv grandchildn femalen milkweedn chemicaln puzzlingadj words pre reading 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 drawone sattention usefulexpressions returnto asmanyas layeggs atauniversity smallpieceofforest leavefor while reading 1 intheunitedstatesandmexico farmersusechemicalsthatkillmilkweed 2 dothefemaleslayeggsononlyoneplant 3 whatdoesdr chiptaylorstudy 4 here asmanyas butterfliesspendthewinter 5 inmexico thebutterfliesalwaysreturntothesamesmallpieceofforest whichisonly20kilometerswide readthelessonandfinishtheexercise 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 t 1 有关attention的短语2 as as的用法3 lie与lay的用法fantasticchemicalhavebeendrawing languagepoints attention drawone sattentiontosth 使某人注意某事 2 catchone sattention 引起某人注意 3 payattentiontosth 注意 留心 4 giveone sattentiontosth 关心 as as 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 thehens lay eggseveryday haveyouever lie toyourparents lay lied lay 下蛋 laid laid layinglie 说谎 lied lied lyinglie 平躺 lay lain lying 作形容词 意为 奇异的 极好的 了不起的 在句中作定语或表语 如 4 fantastic ithinkthisisafantasticinvention 我想这是一个了不起的发明 作可数名词 意为 化学物质 化学制品 复数形式是chemicals 如 therearenochemicalsinthiskindoffood 这种食品中没有化学物质 5 chemical 作形容词 意为 化学的 化学作用的 在句中作表语或定语 如 wecanfindchemicaladditivesinmanyfoods 我们在很多食品中发现了化学添加剂 句中的havebeendrawing是现在完成进行时 它由 助动词have has been 现在分词 构成 当主语是第三人称单数时用助动词has 其他情况用助动词have 6 fantasticfactsaboutthebutterflyhavebeendrawingdr taylor sattention 它往往与表示一段时间的时间状语连用 如 allthetime thismonth allday thesefewdays forayear sinceaweekago等 shehasbeenplayingbasketballafterschoolthisweek 这个星期她放学后一直打篮球 tonyhasbeendrawinginhisbedroomalltheafternoon 托尼在卧室画了一下午 whatdoyouthinkisthemostfascinatingthinginnature post reading discussion areyoufamiliarwiththesesentences theyarefromthebookswehavelearned 1 inmexico thebutterfliesalwaysreturntothesamesmallpieceofforest whichisonly20kilometreswide 2 thebutterfliesthatreturntothesoutharethegreat greatgrandchildrenofthebutterfliesthatleftforthenorth 3 butinmexico peoplecutdownthetreesthatthebutterfliesneedtorestonbecausetheywantmorelandforfarming 4 intheunitedstatesandcanada farmersusechemicalsthatkillmilkweed attributiveclause定语从句 grammar 定语从句是指在句中作定语的 先行词是被定语从句所修饰的词 通常是名词或代词 关系词 也叫作引导词 是在从句中替代先行词 在定语从句中充当一定的成分 通常是 或 作 时常可以省略 先行词为人时 引导词常用 或 先行词为物时 引导词常用 或 从句 主语 宾语 宾语 who that that which 定语从句 attributiveclauses theboywhoiswearingablackcoatboughtanipodyesterday theexperimentsthatwedidyesterdaywerefantastic 主语 定语从句 定语从句 主语 修饰theboy 修饰experiments 关系词 特殊情况下 由that引导的定语从句 1 先行词为all everything nothing something anything little much等不定代词时 2 先行词被all little much every no等修饰时 3 先行词被序数词或最高级修饰时 4 先行词被theonly thevery thesame thelast修饰时 5 先行词为人和物的组合 6 主句是who which开头的特殊疑问句 请给下列的定语从句补充引导词 1 whoisthegirl talkedtoyouyesterday 2 lookatthephotos itookonmytrip 3 itsuccessfullyshowstherichculture makesbeijingsofamous 4 thephoto welikedbestwastakenbyzhaomin 5 hisfatheristheperson willbemostunhappy 6 tomistheboy wesawintheshop that that which that which that who that which that who 7 iamsureshehassomething youcanborrow 8 i vereadallthebooks arenotmine 9 thisisthefirstbook hehasread 10 thisistheverybook belongstohim 11 th