Unit9HumanBiologyLesson2BrainPower预习课课件高中英语北师大版选择性

春风高中英语教研组选择性必修三U9L2预习课学习目标1.积累一些重点单词、短语2.利用所学单词翻译文本并概括文章大意3.掌握本节课重点句式一、生词扫盲请对照导学案用黑笔将生词标在课本上，荧光笔画出短语部分，红笔批注重点句型不会翻译的句子用（）？标出二、核心讲解核心单词讲解1．atomn．原子→____________adj.原子的2．nerven．神经；紧张→____________adj.紧张的；焦虑的3．organn．器官→____________vt.组织→____________n．组织4．containvt.包含；容纳→____________n．容器5．locatevt.找出……的准确位置→____________n．位置，地点→____________adj.位于，坐落于atomicnervousorganizeorganizationcontainerlocationlocated短语积累1．berelatedto…

______________________2．beresponsiblefor…

______________________3．turnto

______________________4．toandfrom

______________________5．comeup

____________________6．坐落于；位于

___________________7．对……有好处

___________________8．建议某人做某事

___________________9．减少……的量

___________________10．由……组成

___________________11．编造；组成；化妆；占

___________________12．处于最佳状态

___________________13．意味着做某事

___________________和……有关对……负责翻到；转向；求助于来来回回被提出；走近；升起belocatedin

begoodfor…

advisesb.todosth.

cutdownon…

consistof…

makeup

atone’sbest

meandoingsth.

重点句式讲解1．(P110)Thebrainsendsmessagesusingelectricalimpulses,thesamewayasacomputerworks.【翻译】大脑使用电脉冲发送信息，就像计算机工作一样。【句式剖析】句中usingelectricalimpulses为现在分词作方式状语。【归纳拓展】现在分词可以在句中作时间状语、原因状语、结果状语、条件状语、伴随状语、方式状语等。DuringtheraceMr.Taylortalkstothedriverusingaheadset.在比赛中，泰勒先生用耳麦与车手通话。(方式状语)Workinghard,youwillsurelysucceed.如果你努力工作，你一定会成功的。(条件状语)Beingpoor,hecouldn’taffordtobuyanewcar.由于贫穷，他买不起一辆新车。(原因状语)Pleaseanswerthequestionusinganotherway.请用另一种方式回答这个问题。(方式状语)Walkinginthestreet,Imetmyoldschoolmatebyaccident.当走在街上时，我偶然遇到了我的老同学。(时间状语)Hisfatherpassedaway,leavingthelifemuchharder.他父亲去世了，这让生活更加艰难了。(结果状语)【易混辨析】两种“结果状语”动词不定式作结果状语表示出乎意料的结果现在分词作结果状语表示顺其自然的结果Hehurriedtothestation,onlytofindthetrainhadleft.他匆忙赶到车站，却发现火车已经开走了。Herfatherpassedaway,leavingheralargesumofmoney.她父亲去世了，给她留下了一大笔钱。【针对练习】单句语法填空(1)________(be)ill,Karlhadtostayathome.(2)Thechildslippedandfelldown,________(hit)herheadagainstthedoor.(3)_______(pass)bytheroom,hesawagirlplayingthepiano.(4)Heracedthroughthelivingroom,only________(find)thefrontdoorclosed.BeinghittingPassingtofind2．(P110)Puzzlesandgamesaregoodforustokeepourbrainactive.【翻译】谜语和游戏对我们保持大脑活跃有好处。【句式剖析】本句中keepourbrainactive为“keep＋宾语＋宾补”结构。【归纳拓展】keep用作及物动词，常用句型为“keep＋宾语＋宾语补足语”，意为“使……保持某种状态”，可分为以下三种情况：(1)keep＋宾语＋形容词/副词Pleasekeepthedoorandwindowopen.请把门窗开着。(2)keep＋宾语＋介词短语Pleasekeepyourhandsbehindyourback.请把手放在背后。(3)keep＋宾语＋v.-ing形式Don’tkeepthemworkingdayandnight.不要让他们不分白天黑夜的工作。【针对练习】单句语法填空(1)Theykeptus________(wait)foralongtime.(2)Pleasekeepthedoor________(lock)whenyouaresleeping.(3)You’dbetterkeepyoureyes________(close)whenimaginingthebeautifulscenery.waitinglockedclosed三、大声朗读所记知识书读百遍，其义自见Readthebookahundredtimes,andthenyouwillseeitsmeaning第四部分：小组合作1.借助状元金榜体会文章翻译，完成文章预读2.完成状元金榜语篇理解部分习题五、学以致用1．IthinkIwillbeboredwithdoingthesameworkeveryday,soIprefera(n)________(challenge)job.2．Youareaskedtoswallowacapsule________(contain)VitaminB．3．Icametothesupermarketafterwork,only________(find)itwasbeingdecorated.4．Weallknowthatthereisa(n)________(connect)betweensmokingandcancer.5．Missingthebusmeans________(wait)foranotherhour.6．Thestoreis________(locate)upstairsinBuilding3rightnexttothemuseum.7．Hetakestheviewthatchildrenareresponsible________theirownactions.8．Transport________andfromtheairportisincludedintheprice.9．Couldyoubekindenoughtokeepus________(inform)ofthelatest