帮助学生掌握本单元教学目的和要求中的词汇.doc

Unit3 Inventors and inventionsPeriod twoTeaching aim;帮助学生掌握本单元教学目的和要求中的词汇，短语的用法。Step1:Check up what we learned yesterday.Step2:Language points:1,distinguish vt vi1）辨别，辨认 eg:Ican distinguish them at a distance.从远处我能认出他们。2）区别，区分（常与From， between连用）eg :Can you distinguish between those two objects?你能区分那两个物体吗？3）使别于，有的特点（常与 Form连用）eg;Speech distinguishes men from animals.语言把人和动物区分开来。【归纳拓展】be distinguished as 辨明为，称之为be distinguished for 以为特征 distinguish oneself使自己与众不同【翻译句子】It is certainly important to _ _ _ _ _明辨是非当然要紧。Elephants _ _ _ their long trunks.象因为有长鼻子而有别于其他的动物。2，convenient adjPlease come whenever it is convenient to you.方便的时候请随时来。Is this oclock convenient for you?三点钟你方便吗？Sth be convenient to sb对某人方便It be convenient for sb to do sth对某人来说做某事方便。If convenient如果方便的话Our new house is very_ for me as I can get to the office in five minutes.A adaptable B comfortable C convenient D available3，prove vt证明，证实eg:He has proved his courage in battles.他已在战斗中证明了自己的勇气。Facts prove that the creative power of people knows no limits.事实证明人类的创造力是无穷的。vi 原本是；证明是eg;The method/drug proved (to be)highly effective.这种方法/药被证明是非常有效的My advice proved to be wrong.我的意见证明是错的。4.call up 给打电话；征兵；使想起；回忆I call you up this evening The music calls up old times.音乐让人回想起往日时光。He was called up in 1980.【知识拓展】call on 拜访某人，号召 call for 要求，需要，去接某人 call off 取消 call at 拜访某处 call in 邀请召来5.now and then 时而不时，偶尔Now and then/again, we heard shots in the woods.now and then =from time to time=sometimes6.set about 着手，开始（set about doing sth.）The young workers set about their work with great enthusiasm.They set about making preparations for spring sowing.【知识拓展】set down 放下，记下，登记 set off 出发 set up 建立 set back 阻碍某物发展，把（钟表）往回拨 set aside/out 把放于一边，留出 (be)set in 以为背景 set out to do sth. 着手做某事7.in case 免得以防；假使；如果，引导条件状语从句It may rain, youd better take a raincoat in case it rains.可能要下雨，你最好带上雨衣以防下雨In case of fire, call 119.【知识拓展】in case of 万一 in this/that cade 在这种/那种情况下 in any case 无论如何in all case 在任何情况下/在所有情况下 in no case 决不in sbs case(= in the case of sb.) 就某人的情况来看8.bear v.忍耐，忍受；承受，承担；怀有，持有I cant bear to see you like this.He couldnt bear living alone.【知识拓展】bear the weight of 承担的重量 bear in mind that心里记住【练习演绎】1.I cant bear _.(让长时间等) 2.I couldnt _ (听不下去了)any longer. I left the room without saying goodbye.9.mess n.杂乱，脏乱v.无所事事，胡闹eg.The workman cleared up the mess before he left.【知识拓展】be in a mess 乱七八糟 get in a mess 陷入困境 make a mess of 打乱，（把）弄得很乱 mess about (around) 胡闹，胡混 mess up 弄乱，弄脏【练习演绎】(1) _(别乱闹了),come and help us.(2) The children _(把房间弄得凌乱不堪)(3) The room is _(杂乱不堪)Step3