高二新人教版英语选修8课件Unit2Cloning第1课时Warmingup

1、类别课程标准要求掌握的项目词汇differ, arise, exact, undertake, disturbing, appropriate, impact, obtain, attain, forbid, accumulate, bother, strike, resist, reasonablepay off，(be)cast doun, in favour(of sb./sth.), look back(on sth.)be bound to do/be, from time to time, bring.(back)to life, in vain语法复习同位语1.名词(短语)作同位

2、语2.从句作同位语1differ (v.)1)A and B(from each other)|A differs from B相异；有差别；不同于Japanese differs greatly from French in pronunciation.日语发音和法语大不相同。2)(with sb)(about/on/over sth)意见相左；持不同看法；不同意We differ about/on/over the matter.对这件事我们意见不同。【知识拓展】1)difference C&U 差别；差异；不同(之处)；变化(之处)Can you tell the difference

3、between an ape and a monkey?你能区分猿和猴吗？2)different(adj.)(from/to/than sb/sth)不同的；有区别的；有差异的Their tastes are different from/to mine.他们的爱好与我的不同。【知识运用】(1)(山东省烟台市2010届高三一模) They_each other in that they are both bareheaded with sunglasses.Adiffer Bmodify Cresemble Dclassify答案：C本题题意：他们彼此倒有点相像，因为他们都是光头墨镜(酷劲十足

4、)。resemble表示“与(他人或他物)相似； 像”。(2)(2007上海25)Leaves are found on all kinds of trees, but they differ greatly_size and shape.Aon BfromCby Din答案：D本题题意：树叶在各种树木上都可见到，但是在大小与形状方面它们却存在巨大的差异。in表示“关于；在方面”。(3)Whether it rains or not makes no_to me.Aeffect BdifferenceCaffect Dchange答案：B本题题意：下不下雨对我来说都一样。make a/no/s

5、ome difference(to/in sb/sth)表示“有(或没有，有些等)作用，关系，影响”。(4)(原创)Jack differed_his father_the present economic situations at home.Awith; in Bfrom; overCfrom; to Dwith; about答案：D本题题意：杰克和他的父亲在国内经济形势的看法上发生意见分歧。differ with sb about/on/over sth表示“在上与某人意见相左”。2. arise(v.)1)(occur)(尤指问题或困境)发生；产生；出现A heavy mist aro

6、se from the lake.湖面起了浓雾。2)(out of/from sth)(由) 引起；(因) 产生Emotional or mental problems can arise from a physical cause.身体上的原因可以引起情绪或精神上的问题。3)出现；发生；发展Several new industries arose in the town.城里出现了好几种新行业。 4)起身； 起来； 起立She rose slowly from her chair to greet us.她从椅子上慢慢地站起来向我们问候。【词语辨析】arise, rise, raise, l

7、ift这些动词均有“上升，举起”之意。1)arise书面用词，多用于诗歌或比喻中，具有特殊的修辞色彩。An opportunity has arisen. 机会来了。2)rise普通用词，指具体的或抽象的事物由低向高移动。The river has risen(by)several meters.河水上涨了好几米。3)raise与lift 可换用， 但着重“垂直高举”或“将物件由较低处移至较高处的适宜位置，以发挥应有的作用”，有时作引申用。She raised her finger to her lips as a sign for silence.她举起一根手指放在唇边，示意肃静。4)lif

8、t 语气比raise强，指“用体力或机械力把某物从地面举到一定的高度”，强调花费的努力，有时用于比喻义。She can lift a pail of water from the ground.她能把一桶水提起来。【知识运用】采用arise, rise, raise或lift的适当形式填空：House prices have_sharply in recent months.Some learning difficulties_from the way children are taught at school.We heard inspiring talks which_our spirits.The level of our scientific research has been_.This box is too heavy for me to_.Ill_both hands in favour of damming th