选修八知识点.pptx
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1、1.clone n.c 克隆克隆 vt.克隆克隆(1)Dolly the sheep is a _.(2)_ plants is straightforward.(3)Dolly is a _ sheep.cloneCloningcloned第1页/共29页2.In pairs,look at these pictures and discuss which ones are natural clones and which ones are man-made.Explain how they differ.differ vi.不一致,不同,相异 sb differ from/with sb
2、on/about/over/upon sth 某人与某人在.方面意见不同 A and B differ in 某物与某物在.方面不同A differs from B 某物与某物不同difference n.差异,差别,分歧,争论,差额different adj.不同的第2页/共29页即时练习:用介词 from,with,on,about,upon 或 in 填空。(1)We differ _ him _ _ that question.from/withon/about/upon(2)The two nations differ _ culture and religion.(3)The cl
3、imate here differ _ that of the South.infrom/with第3页/共29页3.It is a way of making an exact copy of another animal and plant.exact adj.确切的,精确的I want to know the exact time.exactly adv.确切地,正是;恰好他们的回答完全一样。Their answers are exactly the same.那正是我所期待的。Thats exactly what I expected.第4页/共29页4.It also happens
4、 in animals when twins identical in sex and appearance are identical adj.完全相同的(常与with/to连用)同一的,同样的These two designs are almost identical.My opinion is identical with his.This picture is identical to the one my mother has.第5页/共29页5.Firstly,gardeners use it all the time to produce commercial quantitie
5、s of mercial adj.商业的,贸易的 商务的 以获利为目的的,从营利角度出发的a commercial loan/activity商业贷款/活动He is doing a commercial course at the local college.他在本地学院学商业课程。The play was a commercial success.这出戏从营利角度看很成功。第6页/共29页 6.undertake vt.(undertook;undertaken)The procedure is difficult to undertake,of course.The scientist
6、undertakes the experiment.I can undertake the responsibility for the changes.The lawyer undertook a new case.undertake vt 着手做,实施,从事,承担第7页/共29页(1)He will _ _ _ next month(去旅行).(2)He _ _ _ _(承担了一项新任务).undertooktasknewaaundertakejourney第8页/共29页7.Then came the disturbing news that Dolly had become serio
7、usly ill.表示方位、时间、或方式的副词或介词短语,如then,now,here,there,up,down,in,away,off,out,in the room,on the wall 等,置于句首时,句子倒装。Out rushed the children.此句中that引导的从句为同位语从句,对news进行解释说明,that仅起连接词的作用,无意义,不能省略。第9页/共29页 8.pay off 1.At last the determination and patience of scientists paid off.最终科学家们的决心和耐心得到了回报.2.He paid o
8、ff the crew of the ship.他付清全体船员的工资并将他们解雇。3.In the end he paid off all his debts.pay off 成功;付清薪水并解雇;偿还(债务等);(事业、计划等)成功 pay back 报答;报复第10页/共29页9.Cloning scientists were cast down to find that Dollys illness were more appropriate to a much older animal.1)cast down使沮丧,低沉 be cast down=feel discouraged He
9、 was much cast down by the failure of the experiment.Dont be so cast down.Just keep up your spirits.2)be appropriate to适合于的,与相称的普通鞋不适于下稻田。Ordinary shoes are not appropriate to fields.第11页/共29页即时练习:将下列句子译成英语(1)听到这个消息他很沮丧。_(2)发现事情的真相使他很沮丧。_He was cast down to hear the news.Finding out the truth made h
10、im cast down.第12页/共29页10.On the other hand,Dollys appearance raised a storm of objections and had a great impact on the media and public imagination.a storm of:常指感情猛烈爆发或强烈表现a storm of tears泪如雨下a storm of protest/applause/cheers/abuse/criticism/bullets/arrows 一阵猛烈的抗议/暴风雨般的掌声/暴风雨般的欢呼声/辱骂/评击/弹雨/箭雨第13页/
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