reading评优课.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Unit3,Science,versus,nature,What does,versus,mean?,It is used when discussing,sports competition or the law,which means that two teams or sides are,against,each other.,Versus,The match tonight is,China versus Japan,.,the problem of,peace versus war,Today,we will discuss a new technology called,cloning,.,According to what you have learnt in biology,do you know,1 What is cloning technology,Cloning is producing an exact copy of a plant or an animal using its own cells.,2.,Do you know what is the first cloned mammal,The sheep called Dolly,Hello,I m Dolly.I am the worlds first,cloned,mammal.,Picture-talk,Dolly,The first cloned mammal,Dolly and Its Father-Ian,Wilmut,The mule(,骡）,in the picture is the worlds first cloned mule.It was born on 4 May 2003.His name is Idaho Gem and his brother,Taz,was a racing mule that has won many competitions.,The kitten in the picture is called Cc.Its name is from Copycat.Scientists in the USA created it with a cell taken from its mother,Rainbow.It was born in December 2002.,I was created using a cell from an adult cat,Just call me Noel,OK?,I m Angel,in your heart,Im your Star.Love me please.,Hi!Im Joy.Im,happy-go-lucky,everyday.,Im the beautiful Mary,The name of the cloned monkey is,ANDi,.It is from inserted DNA spelt backwards.It is the first genetically modified（,基因更改）,monkey.The technology is different from that used for Dolly.,clone,Brainstorming,gene,genetic,genetically,cell,embryo,organ,sheep,mammal,tissue,stem cell,biology,copy,cloning,Cloned,Reading,Science Versus Nature,First reading,Main idea,Second readingUnderstanding scientific terms,Third readingDetailed information,Further discussion,Homework,Reading strategy,Reading strategy,Go through the reading strategy,and,find out how to work out the meaning of these scientific terms.,Step,1,Step,2,.,Step,3,Begin by reading the first and last paragraphs,for an idea of what the article is about.,Circle any words you do not know.Question things you do not understand or that do not appear to make sense,Read through the article a few times,and make sense of the scientific terms upon further readings.,First readingMain idea,Refer to the reading passage and find out the main idea.,(The reading passage is made up of a newspaper article about cloning and two readers letters.We will be given information about how cloning is being researched and the different attitudes towards it.),Lets find out the main idea of each,paragragh,Para 1,Para 2,Para 3,Para 4,Para 5,Para 6,An announcement about the first cloned human embryo caused much debate.,The first cloned mammal was Dolly.,Ian,Wilmut,is shocked that some scientists are considering cloning human beings.,A woman wants to have a cloned baby.,Cloning human embryos is illegal in many countries,but some scientists still want to clone human beings.,Chinese scientists continue to research ways in which cloning can benefit mankind.,Second reading,Understanding scientific terms,Ask students to circle the unfamiliar words or things they do not understand while second reading.and make good sense of the article.,True or False,1.People all over the world are happy about the idea of cloning human beings.,2.Dolly,the first cloned mammal,is exactly the same as other sheep.,3.According to the article,the scientist who created Dolly does not agree with cloning human beings.,4.Cloning can be used to cure diseases because it can produce new tissues and organs.,5.Colin Jake is against cloning humans,just like Pauline Carter.,6.Cloning human beings is illegal in many countries,so no scientists want to clone human beings.,F,Not all people,F,T,Not exactly,T,F,Not like,F,A few scientists,Reading comprehension:,1.The announcement of successful,human embryo cloning has caused,much debate because_.,A.people still have no clear idea about,the results of human cloning,B.valuable tissues and organs can be,used to save humans,C.mankind is going to produce terrible,monsters,D.people know that nature will punish,mankind for human cloning,2.The success of the cloned sheep Dolly,has proved that_.,cloning will create more diseases in,animal world,B.cloned animals will die at a much,younger age than normal,C.man has been able to produce an,exact copy from an adult cell,D.man can interfere with nature at his,will,3.According to the passage,what is,the real intention of Ian,Wilmut”s,cloning research?,A.To create copies of humans in the,end.,B.To destroy human embryos in the,end.,C.To create new tissues or organs for,sale.,D.To cure deadly diseases eventually.,Third reading,Detailed information,Read only the article carefully,and finish the following exercises:,1.What are the different attitudes towards the success of cloning a human embryo?,On the one hand_,On the other hand_,Some people consider that_,(valuable tissues and organs can be,produced and be used to save human lives),(human beings may be on the way to,producing a real-life monster),(cloning human embryos,with the intention to destroy,them shows no respect for,human life.),2.Who are the persons in the article related to cloning?,persons,introductions,relations to cloning,Ian,Wilumt,a Scottish _ who created Dolly,the first mammal to be cloned successfully from_,He was _when hearing_,_.He never intends to_.Instead,he thinks the efforts of scientists should be directed towards _,_that could be used to_,_.,Faye Wilson,a woman of 41 years old who cannot have a,_.,She is desperate to have a baby of her own,a child_.,Severino,Antinori,an Italian_,who is one of the leaders in,_,He has declared that_,_.,Chinese scientists,who have focused their efforts on _,_,_.,China has succeeded in _,_,and continues to research the ways in which _,_.,scientist,an adult cell,shocked,some scientists,were considering cloning human beings,create copies of humans,creating new cells,and organs,cure,diseases like cancer,baby,that is genetically related to her.,doctor,the cloning research,he wants to be the,first to clone a human being,cloning,animals and stem cells,to be used in medical,research,producing clones of,cows and goats,cloning can benefit,mankind,Read the two letters carefully,and,judge whether the statements are true or false:,Pauline Carter thinks:,1.the nature will pay back if we interfere with nature.,2.we should clone fewer babies to reduce Earths population.,3.the lady who cannot have a baby can adopt an orphan,but not have a cloned baby.,Coline,Jake thinks:,1.the news that the first human embryo has be cloned successfully is very terrible.,2.scientists have succeeded in challenging questions of morality.,3.human cloning is a good way to save her daughter who has died.,T,T,F,F,F,F,Further discussion,Understanding the scientific terms and reinforcing the comprehension of the text,you are got to form groups of four or six to discuss the further questions:,Pro-cloning,Anti-cloning,1.produce valuable tissues and organs that could be used to save human lives,1.may produce a real-life,Frankenshteins,monster,2.,2.,3.,3.,4.,4.,5.,1.Find the reasons why people are pro-or anti-cloning,in the article and letters and write them in the table below,cure disease like cancer,help those who are unable to have children,help those who want to clone their dead children,create more disease in the animal world,cloning shows no respect for human life,human life would no longer be unique,we should be having fewer babies in order to reduce Earths population,not cloning more,Try to describe Bushs feelings.,Fun pictures,If cloning goes wrong,what will happen?,A dog or an eagle?,A lion or a kangaroo?,A frog or a crocodile?,A tortoise or a bear?,A bird or a dog?,A dog or a man?,2.Do you think it would be easy for the cloned baby to accept his/her social identity as a cloned human being?,What would the person that had the original cell feel about the cloned baby?,4.Think about the relationship between the title of the unit,Science versus nature,and cloning technology.,The new kind of technology has caused widespread discussion.It can help cure many diseases,save lots of peoples lives and even prevent some endangered,animals from dying out.However,on the other hand,if it is used to clone human beings,that is against the laws of nature.,The perfect copy,Is it perfect?,Technology,Morality,There is no forbidden field in science,but we must make sure the technology under control.,科学无禁区，技术应节制,Homework,1.Finish the paper.,2.Preview language points of the reading part.,