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1、Unit3,We have learned more about protecting our environment. Will you still do this like the person,Science versus nature,Now we ll talk about another topic in this unit,Welcome to the unit,From the second picture, you may think of the world famous cloned sheep- Dolly,Do you know sth. about cloning,
2、What do you know about them,Cloning” is a new technology which produces an exact copy of an animal or a plant from its own cells. Dolly was the first cloned mammal created by a Scottish scientist and his group in 1996.She was exactly the same as mother, in appearance and in genes,What do you think o
3、f the new kind of technology? Does it have advantages or disadvantages,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 h
4、uman beings, that is against the laws of nature,Look at the following pictures and study them. Can you tell what is the main feature of cloning,can you identify the differences between the cloned animals and normal ones,Discussion,Dolly is together with her mother,The mule in the picture is the worl
5、ds first cloned mule. It was born,on 4 May 2003. His name is Idaho Gem,The kitten in the picture is called Cc. Its name is from “Copycat,It was born in December 2002,These female pigs are also cloned. They are born on Christmas Day 2001. They are Noel, Angel, Star, Joy and Mary,The pair of calves we
6、re born on 5 July 1998 in Ishikawa, Japan. They were two years younger than Dolly, being second adult animal clones in the world,The name of the cloned monkey is ANDi. It is from “ inserted DNA” spelt backwards. It is the first genetically modified monkey. The technology is different from that used
7、for Dolly,The cloned animals or plants are exactly the same as the original ones,can you identify the differences between the cloned animals and normal ones,Discussion,In your opinion, can the mule in Picture 2 run as fast as his brother,Do you think it would be a good idea to clone humans some day?
8、 Why or why not,If possible, do you want another person to be exactly the same as you,Language points,1. develop: verb,1) to (cause something to) grow or change into a more advanced, larger or stronger form,发育,发展,植物由种子发育而成,Several industries are developing in this area,几种工业正在这个地区发展,Several industrie
9、s are developing in this area,Some children develop more slowly than others,有的儿童比其他儿童发育得慢,2) to invent something or bring something into existence 详述, 规划出,We must develop a new policy/strategy to deal with the problem,我们必须制定一个新的政策来处理这个问题,3) to build houses, factories, shops, etc. on a piece of land:
10、开发,利用,Theyre planning to develop the whole site into a shopping complex,他们正打算把这整个的地区开发为一个购物大楼,4) to make photographs from a film:显影；冲洗,I havent had my holiday photos developed yet,我还没有把我度假的照片冲洗出来呢,n. development adj. developed发达的/developing发展中的,2. sothat如此以致于引导结果状语从句,He got up so early that he caugh
11、t the early bus,他起得如此早以致于赶上了早班车,注意和其他几个短语的区别,so that: （1）以便，引导目的状语从句； （2）以致于，引导结果状语从句,他起得非常早以便他可以赶上早班车,He got up very early so that he could catch the early bus,他起得非常早以致于赶上了早班车,He got up very early so that he caught the early bus,so as to以便，表示目的；相当于in order to， 但不能置于句首；可以和so that句型相互转化， 但从句的主语必须和主句的
12、主语一致；其否定形 式为：so as not to,He got up very early so that he could catch the early bus. = He got up very early so as/in order to catch the early bus,Several books have been bought so as to follow his teacher. （误,For example,Several books have been bought so that he can follow his teacher. （正,He has bou
13、ght several books so that he can follow his teacher,He has bought several books so as to follow his teacher,soas to如此以致于，表示结果； 在sothat句型中，从句的主语和主 句的主语一致的情况下，可以和soas to 相互转化,He got up so early that he caught the early bus,He got up so early as to catch the early bus,高考链接,1.（2005北京）Id like to arrive 2
14、0 minutes early _ I can have time for a cup of tea. A. as soon as B. as a result C. in case D. so that,2. (2003安徽) Sally worked late in the evening to finish her report _ her boss could finish it first thing next mornibg,A. so that B. because C. before D. or else,3.（2002全国）John shut everybody out of
15、 the kitchen _ he could prepare his grand surprise for the party,A. which B. when C. so that D. as if,3. beyond: prep. / adv. (1) further away in the distance (than something) 在(到).较远的一边,山的那一边有什么,What lies beyond the mountains,人们能到月球或更远处去旅行,Men can travel to the moon and beyond,2) be later than 晚于；超
16、过,不要过了午夜还留在那儿,Dont stay there beyond midnight,3) outside or after (a stated limit):为所不能及； 多于；超出,我看不懂这篇文章,Understanding this article is beyond my capacity,这件工作非我力所能及,This work is beyond my grasp,那个果子我够不着,The fruit is beyond my reach,相关的常用短语,beyond comparison 无可比拟的,beyond ones imagination 超出某人的想象,beyond ones power 某人力所不及,beyond ones praise 难以赞扬,beyond ones description 难以形容无法描述,beyond ones reach 某人够不着,beyond ones grasp/ capacity力所不及，难以理解,高考链接,Thank you
