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1、2019-2020年高中英语必修5Unit3Scienceversusnature-Reading(I)Teaching objectives:1.To reinforce students prehension of the text and improve their other skills by participating in all the activities.2.To help students know the widespread discussion about cloning and hold their own attitudes towards it.3.To en
2、able students to master the reading strategy and bee more petent in reading articles related to science.Teaching focus and difficulties:1. Students can work out the meaning of difficult or unfamiliar scientific terms with reading strategy.2. Students can hold their own opinions on the base of readin
3、g the article.Teaching aids:The multimediaBrief teaching procedures:Step1 Lead- in Check the homework. Encourage students to share their sources relevant to cloning technology with the whole class. Tell students that cloning has been the subject of scientific experiments for years. The recent succes
4、s in cloning animals has resulted in fierce debates between scientists, politicians and public.Step2 Reading strategy Get students to go through the reading strategy, and make sure that everyone of them understands how to work out the meaning of these scientific terms.Step1Begin by reading the first
5、 and last paragraphs for an idea of what the article is about.Step2Circle any words you do not now. Question things you do not understand or that do not appear to make sense.Step3Read through the article a few times, and make sense of the scientific terms upon further readings.Step3 First readingMai
6、n idea Ask students to 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.)Step4 Second readin
7、gUnderstanding scientific terms Ask students to circle the unfamiliar words or things they do not understand while second reading. (For example: embryo, tissues and organs, interfere with nature, etc)Step5 Third readingDetailed information Ask students to read only the article carefully, and finish
8、the following exercises: 1. What are the different attitudes towards the success of cloning a human embryo? On the one hand (valuable tissues and organs can be produced and be used to save human lives) On the other hand (human beings may be on the way to producing a real-life monster) Some people co
9、nsider that (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?personsintroductionsrelations to cloningIan Wilumta Scottish scientist who created Dolly, the first mammal to be cloned successfully from a
10、n adult cell He was shocked when hearing some scientists were considering cloning human beings. He never intends to create copies of humans. Instead, he thinks the efforts of scientists should be directed towards creating new cells and organs that could be used to cure diseases like cancer.Faye Wils
11、ona woman of 41 years old who cannot have a baby. She is desperate to have a baby of her own, a child that is genetically related to her.Severino Antinorian Italian doctor, who is one of the leaders in the cloning researchHe has declared that he wants to be the first to clone a human being.Chinese s
12、cientistswho have focused their efforts on cloning animals and stem cells to be used in medical researchChina has succeeded in producing clones of cows and goats, and continues to research the ways in which cloning can benefit mankind.Ask students to read the two letters carefully, and judge whether
13、 the statements are true or false:Pauline Carter thinks: 1. the nature will pay back if we interfere with nature. ( T ) 2. we should clone fewer babies to reduce Earths population. ( F ) 3. the lady who cannot have a baby can adopt an orphan, but not have a cloned baby. ( T )Coline Jake thinks: 1. t
14、he news that the first human embryo has be cloned successfully is very terrible. ( F ) 2. scientists have succeeded in challenging questions of morality. ( F ) 3. human cloning is a good way to save her daughter who has died. ( F )Step6 Further discussion Understanding the scientific terms and reinf
15、orcing the prehension of the text, students are got to form groups of four or six to discuss the further questions: 1. Find the reasons why people are pro- or anti-cloning in the article and letters and write them in the table belowPro-cloningAnti-cloning1. produce valuable tissues and organs that could be used to save human lives1. may produce a real-life Frankenshteins monster2. cure disease like cancer2. create more disease in the animal world3. help those who are unable to have children3. cloning shows no respect for human life4. help those who want to clone their dead children
