Unit2Cloning教案--人教新课标高中英语选修八.docx

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1、The Design of the Teaching and LearningUnit2 CloningCloning: Where is it leading us?Teaching goals:1. To arouse Sss interest in learning about cloning.2. To learn about the procedure of animal cloning and the life of D olly the sheep.3. To develop Ss some basic reading skills.Teaching Important Poin

2、ts:Help Ss understand something about cloning.Teaching Difficult Points:How to instruct Ss to improve the reading skills.Teaching Procedures；Step 1. Lead inT: Boys and girls, the lovely boy is saying：“Im cloned.” Now, class. Do you want to know something about cloning? In this class we will learn so

3、mething about cloning.Step 2 Warming upGet Ss to look at the picture and help Ss to know what is natural cloning and what is man-made cloning.Step 3 Reading 1.Get Ss to read the text and try to get the main idea of the text.Para 1 The _ of cloningPara 2 The two major_ and the_ of cloningPara 3 The _

4、of DollyPara 4 The _of cloning in societyPara 5 The _towards cloning2.Get Ss to read the text carefully and try to fill in the blanks in each paragraph.Para1.Cloning is a way of making an _ copy of another _ and_. They can be cloned by _ and_.Para2.1.The word “straightforward” means _.A. uncomplicat

5、ed B. honest C. frank D. difficult2.The lamb is the clone of the cell from sheep B because .A. it provides the egg cellB. it gives birth to the lambC. it provides the nucleusD. it is a female sheepPara3. At first, the fact that Dolly seemed to developed _ was _. Then, came the news that Dolly became

6、_ ill. Altogether Dolly lived_ years, half the length of the life of the_ sheep.Para4. On the other hand, Dollys appearance raised a storm of _ and had a great _ on the media and public imagination. The word “controversial” in paragraph 4 probably means_.A. complicated B. arguable C. importantPara5.

7、Evil leaders hoped to cloning themselves to_ their_Religious leaders raised _ questions.Some government _ research into _ cloning.Step 4 PracticeGet Ss to do the following “True or False.”1. Four female sheep participate in the cloning of a new sheep.2. Electricity is needed in the procedure.3. Shee

8、p B provides a somatic cell for the clone.4. The lamb is the exact copy of sheep A.5. People feared that Cloned Hitler would do harm to the world.6. All the research into human beings will be forbidden.7. Some countries to accumulate evidence of the abundant medical aid that cloning could provide.St

9、ep 5 Discussion Step 6 SummaryThe Design of the writing on BbThe Exercises after ClassCloning is a way of _ an exact copy of another animal or plant. Cloning has two _ uses. Firstly, gardeners use it to produce plants. Secondly, it is _ for medical research on animals. Cloning plants is straightforw

10、ard but the cloning of animals is more_. The procedure is difficult to _. In 1996, scientists succeeded in _Dolly the sheep. Then came the disturbing news that Dolly was ill. _ Dolly lived for six years and a half , Dollys appearance raised a storm of _. Government became nervous and many _ research into human cloning. Scientists still _ whether cloning will help or harm us and where it is leading us.