⾼考英语⼀轮复习话题37克隆（Unit2Cloning）新⼈教版选修8话题37 克隆（Unit 2 Cloning）晨读背诵When the media report on cloning in the news, they are usually talking about only one type called reproductive cloning. There are different types of cloning however, and cloning technologies can be used for other purposes besides producing the genetic twin of another organism.Scientists have been cloning animals for many years. In 1952, the first animal, a tadpole, was cloned. Before the creation of Dolly, the first mammal cloned from the cell of an adult animal, clones were created from embryonic cells. Since Dolly, researchers have cloned a number of large and small animals including sheep, goats, cows, mice, pigs ,cats, rabbits, and a gaur. All these clones were created using nuclear transfer technology.汉语⼤意：当媒体报道的克隆的消息，他们通常所说的只有⼀种称为⽣殖性克隆的类型。
克隆英文作文90字英文：Cloning is a controversial topic in the scientific community. Some argue that it could lead to medical breakthroughs and advancements, while others are concerned about the ethical implications of creating identical copies of living beings. Personally, I believe that cloning should be approached with caution and only used in specific circumstances.For medical purposes, cloning could be beneficial in creating organs for transplant or helping to cure genetic diseases. However, the cloning of entire animals or humans is a different story. It raises questions aboutindividuality and the value of life. Is it ethical to create a clone of a human being, essentially making them a duplicate of someone else? What happens to the clone's sense of self and identity?Furthermore, there are also concerns about the safety of cloning. In the past, cloned animals have had health issues and abnormalities. It is important to thoroughly research and test the effects of cloning before it is widely used.Overall, while there may be potential benefits to cloning, it is important to approach it with caution and consider the ethical implications.中文：克隆是科学界一个备受争议的话题。
Hello,everyone! I’m very pleased to have an opportunity to talk about some of my teaching ideas. My topic the first section —warming up and reading of unit 2 Cloning. It is made up of four parts.1.The analysis of the teaching material:This lesson is a reading passage--- “ Cloning: Where is it leading us?”, for the students ,it is a rather difficult topic,so the teaching activities aim to help students understand cloning better, and enable students to express their ideas freely. Moreover, the lessonis the firstone of unit2. if students canlearnwell, itwill be very helpful totherest of the lesson.2.Teachingaims:a. Knowledge aim: the students is supposed to have a good command of the main idea of the text and know the advantages and disadvantages of cloning..b. Ability aim: this lessonaims toimprove students’ability of findingsome specific informationinthe reading. Inaddition,after the lesson, students should have a goodknowledge of what cloning is and can express their ideas freely about the issue whether it is right or not to clone humans by using the words they have learned.c. Emotional aim: Make the Ss aware of the problems cloning may bring about, and reach a mutual opinion of life value.3.Key points / Teaching important points:Know the advantages and disadvantages of cloning.4.Teachingdifficult points:How to find the needed information in a limited time.As far as the students is concerned , it is a remote to pic . The don’tknow much about cloning,except fromDolly the sheep and the filmJurrish park . W hat’s mo re, they don’thaveenoughwords todisscus s thetopic freely. Sobeforethelesson, I askedthe students to surf the internet and form a : “word bank” about the topic to be well prepared for the lesson.Before dealing with this lesson, I’ll do my best to carry out the following theories:Make the Ss the real masters in class while the teacher himself acts as director ；Combine the language structures with the language functions; Let the students receive some moral education while they are learning the English language.1.Teachingmethod:Question-and-answer activity teaching methodFree discussion methodPair work or individual work method2.Teachingaids: a projector a tape recorder multimedia the blackboardI have designed the following steps to train their ability of listening, speaking, reading and writing, especially reading ability.Step1 GreetingsGreet the whole class as usual.Step 2.leading inTell a story about a woman having a cloned husband to lead in the topic. This step aims to arouse students interest about the topic.Step 3. Brainstorming and checking the homeworkAsk students what the know about cloning(this is a homework assigned before, letsudents surf the internet to get some information about the topic)then show them some pictures of plants, animals and humans to distinguish natural clonesfrom man-made clones.The questions are as follows:1. what is a clone?2. is it man-made or natural clones?The purpose of the design is by showing them some pictures and letting them talk to each other, to collect the answers of students to see whether they are well-prepared for this lesson and make students know something about the topic.Step4 Pre-readingIn pairs disscuss the following questions:1. What advantages can humans gain from cloning ?2.is it reasonable to clone humans or endangered animals?3. do you want to have a clone one of yourself,why or why not?Theaimof this stepis toletstudents toexpress their ideas freely by usingthewordsthey have learned to improve their spoken language, and then lead in the reading material naturally to know more about cloning. In this way, students will be eager toread the reading to enrich their knowledge.Step4. Fast readingRead the passage as quickly as they can. And find the main idea of each topic.The purpose is to guide students to know that the main idea usually appear in the beginning.and know what the writer will convey to us in the passage.Step 5. Intensive readingRead the passage carefully again and answer some detailed questions on the screen.1. what is a clone?2.what are the two major uses of cloing?3. what was the first clone from an adult animal? At what age did the clone die?4. why is cloning controversial in some countries?It is also called depth reading or study reading. It means reading for detailed information.Purpose: Further understand the text (Trainfurther readingability ) to find out some different sentences and details of the text.Step 6. Listening ( book closed )1. Listen to the tape then do an exercise----. True or false exercise. ( on the screen )The step aims to train the Ss’listening ability, such as the pronounciation , the intonation ,stress. and prepare for later exercises.Step 7. details of the passage.Guide students to read each para. Carefully to find the difficult sentences in the passage to form a better understaning of the text.Step 8. Discussion1. what do you thing is the writer’s ponint of view in this reading passage? Is it in favor of cloing or against if?2. do you want to have a clone one of yourself or a clone brother or sister? Why or why not?Purpose: the first questionaims to check whether students have fully understandthe lesson. For the second one,I mean to give them emotional education.if humans arecloned, a lot of questions will arise!the world will be in a mess!Step10. HomeworkRead the passage again and finish the exercises on page 13.Part5. Blackboard design。
