(
课件网) Welcome to the unit The advanced technique in genetics with which scientists can create or copy things with the same DNA is called_____? 遗传学中先进的技术，科学家可以用相同的DNA来制造或复制事物，称为_____? clone 克隆 Dolly and its creator What do you know about Dolly? the world’s first cloned mammal created by Scottish scientist in 1996 died in 2003 because of lung disease many countries have banned human cloning since Dolly’s birth 你好，我是多莉。我是世界上第一个克隆哺乳动物 Hello, I’m Dolly. I am the world’s first cloned mammal. cloned female pigs克隆母猪 We are cloned female pigs and we were born on Christmas Day 2001.我们是克隆母猪，出生于2001年圣诞节。 我是用一只成年猫的细胞创造出来的。 I was created using a cell from an adult cat. 我是第一个克隆猴子。我出生在美国的一个研究中心。 I am the first cloned money. I was born at a research center in the USA. Brainstorming If you are a scientist, what do you want to clone? Why? More contributions to human More world champions Fun pictures If cloning goes wrong, what will happen? Discussion Do you think clone would be a good idea some day? Why or why not? Science and Nature 科学与自然 Title understanding How can you understand the word copy? 你怎么能理解copy这个词？ A. model 模型 B. clone克隆 C. similarity相似性 D. imitation模仿 cloned pigs 1.What is cloning?什么是克隆？ 2. What was the name of the first cloned mammal?第一个克隆哺乳动物叫什么名字？ Cloning is producing an exact copy of a plant or an animals using its cells.克隆技术是利用植物或动物的细胞产生一个精确的复制品。 Dolly.多莉。 3. Is Pauline Carter for or against human cloning? 波琳·卡特是赞成还是反对克隆人？ She is against human cloning. Reading strategy阅读策略 Go through the reading strategy, and find out how to work out the meaning of these scientific terms.通过阅读策略，找出这些科学术语的含义。 Step1 Begin by reading the first and last paragraphs for an idea of what the article is about.从阅读第一段和最后一段开始，了解文章的内容。 Step2 Scan the body of 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. 扫读文章的正文。圈出你不知道的单词。对你不理解或看起来没有意义的事情提出质疑。 Step3: Read through the article a few times. You will often be amazed to discover that what confused you as first makes sense upon further readings 把这篇文章通读几遍。你常常会惊奇地发现，最初让你困惑的东西在进一步阅读时是说得通的。 First reading Read through the passage and find out the main idea. 通读这篇文章，找出大意。 The reading passage is about how cloning is being researched and the different attitudes towards it.这篇阅读文章是关于克隆是如何被研究的，以及人们对克隆的不同态度。 Second reading—Understanding scientific terms 第二次阅读--理解科学术语 Circle the unfamiliar words or things they do not understand while second reading.圈出他们在第二次阅读时不理解的生词或事物。 Third reading—Detailed informat ... ...
