Unit2 Cloning 导学案学习目标：1. 了解什么是克隆、克隆的利弊及对克隆技术的反思。 2. 掌握本单元教学目的和要求中的词汇和短语的用法。3. 熟练掌握同位语的用法。4. 进一步熟悉和运用有关接受与拒绝, 表扬与鼓励的表达方式。课前预习I. Read the first text and choose the best answer.1. It can be inferred from the passage that a cloned animal _________. A. usually lives as long as the original one B. usually lives longer than the original one C. usually dies earlier than the original one D. is usually as healthy as the original one2. The cloning of Dolly the sheep succeeded because ________. A. it’s easier to clone a sheep than other animals B. the scientists were determined and worked hard with patience C. the scientists were rewarded and got lots of money D. many other attempts to clone mammals failed3. Dolly the sheep _________. A. looked exactly like the sheep that provided the eggB. was the exact copy of the sheep that provided the nucleus. C. looked like the sheep that gave birth to it D. had the characteristics of all three sheep4. We can use the skill of cloning to ________. A. bring about global peace B. create other famous scientists C. improve the development of learning language D. cure some special diseases5. The main idea of the text is _________.A. animal cloning is very valuable and can benefit the wouldB. animal cloning could be misused by bad people so it must be forbiddenC. animal cloning is well developed because Dolly the sheep was bornD. animal cloning raised arguments and scientists are not sure about its futureII. Read the passage and answer the following questions.1. What are the two major uses of cloning?____________________________________________________________________________________________________...
