高中英语 Unit2 Warming up Reading导学案 新人教版选修8-新人教版高二选修8英语学案

U2 Cloning Period1 Warming up & Reading【学习目标和重难点】1. To develop reading ability.2.To practise some specific reading skills.3.To know something about cloning. 一、预习自学，探究问题Task1. Warming upAsk the Ss to talk about the following questions: 1. What is a clone?2. How is a clone produced?Suggest answers:1. It is a way of making an exact copy of another animal and plant.2. This happens in plants when gardeners take cuttings from growing plants to make new ones, and when small parts of a plant are taken and gown in a laboratory. It also happens in animals when twins identical in sex and appearance are produced from the same original egg.二、完成学案，提出问题Taks2. Read the short passages and choose the right answer according to the text.1.The main idea of the text is____ A. animal cloning is very valuable and can benefit the world. B. animal cloning could be misused by bad people so it must be forbidden C. animal cloning is well developed because Dolly the sheep was born. D. animal cloning raised arguments and scientists are not sure about its future.2.. The cloning of Dolly the sheep succeeded because____. A. its easier to clone a sheep than other animals B. the scientists were determined and worked hard with patienceC. the scientists were rewarded and got lots of moneyD. many other attempts to clone mammals failed3. The sheep that donated the somatic cell most probably lived ____ years. A. 3 B. 6 C. 9 D. 124. We can infer from the last three paragraphs that ___. The normal development of Dolly had no effect on the cloning of other species.B. Dolly’s serious disease and final death disturbed the whole world.C. Dolly successfully cloned a new lamb with the help of cloning s...