新人教版英語高二下module8unit2cloning之三-在線瀏覽
2025-01-20 06:00本頁面
【正文】 er. Prereading Questions about cloning 1. What is a clone? A clone is group of cells or anisms that are geically identical and have been produced asexually from the same original cell. They include natural and manmade clones. 2. How is a clone produced? The cloning of plants is simple and relatively easy. It can be done by taking cuttings (manmade cloning) or letting the plant produce its own runners (natural cloning). The cloning of animals is more plicated. It was not achieved until 1996 and is fully explained in the first reading. 3. What benefits can humans gain from cloning? 1) Medical cloning can help cure serious illnesses that ruin one’s quality of life (such as Parkinson’s disease帕金森癥 or Alzheimer’s disease老年癡呆癥 ). 2) It can help infertile people have babies. 4. What problems may arise when humans are cloned? 1) People may want to clone themselves so they can live forever. 2) People may want to clone dead children. 3) People may want to clone their favorite pets. Scanning Write the letter T if the Statement is true. Write F if it is false. 1. Cloning means making a copy of an animal or a plant. 2. Gardeners can make a lot of money by cloning plants. 3. Cloning animals is as plicated as cloning plants. F T F T T 4. Dolly the sheep was the first successful clone of a mammal. 5. Natural clones happen in animals as well as in plants. Skimming Please read the passage and get the main idea, and then finish the following exercises in groups. 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. 主旨大意 2. Which of the following statements about cloning is NOT true according to text? __ A. Cloning is something that has b
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