(
课件网) Reading Comprehending and 4 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 一、选择填空 2. Which of the following statements about cloning is NOT true according to the text? A. Cloning is something that has been developed quite recently. B. Twins that look exactly the same are originally from the same egg. C. Cloning is used by gardeners to make more money. D. Animal cloning is much more difficult than plant cloning. A. it is 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 failed 3. The cloning of Dolly the sheep succeeded because . A. it provides the egg cell B. it gives birth to the lamb C. it provides the nucleus D. it is a female sheep 4. The lamb is the clone of the cell from sheep because . 5. The sheep that donated the somatic cell most probably lived years. A. three B. six C. nine D. twelve 二、填表复述 copy plants animals themselves humans Paragraph 1 The definition of cloning Cloning is a way of making an exact 1_____ of another animal or plant. It happens both in 2_____ and in 3_____. They can be cloned by 4_____ and 5_____. Paragraph 2 The major uses and procedures of cloning The cloning of plants is simple and relatively easy. It can be done by taking cuttings (man-made cloning) or letting the plant produce its own runners (natural cloning). The cloning of animals is more complicated. original shorter Paragraph 3 The problems of Dolly At first, Dolly developed normally. Later, she lived for six years, half the length of the life of the 6_____ one. Finally, the problem that occurred to the scientists was that a cloned animal lives 7_____ than the original one. objections controversial Paragraph 4 The impact of Dolly Dolly’s appearance raised a storm of 8_____ and had a great impact on the media and public imagination. It became 9_____. forbade Paragraph 5 People’s reaction to cloning People feared that cloned leaders would do harm to the world. Many governments 10_____ research into human beings. Some countries will use cloning in a wise way. 三、话题议写 ［议一议］ 1. What is cloning? 2. What are two major uses of cloning? 3. What is the scientists’attitude towards cloning? ［写一写］ 1.以约30个词概括课文的主要内容。 2.以约100个词就“克隆”发表你的看法，内容包括： (1)简要说明什么是克隆; (2)克隆的利与弊； (3)谈谈你对“克隆”的看法。 The passage introduces the two major uses of cloning in plants and animals, and the birth and death of Dolly the sheep has evoked much controversy on cloning. Cloning is a way of making an exact copy of another animal and plant ... ...
