2022年新视野视听说第四册quiz答案.docx

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1、精选学习资料 - - - - - - - - - Unit 8 Part IScriptDirections: Listen to the short dialogs, and then choose the correct answers to the questions. You will hear the recording twice. After the first playing, there will be time for you to choose the correct answers. Use the second playing to check your answer

2、s. 1. Listen to the audio recording for the question. A. He does not want to eat GM food. B. He wants GM food labeled. C. He does not care if GM food is labeled. D. He agrees with the woman. 2. Listen to the audio recording for the question. A. The man is against organ cloning. B. The woman is again

3、st organ cloning. C. The man is a scientist devoted to organ cloning. D. The woman will let her organ clones once it fails. 3. Listen to the audio recording for the question. A. She wants the man to go to the meeting. B. She wants the man to pick up the children. C. She wants to clone the man. D. Sh

4、e does not want a clone of the man. 4. Listen to the audio recording for the question. A. The two speakers have a lot of common interests. 名师归纳总结 - - - - - - -第 1 页,共 8 页精选学习资料 - - - - - - - - - B. The two speakers have both chosen Mr. Greens elective course. C. The woman has a lot of knowledge on g

5、enetics. D. The man is beginning to like genetics. 5. Listen to the audio recording for the question. A. Both the man and the woman are against GM food. B. Both the man and the woman are for the GM food. C. The woman is probably a consumer of GM foods. D. The man is probably a consumer of GM foods.

6、Part II ScriptDirections: Listen to the passage three times. When the passage is read for the first time, listen for the general idea. When the passage is read the second time, fill in the blanks numbered from 1 to 7 with the exact words you hear. For blanks numbered from 8 to 10, write down either

7、the exact words you hear or the main points in your own words. When the passage is read the third time, check your answers. There are many ways in which human stem cells can be used in basic research and in clinical research. yieldStudies of human stem cells may 1 information about the complex event

8、s identifythat occur during human development. A primary goal of this work is to 2how stem cells become divided or differentiated 分化. Scientists know that 名师归纳总结 - - - - - - -turning genes on and off is 3central to this process. Some of the most serious medical conditions, such as cancer and birth d

9、efects, are due to 4abnormal cell division and differentiation. A better understanding of the genetic and molecular controls of these processes may yield information about 5how such diseases 第 2 页,共 8 页精选学习资料 - - - - - - - - - arise and suggest new strategies for therapy. A significant barrier 6to t

10、his use and most uses of stem cells is that scientists do not yet fully understand the 7signals that turn specific genes on and off to influence the differentiation of the stem cell. The most important potential application of human stem cells is perhaps the generation of cells 8that could be used f

11、or cell-based therapies. Today, donated organs and tissues are often used to replace ailing or destroyed tissue, but the need for transplantable tissues and organs far outweighs the available supply. 9to treat diseases including Parkinsons and Alzheimers diseases, spinal cord injury, stroke, burns,

12、heart disease and diabetes. For example, 101 Your answerCorrect answer. yield yield 2 identify identify 3 central central 4 abnormal abnormal 5 how how 6 to to 7 signals signals 8 The most important potential The most important potential application of human stem cells is perhaps the generation of c

13、ells and application of human stem cells is perhaps the generation of cells and 9 tissues tissues Stem cells, directed to differentiateinto specific cell types, will offer a source of replacement cells and tissues10 it may become possible to generate healthy heart muscle cells in the laboratory and

14、then transplant those cells into patients with chronic heart disease 名师归纳总结 - - - - - - -第 3 页,共 8 页精选学习资料 - - - - - - - - - Part III ScriptDirections: Listen to the following recording, and then choose the correct answers to the questions. You will hear the recording twice. After the first playing,

15、 there will be time for you to choose the correct answers. Use the second playing to check your answers. 1. What is the Iceland company doing. A. Creating a detailed map of the genes of the Icelandic people. B. Creating a detailed map of all human genes. C. Creating a map as detailed as those by som

16、e other projects. D. Creating a map less detailed than that by the American company. 2. Why do the people of Iceland present a special opportunity to study the human genome. A. Iceland has a small population. B. Most of the Icelanders have a small group of ancestors. C. Plenty of records of their an

17、cestors are available. D. All of the above. 3. Why is the Iceland genome project superior to the American genome project. A. Because it observes 200 million people. B. Because it observes 14 large families. C. Because it observes more families than any other project. D. Because it observes more fami

18、lies than many other projects. 4. Why can the study of genes help to identify the causes of diseases. 名师归纳总结 - - - - - - -第 4 页,共 8 页精选学习资料 - - - - - - - - - A. Small genetic differences may be related to some diseases. B. Large genetic differences may be related to some diseases. C. The genetic sim

19、ilarity may throw light on some diseases. D. Similar genes will cause similar diseases. 5. What is the passage mainly concerned about. A. Finding out the history of Irish families. B. Finding out the special genes of Irish people to cure their diseases. C. Creating a detailed human genetic map to id

20、entify disease-causing genes. D. Creating a detailed human genetic map to identify abnormally small genes. Part IVDirections: Choose the best answer to each of the following statements. 1. With the advent of the genetic map we know what everything is, but do we know where to _. A. go for it B. go wi

21、th it C. get for it D. get with it 2. As you know, it has taken millions of years of evolution and natural selection to get us _ we are today. A. how B. who 名师归纳总结 - - - - - - -第 5 页,共 8 页精选学习资料 - - - - - - - - - C. what D. where 3. Its too late to _ the clock. Well just have to depend on common sen

22、se to solve uncommon problems. A. return B. turn around C. turn back D. turn round 4. Many prisoners have been freed through DNA testing, except for the ones whose death sentence has already been _. A. carried out B. carried on C. carried forward D. carried away 5. I guess there would be some tremen

23、dous medical advantages in that sort of research. Youve said _. A. a mouth B. the mouth C. a mouthful D. the mouthful 6. Plant breeders have already used preliminary information from the rice 名师归纳总结 - - - - - - -第 6 页,共 8 页精选学习资料 - - - - - - - - - genome to create experimental strains of rice that b

24、etter _ cold and pests. A. resist B. resist to C. resist with D. resist against 7. When scientists can identify and manipulate genes that cause certain diseases, _ will cure them easily. A. the mankind B. mankind C. the man D. human race 8. All Americans eat biotech foods unless they deliberately se

25、ek out products that are labeled _. A. others B. otherwise C. through other ways D. in other methods 9. Human beings must learn to _ a balance between the welfare of a patient and that of a clone. A. strike B. hit 名师归纳总结 - - - - - - -第 7 页,共 8 页精选学习资料 - - - - - - - - - C. beat D. access 10. Do you think its wrong to _ with nature by biotechnology. A. interact B. interconnect C. interface D. interfere 名师归纳总结 - - - - - - -第 8 页,共 8 页