发布时间 : 星期一 文章新视野大学英语视听说第四册unit8quiz答案更新完毕开始阅读
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Unit 8 Quiz Part I Directions: Listen to the short dialogs, then choose the correctanswers to the questions. You will hear the recording twice. Aftthe first playing, there will be time for you to choose the correanswers. Use the second playing to check your answers. 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. Your answer C Correct answer C 单元小测验2. (Listen to the audio recording for the question.) A. She agrees with the man. B. GMO spreads diseases. C. GM fish are abnormally large. . word可编辑 .
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D. Trees grow too fast. Your answer A Correct answer A 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. She does not want a clone of the man. Your answer D Correct answer D 4. (Listen to the audio recording for the question.) A. Evolution is more efficient than lab experiments. B. Evolution is less efficient than lab experiments. C. Evolution produces better strains. D. Lab experiments produce more strains. Your answer B Correct answer B 5. (Listen to the audio recording for the question.) A. The woman wants to be coaxed to clone herself. B. Beauty is in the eyes of the beholder. . word可编辑 .
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C. Love is blind. D. The man wants copies of the girl through cloning. Part II Directions: Listen to the passage(s) three times. When the passage is read for the first time, listen for the general idea. Whethe passage is read for the second time, fill in the blanks numbered from S1 to S7 with the exact words you hear. For blannumbered from S8 to S10, write down either the exact words yohear or the main points in your own words. When the passageread for the third time, check your answers. There are many ways in which human stem cells can be used inbasic research and in clinical research. Your answer D Correct answer D Studies of human stem cells may (S1) (1)information about the complex events that occur during human development. A primary goal of this workto (S2) (2)how stem cells become divided or differentiated. Scientists know that turning genes on and off is (S . word可编辑 .
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(3)to this process. Some of the most serious medical conditions, such as cancer and birth defects, are due to (S4) (4)cell division and differentiation. A better understanding of the genetic and molecular controls of these processes may yield information about (S5) (5)such diseases arise and suggest new strategies (6)for therapy. A significant barrier (S6) this use and most uses of stem cells is that scientists do not yet fully understand the (S7) (7)that turn specific genes on and off to influence the differentiation of the stem cell. (S8) (8)that could be used for 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. (S9) (9)to treat diseases including Parkinson's and Alzheimer's diseases, spinal cord injury, stroke, burns, heart disease and diabetes. For example, (S10) (10). Your answer (1) yeild yield Correct answer . word可编辑 .