2017年10月14日托福考试:2017年10月14日托福听力考试最新预测

副标题:2017年10月14日托福听力考试最新预测

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【#托福# 导语】10月14日的托福考试即将到来,那么在10月14日的托福听力考试中可能出现哪些内容呢?®文档大全网为大家带来2017年10月14日托福听力考试最新预测一文,更多精彩尽请关注®文档大全网! Environmental policy听力题目:   1. What is the lecture mainly about?   (A) Ways to generate heat for nuclear fusion   (B) Differences between nuclear fission and nuclear fusion   (C) A controversial theory regarding how to generate nuclear fusion   (D) The possibility of establishing sustained nuclear fusion   2. According to the students, what are three advantages of nuclear fusion over nuclear fission   Click on 3 answers.   (A) Nuclear fusion can use a fuel that is more easily obtained.   (B) Nuclear fusion can be achieved at lower temperatures.   (C) Nuclear fusion produces more energy.   (D) Nuclear fusion does not produce hazardous by-products.   (E) Nuclear fusion does not require as many natural resources.   3. Why does the professor mention isotopes of hydrogen?   (A) To correct a student's comment about how fusion takes place in stars   (B) To help answer a student's question about temperature requirements for fusion reactors   (C) To explain what happens to hydrogen atoms during fusion reactions   (D) To justify the need for superconducting magnets in nuclear fusion reactors   4. According to the professor, how will the ITER reactor differ from earlier experimental fusion reactors?   Click on 2 answers.   (A) It will be transportable to different locations.   (B) It will sustain nuclear reactions through heat that it generates on its own.   (C) It will heat the fuel mixture to a higher temperature.   (D) It will confine the plasma in a more energy-efficient way.   5. What does the professor say about the international effort to develop ITER?   (A) The participation of many countries may cause ITER to be delayed even more.   (B) The research orientation of ITER has encouraged international collaboration.   (C) ITER will make use of equipment made in many different countries.   (D) The lack of international cooperation on earlier fusion projects has hurt ITER.   6. What does the professor imply when he says this:   (A) He prefers to work on projects with more immediate results.   (B) He believes that research in the physical sciences requires strict time lines.   (C) He thinks it will take less time to develop ITER than most researchers expect.   (D) He is more skeptical about the future of nuclear fusion than most researchers are.

2017年10月14日托福听力考试最新预测.doc

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