文档介绍：新编研究生英语系列教程
博士研究生英语综合教程
(第二版/教师用书)
北京市研究生英语教学研究会
主编陈大明徐汝舟
副主编刘宁王焱华
许建平
编者赵宏凌邹映辉
杨凤珍来鲁宁
张剑柳君丽
曹莉郑辉
中国人民大学出版社
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北师大博士英语听力U1教师笔记
北师大博听3-1原文
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KEY TO THE EXERCISES
Unit One Science
Text 1 Can We Really Understand Matter?
I. Vocabulary
1. A 2. B 3. A 4. C 5. D 6. B 7. B 8. C
II. Definition
1. A priority 2. Momentum 3. An implication 4. Polarization
5. the distance that light travels in a year, about trillion miles or trillion km.
6. a contradictory or absurd statement that expresses a possible truth
7. a device that speeds up charged elementary particles or ions to high energies
III. Mosaic
1. The stress: (Omitted)
Pronunciation rule: An English word ended with –tion or –sion has its stress on the last syllable but one.
2. molecule
3. A 4. B 5. C 6. B 7. A 8. A
IV. Translation
(Refer to the relevant part of the Chinese translation)
In September 1995, anti-hydrogen atom—an anti-matter atom—was essfully developed in European Particle Physics Laboratory in Switzerland. After the startling news spread out, scientists in the West who were indulged in the research of anti-matter were greatly excited. While they were attempting to produce and store anti-matter as the energy for spacecraft, they raised a new question: Many of the mysterious nuclear explosions in the recent one hundred years are connected with anti-matter. That is to say, these hard-to-explain explosions are tricks played by anti-matter. They are the “destruction” phenomenon caused by the impact between