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1、Unit 11. The younger generation should continue to sustain and develop our fine traditions and long-standing culture. 2. In the course of preparing ones speech, one should be clearly aware of how one could make effective use of statistics and examples to bolster ones point of view. 3. An impromptu s
2、peech is one of the speaking skills that college students should learn and develop through practice. 4. By using simile and metaphor, you can make your language more vivid and more attractive to your audience. 5. The proper examples you cite might help reinforce the impression on your listeners and
3、make your viewpoints more convincing. 6. When you are speaking, you should choose common and easy words and at the same time avoid clutter in your speech.7. When you write a paper, citing the views from some experts is a good way to make your ideas more credible.8. A good method of delivering a spee
4、ch will improve its quality and will help convey the speakers ideas clearly and interestingly.9. You should not blindly use a word that your are not sure about, and it you are not sure, look up the word in a dictionary.10. Your language should adapt to the particular occasion and audience. If your l
5、anguage is appropriate in all respects, your speech is successful.汉译英：当你发表学术演讲时，首先要做好充分的准备；其次，你演讲的主要观点要明确，层次要清楚。演讲时，语速不要过快，语言要清晰。不要总是在读你准备好的稿子。最后，你应该经常看一下你的听众。这样，一方面你对你的听众表示尊重，另一方面，你可以更顺利地进行你的演讲。Before you deliver an academic speech, you should, first of al, get well prepared for it. Then, you shoul
6、d make your major points clear in your speech, and your speech should be well organized. When speaking, you should not speak too fast, and your language should be explicit. Dont always read the notes you prepared beforehand. From time to time, you should look at your audience. On one hand, you can s
7、how your respect to your audience, and on the other hand, you will be able to go on with your speech more smoothly. Unit 21. Energy use should benefit global sustainability so that it can contribute to long-term human well-being. 2. Today, this consensus has given way to a variety of family styles a
8、s a result of people living longer, marrying later, and divorcing more. 3. Much of the current research entails close collaboration with industry, which leads to a profitable exchange of personnel and ideas. 4. If we cannot pin down exactly what we are supposed to be managing, how can we manage it?
9、5. The magnitude of urban migration in recent years is evidence of more disturbing trends: the expanding gap between rich and poor, rapid population growth and increasing environmental degradation. 6. The students perceived that the toxicity testing of an insecticide is on a par with that of a cosme
10、tic. 7. This presentation describes a large set of plausible goals, at least one of which should be achieved within years. 8. The practice of a strict environmental evaluation and a regular monitoring system is central to the smooth progress of the project. 9. Even the very mediocre services and foo
11、d at the beauty spot did not detract from the enjoyment of the tourists. 10. To finance her tow daughters who are both at college, she began making handicraft to augment the family income. 汉译英：以上各种因素究竟如何影响能源供应的资金成本难以量化，部分原因是许多非环境因素实际上同环境因素相互交织在一起。比如，造成工程施工延误的原因，不但有管理上的限制，而且有工程、管理以及质量监控等方面的问题。然而在美国，过
12、去20年中由于环境影响，石油产品供应的资金成本至少上升了25%，而火电和核电生产的资金成本则上升了40%，甚至更多。It is difficult to quantify the total contribution of all these factors to the monetary costs of energy supply, in part because factors not related to the environment are often entwined with environmental ones. For example, construction delay
13、s have been caused not just by regulatory constraints but also by problems of engineering, management and quality control. Nevertheless, in the US, environmental impacts have increased the monetary costs of supplying petroleum products by at least 25 percent during the past 20 years, and the costs of generating electricity from coal and nuclear power by 40 percent or more.
