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1、第一单元1. I did not feel so disturbed and nervous until the day when I had to say farewell to my parents and friends and leave home. 2. My feelings of leaving woke me up an hour before my alarm clock was set to go off. 3. For the whole day I recalled the people and things I would miss a lot. 4. It is m
2、ost important that I would have to say good-bye to my parents. 5. All of a sudden, my extravagant big talk about becoming independent and free became the reality which I had to be confronted with and which made me frightened. 6. I guess that is part of going to a university 6 hours away from my home
3、. 7. As soon as I made a decision to go to the university, all my personal problems had seemed to disappear gradually. 8. It was hard to divorce because it might traumatize everybody involved. 9. She accompanied me to my car, and I could feel my sadness welled up in my pit of stomach. 10. What my mo
4、ther said implied that all money I spent from then on would be my own , which sounded frightening but funny, too.第二单元No. Your answers Suggested answers 1. Modern methods of locating and drilling for oil allow higher production and lower cost per barrel.2. But there is another quite different situati
5、on. That is to say, the oil price will not rise at all over the long term if we take inflation into consideration.3. Members of OPEC still own the most and best oil in the world. 4. Smith Rea Energy Associates Ltd., a London-based researcher, estimates that the worlds oil producers could add 350 bil
6、lion barrels to their proven reserves if they take into account all the oil that they can afford to develop because of the new technology.5. The very notion of what oil reserves are has changed. They are no longer fixed number of barrels. The technology has made it possible for the reserves to grow
7、when new resources are found and more oil is produced from the old field.6. People who try to predict the cost of oil often think and act alike (even more than a flock of sheep!) 7. Numerous independent oil firms (not owned by the big ones) are now using the latest methods of technology.第三单元1. An ev
8、en greater new achievement in biology (than the recent mapping of the human genome) may overshadow the progress in genomics (study of genes). 2. A liver cells proteins and functions are different from those of a blood cell. 3. We would not know the criminals (bad guys) in our hypothetical village, w
9、hich are like the proteins which work incorrectly and must be fixed to cure illness. 4. The new methods are more effective and scientists have easier access to the data. 5. Once the proteins are separated, enzymes can be used to cut them into small pieces, then the proteins are put into a mass spect
10、rometer which forces them quickly into a vacuum and tracks their speed. 6. The increasing level of international cooperation in studying proteins shows that proteomics is a growing field. 7. But as the plasma proteome project indicates, we will benefit even when we are at the period of making a list
11、 of proteins. 8. Judging by the surprising advances in human genomics, a very hotly-contested competition among researchers, the rewards will come more quickly than most of us believe. 第四单元1. The Freedom Tower will also improve its reputation as an international example of low energy use and green f
12、eatures to protect the environment. 2. The new design of Freedom Tower shows high praise of liberty and a solid promise of safety. 3. This grand new part of our citys visible line of tall buildings is not only a powerful example of architecture but also takes into account the dangers to safety in th
13、ese troubled times. 4. While retaining the characteristics of the original design, the entire composition of the Freedom Tower conjures up the Statue of Libertys torch and will give out light, becoming the icon of freedom. 5. As security requirements are reinforced, the building will be open to the
14、public. 6. Im sure that when the construction of the building is completed, we will say with confidence that we have done the best job. 7. Freedom Tower is a striking and simple symbol as well as a marker in the sky for the Memorial below. 8. The Memorial is cut from rocks in the ground and symboliz
15、es remembering the past, the Freedom Tower symbolizes the hope and the future as it soars into the heavens like a many-faced, clear crystal full of light, reflecting light. 9. By decreasing waste through recycling of construction materials, the construction of Freedom Tower will also make progress i
16、n improving environmental quality. 10. According to the plan, the reinforcing steel bars for the building will be visible above ground in 2007 and the construction of the whole building will be completed in 2009.5No.Your answersSuggested answers1.After the space shuttle Columbia disaster, there were doubts about the ability of NASA to successfully pursue a new, ch
