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国家航空航天局官员终于批准了他提出的关于失重对老年人的影响以及失重副作用与老化过程之间可能存在的联系的研究计划。
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Directions:You have bought a brand-new computer in a dealer’s office. But much to your disappointment, it could not be normally operated when you got it back. Write a letter to the manager,1) launching your complaints,2) specifying its troubles,3) and proposing solutions.Write your letter in no less than 100 words. Write it neatly on ANSWER SHEET 2.Do not sign your own name at the end of the letter, use Li Ming instead.Do not write the address. (10 points)
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