2. 外语
  3. People do not analyze every problem they meet. Sometimes they try to remember a【B1】______from the last time they had a similar p

People do not analyze every problem they meet. Sometimes they try to remember a【B1】______from the last time they had a similar p

admin2012-04-09  73
问题     People do not analyze every problem they meet. Sometimes they try to remember a【B1】______from the last time they had a similar problem. They often accept the【B2】______or ideas of other people. Other times they begin to act without thinking; they try to find a solution by【B3】______and error. However, when all these【B4】______fail, the person with a problem has to start analyzing. There are six【B5】______in analyzing a problem.
    First, the person must recognize that there is a problem. For example, Sam’s bicycle is broken, and he cannot ride it to class as he usually does. Sam must see that there is a problem with his bicycle. Next, the thinker must【B6】______the problem. Before Sam can repair his bicycle, he must find the reason why it does not work. For instance, he must【B7】______if the problem is with the gears, the brakes, or the【B8】______. He must take his problem more specific.【B9】______. For instance, suppose Sam decided that his bike does not work because there is something wrong with the gear wheels.【B10】______. He can talk to his friends at the bike shop. He can look at his gears carefully.【B11】______. Take Sam as an illustration. His suggestions might be: put oil on the gear wheels; buy new gear wheels and replace the old ones; tighten or loosen the gear wheels.
【B3】
选项
答案trial
解析 空前的by和空后的and error提示，本空极可能填的是trial。by trial and error为固定短语，意为“反复试验，不断摸索”。
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