（A）
My color television has given me nothing but a headache. I was able to buy it a little over a year ago because I had my relatives give me money for my birthday instead of clothes that wouldn’t fit. I let a salesclerk fool me into buying a discontinued model. I realized this a day later, when I saw newspaper advertisements for the set at seventy-five dollars less than I had paid. The set worked so beautiful when I first got it home that I would keep it on until stations signed off for the night. Fortunately, I didn’t get any channels showing all-night movies or I would never have gotten to bed.
Then I started developing a problem with the set that involved static(静电) noise. For some reason, when certain shows switched into a commercial, a loud noise would sound for a few seconds. Gradually, this noise began to appear during a show, and to get rid of it, I had to change to another channel and then change it back. Sometimes this technique would not work, and I had to pick up the set and shake it to remove the sound. I actually began to build up my arm muscles(肌肉) shaking my set.
When neither of these methods removed the static noise, I would sit helplessly and wait for the noise to go away. At last I ended up hitting the set with my first, and it stopped working altogether. My trip to the repair shop cost me $62, and the sit is working well now, but I keep expecting more trouble.
21. Why did the author say he was fooled into buying the TV set?
22. Which of the following an best replace the phrase “signed off” in paragraph 1?
23. How did the author finally get this TV set working again?
24. How does the author sound when telling the story?
be fooled into doing sth.表示“被愚弄去做某事”；less than，表示“比···少，少于”。因为我看到报纸上的价格比我买的时候的价格低，少于我感觉自己被骗了。选C。
细节理解题。根据第一段的“I realized this a day later, when I saw newspaper advertisements for the set at seventy-five dollars less than I had paid”可知，当我看到报纸上的75美元比我买的低的时候，我感觉我上当了。答案为C。
细节理解错误。
A，所有的节目都播完了；B，只有几个频道；C，改到商业频道；D，播放一整晚的电影。sign off表示“停止广播”。选A。
词义推测题。根据下文的“Fortunately, I didn’t get any channels showing all-night movies or I would never have gotten to bed”，幸运的是，我不用整晚上看电影了，否则我不能睡觉了，故选A。
没有联系上下文进行推理。
电视坏了，作者把去拿去修了，修好之后，电视又可以看了。因此选D。
细节理解题。根据文章最后一段的“My trip to the repair shop cost me $62, and the sit is working well now”，可知作者修电视机花了62美元，故选D。
对文章细节理解错误。
curious，好奇的；anxious，紧张的；cautious，谨慎的；humorous，幽默的。根据选项意思，首先排除AB；再根据作者晃动电视来锻炼肌肉的行为可知，作者语调幽默，因此选D。
推理判断题。根据第一段的“I didn’t get any channels showing all-night movies or I would never have gotten to bed”没有电视节目就可以睡觉和第二段的“I had to pick up the set and shake it to remove the sound. I actually began to build up my arm muscles(肌肉) shaking my set”晃动电视来锻炼肌肉，可知作者语调幽默。故选D。
没有联系上下文语境进行推理。