2. 外语
  3. When you want to call a store or an office that you don’t call often, you look the number up in the telephone book. You dial the

When you want to call a store or an office that you don’t call often, you look the number up in the telephone book. You dial the

admin2009-07-28  36
问题    When you want to call a store or an office that you don’t call often, you look the number up in the telephone book. You dial the number, and then you forget it! You use short-term memory to remember the number. Your short-term memory lasts about 30 seconds. However, you don’t need to look it up in the telephone book if it is your best friend’s number. This information is in your long-term memory. Your long-term memory has everything that you remember through the years.
   When you call a store or an office that don’t call often, you  (46)  the number in the  (47)  . You dial the number, and then you forget it! According to the passage you forget the telephone number that you don’t call often because you use your  (48)  to remember it. A person’s ort-term memory lasts about  (49)  . However you needn’t look up your best friend’s number because it is in your  (50)  .

选项
答案30 seconds
解析 从原文第四句可以得出答案。
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本试题收录于： 大学英语三级B级题库大学英语三级分类
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大学英语三级

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