2. 外语
  3. In a telephone survey of more than 2 000 adults, 21 % said they believed the sun revolved around the earth. An additional 7 % di

In a telephone survey of more than 2 000 adults, 21 % said they believed the sun revolved around the earth. An additional 7 % di

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问题     In a telephone survey of more than 2 000 adults, 21 % said they believed the sun revolved around the earth. An additional 7 % did not know which revolved around【C1】______. I have no doubt that【C2】______all of these people were taught in school that the earth revolved around the sun; they may even have written it【C3】______a test. But they never【C4】______their incorrect mental models of planetary(行星的)motion because their every day observation didn’t support【C5】______their teachers told them: People see the sun "moving" across the sky as morning turns to night, and the earth seems stationary(静止的) 【C6】______that is happening.
    Students can learn the right answers【C7】______heart in class, and yet never combined them with their working models of the world. The objectively correct answer the professor accepts and the【C8】______personal understanding of the world can exist side by side, each unaffected by the other.
    Outside of class, the student continues to use the【C9】______model because it has always worked well in that circumstance. Unless professors address specific errors in students’ personal models of the world, students are not【C10】______to replace them with the correct one.
【C6】
选项 A、since
B、so
C、while
D、for
答案C
解析 本题测试正确使用连词的能力。从上下文判断，空白处需要一个引导时间状语从句的连词。四个选项中，B项so表示结果，D项for(因为)表示原因，用在句中显然与上下文意思不合。A项since(自从)引导的从句不能用现在进行时，而要用一般过去时，因此，也不合适。只有C项while(当……时候)符合上下文的意思。
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