2. 外语
  3. In a telephone survey of more than 2,000 adults, 21% said they believed the sun revolved (旋转)around the earth. An【C1】______ 7% d

In a telephone survey of more than 2,000 adults, 21% said they believed the sun revolved (旋转)around the earth. An【C1】______ 7% d

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问题      In a telephone survey of more than 2,000 adults, 21% said they believed the sun revolved (旋转)around the earth. An【C1】______ 7% did not know which revolved around【C2】______ .I have no doubt that【C3】______ all of these people were taught in school that the earth revolves around the sun;【C4】______ may even have written it【C5】______ a test. But they never【C6】______ their incorrect mental models of planetry (行星的)【C7】______ because their everyday observations didn’t support【C8】______ their teachers told them: People see the sun "moving"【C9】______ the sky as morning turns【C10】______ night, and the earth seems stationary (静止的)【C11】______ that is happening.
      Students can learn the right answers【C12】______ heart in class, and yet never combined them 【C13】______ their working models of the world. The objectively correct answer the professor gives and the【C14】______ personal understanding of the world can【C15】______ side by side, each unaffected by【C16】______ .
     Outside of class, the student continues to use the【C17】______ model because it has always worked well 【C18】______ that circumstance. Unless professors address【C19】______ errors in students’ personal models of the world, students are not【C20】______ to replace them with the correct one.
【C11】
选项 A、since
B、so
C、while
D、for
答案C
解析 根据下文的that is happening 可推理出上文应选择一个表示动作持续一段时间的词，所以C为正确答案。
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