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【1】7% did not

In a telephone survey of more than 2,000 adults. 21% said they believed the sun revolved (旋转) around the earth. An【1】7% did not

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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【1】7% did not know which revolved around【2】. I have no doubt that; 【3】all of these people were 【4】in school that the earth revolves a-round the sun;【5】may even have written it【6】a test. But they never【7】their incorrect mental models of planetary (行星的) 【8】because their every day observations didn’t support【9】their teachers told thern: People see the sun moving【10】the sky as morning turns to night, and the earth seems stationary (静止的)【11】that is happening.
    Students can learn the right answers【12】heart in class, and yet never combined them【13】their working models of the world. The objectively correct answer the professor accepts and the 【14】personal understanding of the world can【15】side by side, each unaffected by the other.
    Outside of class, the student continues to use the【16】models because it has always worked well【17】that circumstance. Unless professors address【18】errors in students’ personal models of the world, students are not【19】to replace them with the【20】one.
选项 A、excessive
B、extra
C、additional
D、added
答案C
解析 各项的意思是：excessive过多的，极端的。extra特大的；特级的。additional附加的，另外的。add增加，加总。根据题意可知，应选择C。
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