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.
【C1】

选项 A、what
B、which
C、that
D、other

答案B

解析 本题要求一个代词作介词的宾语。首先可排除D项other(其他的),当它单独出现时,只能作定语,因此从语法上看它不合适。从句意分析,本句的意思是:“另有7%的人不知道哪一个绕哪一个转”,因此,B项which是正确答案,它和句中的另一个which都指限定范围内的哪一个,句中的限定范围就是太阳和月亮。A项what作疑问代词表示“什么”,没有明确的限定范围,因此不合适。而C项that是指示代词,指代前面提及的名词,但本句并不明确它指哪个名词,所以也不正确。
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