托福考试阅读练习题2

托福考试阅读练习题2,标签：托福机经,托福机经预测,http://www.xuehuiba.com

    (B) It is based on probability.

    (C) It can be used by people with little knowledge of mathematics.

    (D) It measures only qualitative differences.

    9. The word "unwieldy" in line 15 is closest in meaning to

    (A) unmanageable

    (B) unpredictable

    (C) understandable

    (D) unreliable

    10. According to the passage, what is the purpose of examining a sample of a population?

    (A) To compare different groups

    (B) To predict characteristics of the entire population

    (C) To detect differences not observable in the whole population

    (D) To compile more accurate data

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