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                    SAT官方每日一題附答案和解析[數學](2020年7月3日)

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                    Mathematics>Standard Multiple Choice

                    Read the following SAT test question and then click on a button to select your answer.

                    A consumer-monitoring service wants to determine television viewing habits among 18- to 29-year-olds in a particular city. Which of the following survey methods is most likely to produce valid results?

                    A.Select a random sample of 1000 18- to 29-year-olds in that city.
                    B.Select a random sample of 1000 18- to 29-year-olds in that city who attended a computer camp when they were in high school.
                    C.Select a random sample of 1000 18- to 29-year-olds in that city who played a varsity sport in high school.
                    D.Select a random sample of 1000 18- to 29-year-olds in that city who played chess in high school.

                    重點單詞   查看全部解釋    
                    survey [sə:'vei]

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                    v. 調查,檢查,測量,勘定,縱覽,環視
                    n.

                     
                    involve [in'vɔlv]

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                    vt. 包含,使陷入,使忙于,使卷入,牽涉

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                    population [.pɔpju'leiʃən]

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                    n. 人口 ,(全體)居民,人數

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                    representative [repri'zentətiv]

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                    adj. 代表性的,代議制的,典型的
                    n. 代

                     
                    produce [prə'dju:s]

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                    n. 產品,農作物
                    vt. 生產,提出,引起,

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                    unbiased ['ʌn'baiəst]

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                    adj. 公正的

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                    randomly ['rændəmli]

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                    adv. 任意地,隨便地,胡亂地

                     
                    sample ['sæmpl]

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                    n. 樣品,樣本
                    vt. 采樣,取樣

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                    determine [di'tə:min]

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                    v. 決定,決心,確定,測定

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                    multiple ['mʌltipl]

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                    adj. 許多,多種多樣的
                    n. 倍數,并聯

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