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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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