GRE數(shù)學(xué)例題:數(shù)據(jù)解釋題型(8)

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　　In 1970, if 5 percent of the water use was for domestic purposes, approximately what was the daily average number of gallons of water used per capita for domestic purposes?

　　A.105

　　B.50

　　C.20

　　D.10

　　E.5

　　答案：A

　　If in 1900 the water use in Country K was the same as that in Country X, but increased at the constant rate of 3 billion gallons every year, then the two countries would again have had the same water use in approximately what year?

　　A.1910

　　B.1920

　　C.1930

　　D.1940

　　E.1950

　　答案：E

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重點(diǎn)單詞		查看全部解釋
domestic	[də'mestik]	想一想再看 adj. 國內(nèi)的，家庭的，馴養(yǎng)的 n. 家仆，
approximately	[ə'prɔksimitli]	想一想再看 adv. 近似地，大約
constant	['kɔnstənt]	想一想再看 adj. 經(jīng)常的，不變的 n. 常數(shù)，恒量	聯(lián)想記憶 X 單詞constant 聯(lián)想記憶： con全部，stant站－我們?cè)谕纯嗟能娪?xùn)過程中站軍姿的時(shí)候－不變的