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  3. The state with the greatest fraction of its population in urban areas, if the urban areas are considered to include the suburbs,

The state with the greatest fraction of its population in urban areas, if the urban areas are considered to include the suburbs,

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问题 The state with the greatest fraction of its population in urban areas, if the urban areas are considered to include the suburbs, is California. The West is highly urbanized, but California is exceptional even in that region: 91 percent of its population lives in urban areas. Geographically, however, California is rural: 96 percent of its land is outside urban areas. If all of the statements above are true, which of the following must also be true?
选项 A、No state has a smaller fraction of its population in rural areas than California has.
B、The current rate of population growth in California’s urban areas exceeds the current rate of population growth in California’s rural areas.
C、In California 96 percent of the population lives on 9 percent of the land.
D、No state has a smaller area devoted to urban settlement than California has.
E、California’s population density is among the highest of all states in the United States.
答案A
解析 本题为标准的归纳题型，一般而言，段落推理中用到only、most、last、first或最高级时，应成为我们的读题重点。这道题的读题重点为一句话“The state with the greatest fraction of its population in ur—ban area…．，is California，”并且由对比推理可知(A)的正确性，因为讨论加州的人口，提及的是urbanpopulation，由对比推理可想到rural population，且(A)正好符合题意；(B)中的“population growth”为新概念，必然不对；若把(C)换为91％的人住在4％的土地上，就是正确答案；(D)中的“area”绝对推不出来，因为段落探讨的是人口密度，而非“area”；(E)中的“California’s population density”怎么样，我们也不能从上面推理中得到，因为段落探讨的仅仅是都市与农村的人口比例，所以得不出：“California’s populationdensity”，因此(E)不对。
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