平均一分鐘一道，大家做做看。
    table 1

    amount of income in certain industries (in billions of dollars)

    industry   year 1 year 2 year 3 year 4 year 5

 

    agriculture   22 26 26 30 51

    communication   14 17 18 20 21

    construction   36 43 47 52 57

    finance and real estate  78 90 100 108 118

    manufacturing   213 218 226 253 287

    transportation   27 30 33 36 40

    1. which industry had the largest increase in the dollar amount of income from
    year 1 to year 2?
    a. agriculture
    b. construction
    c. finance and real estate
    d. manufacturing
    e. transportation

    2. which industry had the smallest increase in the dollar amount of income from
    year 1 to year 5?
    a. agriculture
    b. construction
    c. finance and real estate
    d. manufacturing
    e. transportation

    3. which industry experienced the largest percentage increase from year 3 to
    year 4?
    a. agriculture
    b. communication
    c. construction
    d. finance and real estate
    e. manufacturing

    4. which industry experienced the least percent change from year 1 to year 4?
    a. agriculture
    b. communication
    c. construction
    d. manufacturing
    e. transportation

    5. for which industry was there the least consistent increase in income over the
    period of time covered by the table?
    a. agriculture
    b. construction
    c. finance and real estate
    d. manufacturing
    e. transportation

    6. if the trend in the transportation industry were to continue, its income for
    year 6 would most likely be about
    a. 42 billion dollars
    b. 44 billion dollars
    c. 46 billion dollars
    d. 48 billion dollars
    e. 50 billion dollars

    7. in which of the following instances has the first type of industry named
    consistently had an income about half that of the second?
    a. agriculture; finance and real estate
    b. communication; agriculture
    c. construction; finance and real estate
    d. finance and real estate; manufacturing
    e. transportation; communication

    8. in how many instances did a type of industry make a gain of 10% or more over
    the previous year listed?
    a. 1 - 4
    b. 5 - 8
    c. 9 - 12
    d. 13 - 16
    e. 17 - 20

    9. the type of industry showing the steadiest rate of growth in income during
    this period was
    a. communication
    b. construction
    c. finance and real estate
    d. manufacturing
    e. transportation

    10. in which one of the following groups did all three types of industry increase
    their respective incomes by most nearly one-third from year 1 to year 3?
    a. agriculture; communication; transportation
    b. agriculture; communication; construction
    c. communication; construction; transportation
    d. construction; finance and real estate, transportation
    e. communication; construction; finance and real estate

    11. which one of these types of industry experienced the least percent change
    from year 1 to year 4?
    a. agriculture
    b. communication
    c. construction
    d. manufacturing
    e. transportation

    12. among the following, the greatest percentage increase in income occurred for
    a. agriculture between year 3 and year 4
    b. communication between year 2 and year 3
    c. construction between year 1 and year 2
    d. finance and real estate between year 4 and year 5
    e. manufacturing between year 3 and year 4

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