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  • 972人已做

    600

    【逻辑CR】-8770-OG16

    Snowmaking machines work by spraying a mist that freezes immediately on contact with cold air. Because the sudden freezing kills bacteria, QuickFreeze is planning to market a wastewater purification system that works on the same principle. The process works only when temperatures are cold,...

  • 955人已做

    700

    【逻辑CR】-8772-OG16

    Homeowners aged 40 to 50 are more likely to purchase ice cream and are more likely to purchase it in larger amounts than are members of any other demographic group. The popular belief that teenagers eat more ice cream than adults must, therefore, be false. The argument is flawed primari...

  • 742人已做

    650

    【逻辑CR】-8773-OG16

    Suncorp, a new corporation with limited funds, has been clearing large sections of the tropical Amazon forest for cattle ranching. This practice continues even though greater profits can be made from rubber tapping, which does not destroy the forest, than from cattle ranching, which does d...

  • 763人已做

    680

    【逻辑CR】-8776-OG16

    According to a prediction of the not-so-distant future published in 1940, electricity would revolutionize agriculture. Electrodes would be inserted into the soil, and the current between them would kill bugs and weeds and make crop plants stronger. Which of the following, if true, most ...

  • 746人已做

    600

    【逻辑CR】-8777-OG16

    A company is considering changing its policy concerning daily working hours. Currently, this company requires all employees to arrive at work at 8 a.m. The proposed policy would permit each employee to decide when to arrive—from as early as 6 a.m. to as late as 11 a.m.The adoption of thi...

  • 696人已做

    650

    【逻辑CR】-8778-OG16

    Parland's alligator population has been declining in recent years, primarily because of hunting. Alligators prey heavily on a species of freshwater fish that is highly valued as food by Parlanders, who had hoped that the decline in the alligator population would lead to an increase in the ...

  • 716人已做

    650

    【逻辑CR】-8780-OG16

    The amount of time it takes for most of a worker's occupational knowledge and skills to become obsolete has been declining because of the introduction of advanced manufacturing technology (AMT). Given the rate at which AMTis currently being introduced in manufacturing, the average worker's...

  • 737人已做

    600

    【逻辑CR】-8781-OG16

    In virtually any industry, technological improvements increase labor productivity, which is the output of goods and services per person-hour worked. In Parland's industries, labor productivity is significantly higher than it is in Vergia's industries. Clearly, therefore, Parland's industri...

  • 667人已做

    600

    【逻辑CR】-8782-OG16

    While many people think of genetic manipulation of food crops as being aimed at developing larger and larger plant varieties, some plant breeders have in fact concentrated on discovering or producing dwarf varieties, which are roughly half as tall as normal varieties.Which of the following...

  • 704人已做

    600

    【逻辑CR】-8784-OG16

    Traverton's city council wants to minimize the city's average yearly expenditures on its traffic signal lights and so is considering replacing the incandescent bulbs currently in use with arrays of light-emitting diodes (LEDs) as the incandescent bulbs burn out. Compared to incandescent bu...

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  • 【句子改错SC】-8729

    The United States government employs a much larger proportion of women in trade negotiations than any government. &nb...

    1020人做过-1条评论-78.9%正确率

  • 【逻辑CR】-15275

    To improve the long-term savings rate of the citizens of Levaska, the country's legislature decided to implement a plan that allows investors to save up to $1,000 per year in specialaccounts witho...

    31人做过-1条评论-61.3%正确率

  • 【数据充分DS】-11639

    Six countries in a certain region sent a total of 75 representatives to an international congress, and no two&...

    182人做过-1条评论-63.2%正确率

  • 【句子改错SC】-8501

    The Achaemenid empire of Persia reached the Indus Valley in the fifth century B.C., bringing the Aramaic script&nbs...

    1461人做过-9条评论-44.1%正确率

  • 【句子改错SC】-10389

    Possible long-term consequences of the “greenhouse effect,” the gradual warming of the Earth’s climate, may include&nbs...

    431人做过-3条评论-44.8%正确率

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