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    【句子改错SC】-8458-OG15

    Manufacturers rate batteries in watt-hours; if they rate the watt-hour higher, the longer the battery can be expected to last.

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    600

    【句子改错SC】-8460-OG15

    Although a surge in retail sales have raised hopes that there is a recovery finally under way, many economists say that without a large amount of spending the recovery might not last.

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    【句子改错SC】-8461-OG15

    At the end of the 1930s, Duke Ellington was looking for a composer to assist him-someone not only who could arrange music for his successful big band, but mirroring his eccentric writing style as well in order to finish the many pieces he had started but never completed.

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    【句子改错SC】-8463-OG15

    Diabetes, together with its serious complications, ranks as the nation’s third leading cause of death, surpassed only by heart disease and cancer.

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    【句子改错SC】-8467-OG15

    The widely accepted big bang theory holds that the universe began in an explosive instant ten to twenty billion years ago and has been expanding ever since.

  • 918人已做

    600

    【句子改错SC】-8470-OG15

    There are several ways to build solid walls using just mud or clay, but the most extensively used method has been the forming of bricks out of mud or clay, and, after some preliminary air drying or sun drying, they are laid in the wall in mud mortar.

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    【句子改错SC】-8475-OG15

    A surge in new home sales and a drop in weekly unemployment claims suggest that the economy might not be as weak as some analysts previously thought.

  • 479人已做

    600

    【句子改错SC】-8476-PREP07

    Organized in 1966 by the Fish and Wildlife Service, the Breeding Bird Survey uses annual roadside counts along established routes for monitoring of population changes of as many as, or of more than 250 bird species, including 180 songbirds.

  • 798人已做

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    【句子改错SC】-8477-OG15

    Sunspots, vortices of gas associated with strong electromagnetic activity, are visible as dark spots on the surface of the Sun but have never been sighted on the Sun’s poles or equator.

  • 889人已做

    600

    【句子改错SC】-8478-OG15

    Warning that computers in the United States are not secure, the National Academy of Sciences has urged the nation to revamp computer security procedures, institute new emergency response teams, creating a special nongovernment organization to take charge of computer security planning.

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  • 【句子改错SC】-8751

    Over 75 percent of the energy produced in France derives from nuclear power, while in Germany it is just ...

    611人做过-3条评论-37.6%正确率

  • 【逻辑CR】-8780

    The amount of time it takes for most of a worker's occupational knowledge and skills to become obsolete ha...

    455人做过-1条评论-62.6%正确率

  • 【逻辑CR】-10333

    Which of the following most logically completes the argument below?According to promotional material published by the ci...

    279人做过-1条评论-57.3%正确率

  • 【数据充分DS】-12252

    The cost of each adult's ticket for a certain concert was $30, and the cost of each child's ticket for the concert was $24. If Hannah purchased tickets for this concert, what was the average (...

    155人做过-2条评论-61.9%正确率

  • 【句子改错SC】-8922

    In the past several years, astronomers have detected more than 80 massive planets, most of them as large or&nb...

    294人做过-1条评论-68%正确率

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