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    680

    【句子改错SC】-8457-OG15

    In a review of 2,000 studies of human behavior that date back to the 1940s, two Swiss psychologists, declaring that since most of the studies had failed to control for such variables as social class and family size, none could be taken seriously.

  • 835人已做

    600

    【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.

  • 288人已做

    650

    【句子改错SC】-8459-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.

  • 790人已做

    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.

  • 950人已做

    600

    【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.

  • 887人已做

    650

    【句子改错SC】-8462-OG15

    Of all the vast tides of migration that have swept through history, maybe none is more concentrated as the wave that brought 12 million immigrants onto American shores in little more than three decades.

  • 871人已做

    600

    【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.

  • 882人已做

    650

    【句子改错SC】-8464-OG15

    The intricate structure of the compound insect eye, having hundreds of miniature eyes called ommatidia, help explain why scientists have assumed that it evolved independently of the vertebrate eye.

  • 811人已做

    650

    【句子改错SC】-8465-OG15

    In late 1997, the chambers inside the pyramid of the Pharaoh Menkaure at Giza were closed to visitors for cleaning and repair due to moisture exhaled by tourists, which raised its humidity to such levels so that salt from the stone was crystallizing and fungus was growing on the walls.

  • 878人已做

    650

    【句子改错SC】-8466-OG15

    In 1979 lack of rain reduced India’s rice production to about 41 million tons, nearly 25 percent less than those of the 1978 harvest.

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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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