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    650

    【句子改错SC】-8459-OG16

    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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    650

    【句子改错SC】-8462-OG16

    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.

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    650

    【句子改错SC】-8464-OG16

    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.

  • 1073人已做

    650

    【句子改错SC】-8465-OG16

    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.

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    650

    【句子改错SC】-8466-OG16

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    650

    【句子改错SC】-8471-OG16

    Rising inventories, when unaccompanied correspondingly by increases in sales, can lead to production cutbacks that would hamper economic growth.

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    650

    【句子改错SC】-8472-PREP07

    To meet the rapidly rising market demand for fish and seafood, suppliers are growing fish twice as fast as their natural growth rate, cutting their feed allotment by nearly half and raising them on special diets.

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    650

    【句子改错SC】-8479-PREP07

    Less than 35 years after the release of African honeybees outside Sao Paulo, Brazil, their descendants, popularly known as killer bees, had migrated as far north as southern Texas.

  • 578人已做

    650

    【句子改错SC】-8481-PREP07

    Nikola Tesla, the inventor of alternating current, because he was excited with the prospects of harnessing Niagara Falls for producing electric power, he predicted in the mid-1890's that electricity generated at Niagara would one day power the streetcars of London and the streetlights of P...

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    650

    【句子改错SC】-8485-OG16

    Plants are more efficient at acquiring carbon than are fungi, in the form of carbon dioxide, and converting it to energy-rich sugars.

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  • 【逻辑CR】-10342

    A prominent investor who holds a large stake in the Burton Tool Company has recently claimed that the company&...

    320人做过-5条评论-47.2%正确率

  • 【问题求解PS】-9381

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    222人做过-2条评论-72.5%正确率

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    A certain law firm consists of 4 senior partners and 6 junior partners.  How many different groups of 3&n...

    82人做过-3条评论-67.1%正确率

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    745人做过-2条评论-66.7%正确率

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    1136人做过-2条评论-70.6%正确率

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