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  • 722人已做

    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.

  • 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.

  • 545人已做

    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.

  • 491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...

  • 591人已做

    600

    【句子改错SC】-8483-PREP07

    The airline company, following through on recent warnings that it might start reducing service, announced that it was eliminating jet service to nine cities, closing some unneeded operations, and it grounded twenty-two planes.

  • 638人已做

    650

    【句子改错SC】-8486-PREP07

    The list of animals that exhibits a preference of either using the right or the left hand (i.e., claw, paw, or foot) has been expanded to include the lower vertebrates.

  • 636人已做

    650

    【句子改错SC】-8488-PREP07

    Obtaining an investment-grade rating will keep the county's future borrowing costs low, protect its already-tattered image, and increase its ability to buy bond insurance.

  • 973人已做

    700

    【句子改错SC】-8501-PREP07

    The Achaemenid empire of Persia reached the Indus Valley in the fifth century B.C., bringing the Aramaic script with it, from which was derived both northern and southern Indian alphabets.

  • 811人已做

    730

    【句子改错SC】-8502-PREP07

    Based on records from ancient Athens, each year young Athenian women collaborated to weave a new woolen robe that they used to dress a statue of the goddess Athena and that this robe depicted scenes of a battle between Zeus, Athena's father, and giants.

  • 602人已做

    600

    【句子改错SC】-8503-PREP07

    Ancient hunter-gatherers developed instincts that stigmatized selfishness, and voluntary cooperation was encouraged as well, whether it be within the group or also with outsiders.

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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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