• 2022-05-31 问题

    The stems, leaves and pedicles of corn poppy (Papaver rhoeas) are coarser in texture than those of opium poppy (Papaver somniferum).

    The stems, leaves and pedicles of corn poppy (Papaver rhoeas) are coarser in texture than those of opium poppy (Papaver somniferum).

  • 2022-06-06 问题

    49 The end of winter is the most dangerous time for the animals in Yellowstone Park as food becomes even ______. A: coarser B: scarcer C: rarer D: harder

    49 The end of winter is the most dangerous time for the animals in Yellowstone Park as food becomes even ______. A: coarser B: scarcer C: rarer D: harder

  • 2022-05-27 问题

    Which of the following best describes the formation of “desert pavement”? A: alluvial fans are eroded to form inselbergs with flat, angular rocky surfaces B: runoff and deflation carry off the fine particles of silt and clay, leaving coarser particles behind C: groundwater in an alluvial fan evaporates, leaving behind a surface layer of hard-baked mud and boulders D: deflation removes the coarse fragments leaving behind a layer of fine sediment (loess and mud)

    Which of the following best describes the formation of “desert pavement”? A: alluvial fans are eroded to form inselbergs with flat, angular rocky surfaces B: runoff and deflation carry off the fine particles of silt and clay, leaving coarser particles behind C: groundwater in an alluvial fan evaporates, leaving behind a surface layer of hard-baked mud and boulders D: deflation removes the coarse fragments leaving behind a layer of fine sediment (loess and mud)

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