题目内容
People faint (晕) when the normal blood supply to the brain is suddenly cut down. This can happen if they are surprised or shocked by sudden news or by something they see. Some people faint if they see others hurt. Some people faint in crowds. Others faint if they are in a room that is hot and with all the windows closed. If a person faints while standing, lay him down. If his face is pale, lift his feet. If he is sitting down when he faints, place his head between his knees. Loosen any tight clothing that might keep him from breathing easily. If possible, place cold, wet cloth on his forehead. We try to help a person who has fainted by______.
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辩护：是犯罪嫌疑人、被告人及其辩护人针对公诉人、自诉人的指控，证明自己一方无罪或罪轻，要求免除或减轻刑事处罚的诉讼行为。根据上述定义，下列哪种情况属于辩护
A. evaporation B. water cycle C. Complicated process D. ever-going-on process E. rainfall F. ground water G. vapor H. transpiration I. high land J. formation of clouds K. formation of rain L. cold air M. drops of rain N. absorbed by soil O. porous rock layer P. non-porous rock layer Q. accumulation of water R. process of water cycle 不渗水岩层( ) 冷空气( )
新一期《科学》杂志说，康奈尔大学的科学家把一部微型马达与一个金属螺旋桨组装在一起，使螺旋桨能够以8转/秒的速度旋转。该大学生物工程教授蒙泰马尼奥说：“这是一台真正的纳米机器，”这台马达是从给细胞提供能量的分子中获得能量的，所以他认为科学家终将能够制造出比细菌还小的机器人。它们将能够修复细胞损伤，制造药物并且攻击癌细胞。他说：“这为制造在细胞中运转的机器打开了大门。这将使我们把设计好的装置与生命系统融合起来”。划线的句子中“这”指代的对象是( )。
A. evaporation B. water cycle C. Complicated process D. ever-going-on process E. rainfall F. ground water G. vapor H. transpiration I. high land J. formation of clouds K. formation of rain L. cold air M. drops of rain N. absorbed by soil O. porous rock layer P. non-porous rock layer Q. accumulation of water R. process of water cycle 水循环过程( ) 降 雨( )
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