在平面直角坐标系中,将点P(5,3)向左平移6个单位,再向下平移1个单位,恰好在函数的图象上,则此函数的图象位于第( )象限。
二、四
长期卧床对呼吸系统的影响包括()
A.卧床数周后,呼吸肌肌力下降,肺的顺应性下降,肺活量明显下降
B.膈肌的运动部分受阻,使呼吸运动减小
C.卧床使气管纤毛的功能下降,分泌物排出困难,容易出现肺部感染
D.卧床使下肢深静脉血栓的发生率增高,可发生肺栓塞
E.侧卧位时下侧肺通气不良而血流灌注过度,造成动静脉短路,导致通气/血流比值的失调
Which of the following statements is least accurate()
A. Futures contracts are easier to offset than forward contracts.
B. Forward contracts are generally more liquid than futures contracts.
C. Forward contracts are easier to tailor to specific needs than futures contracts.