[单选题] ______ is the most widespread type likely to be encountered at sea and is caused by relatively warm air being cooled by flowing over a cooler sea surface. A.FRONTAL FOG B.MIXING FOG C.ADVECTION FOG D.RADIATION FOG
第32题: [单项选择]关于肺动脉压力评价,下列提法正确的是() A. 收缩期压力最能真实反映肺动脉压力情况 B. 收缩期瞬间峰值压力最能真实反映肺动脉压力情况 C. 舒张末期压力最能真实反映肺动脉压力情况 D. 平均肺动脉压最能真实反映肺动脉压力情况 E. 舒张期瞬间压力最能真实反映肺动脉压力情况 参考答案:D 答案解析:平均肺动脉压最能代表肺动脉压力的真实情况