OH-58“基奥瓦”武装直升机头顶的“眼睛”实际上是:()
A、旋翼瞄准具
B、雷达
C、吊舱
D、航炮
参考答案:A
For a client with suspected increased intracranial pressure (ICP), a most appropriate respiratory goal is to
A. prevent respiratory alkalosis.B. lower arterial pH.C. promote carbon dioxide elimination.D. maintain partial pressure of arterial oxygen (PaO2) above 80 mmH
“钻石恒久远,一颗永流传”这句广告词被美国《广告时代》评为20世纪的经典广告之一,该广告词能体现钻石的[ ]
A. 硬度大
B. 不能导电
C. 化学性质稳定
D. 熔点低