68岁的男性良性前列腺肥大患者,近日体检发现血压偏高(150/100mmHg),以下哪种药对其两种疾病都有效()
A. 可乐定
B. 普萘洛尔
C. 肼屈嗪
D. 特拉唑嗪
E. 硝苯地平
The amount of fuel delivered for each cycle must be in accordance with the engine load, and the same quantity of fuel must be delivered to each cylinder for each power stroke at that load.Which of the following statements describes this requirement?()
A. Proper timing
B. Accurate metering
C. Suitable injection rate
D. Suitable atomization rate
以下哪些是DNS服务器()
A. Proxyserver
B. Forwarderserver
C. Slaveserver
D. Cacheonlyserver
意识丧失病人护理要求()。
A. 必须保持呼吸道通畅
B. 必须保持无意识状态体位
C. 护理人员不要擅自离开病人
D. 以上都是