【单选题】The existence of liquid water is a necessity for a life—support environment.
【单选题】Which alkaline earth metal will not react with liquid water or with steam __________?
E.
They all react with liquid water and with steam
【单选题】Water is a liquid which has no color _______ you wash your hands in it, then it turns black. [ ]
【单选题】岩浆岩的分类根据SiO 2 含量,可以分为①超基性岩、②基性岩、③中性岩、④酸性岩。玄武岩、花岗岩、橄榄岩分别属于______
【单选题】男,70岁。急性前壁心肌梗死7小时,就诊时突然心悸,无头晕。查体:BPI00/70mmHg,双肺呼吸音清,心率88次/分,律不齐。心电监测示:频发室性期前收缩。控制该患者心律失常最适宜的治疗措施是
【单选题】男,70岁,急性前壁心肌梗死7小时,就诊时突然心悸,无头晕,查体:BP:100/70mmHg,双肺呼吸音清,心率88次/分,律不齐,心电监测示频发室性期前收缩,经过一系列治疗后喘憋进行性加重,意识模糊,查体BP:70/40mmHg,心电监测提示室性心动过速,该患者最适宜的治疗措施是:( )。
【单选题】男,70岁。急性前壁心肌梗死7小时,就诊时突然心悸,无头晕。查体:BPI00/70mmHg,双肺呼吸音清,心率88次/分,律不齐。心电监测示:频发室性期前收缩。患者喘憋进行性加重,意识模糊。查体:BIY70/40mmHg,心电监测提示室性心动过速。该患者最适宜的治疗措施是
【单选题】2016 男,70岁。急性前壁心肌梗死7小时,就诊时突然心悸,无头晕。查体:BP100/70nunHg,双肺呼吸音清,心率88次/分,律不齐。心电监测示:频发室性期前收缩。控制该患者心律失常最适宜的治疗措施是