Materials The researchers say any kind of CPR improved ch...[作者空间]
Materials Seven hundred and twelve received CPR. Four hun...[作者空间]
Materials In all the cases, witnesses saw the event happe...[作者空间]
Materials Doctors in Tokyoled the research. It examined m...[作者空间]
Materials The study was published in the British medical ...[作者空间]
Materials CPR combines breathing into the victim's mouth ...[作者空间]
Materials Without lifesaving measures, the brain starts t...[作者空间]
Materials The heart stops pumping blood. The person stops...[作者空间]
Materials The condition is called cardiac arrest.[ðə] [kə...[作者空间]
Materials Cardiopulmonary resuscitation, or CPR, can save...[作者空间]
Materials This is the VOA Special English Health Report.[...[作者空间]
练习材料 This is the VOA Special English Health Report.Cardio...[作者空间]
