原材料引用（Material）:
This is The VOA special English Health Report. Cardio pulmonary resuscitation, or cpr, can save the life of someone whose heart has stopped. The condition is called cardiac arrest. The heart stops pumping brood, the person stops breathing. Without lifesaving measures, the brain stars to die within four to six minutes.
信息和事实（Facts）：
感受与评价（Comments）：
今天复习这周的学过的内容，感觉还不错。有两个单词读的不准:" pulmonary measures" 用语音输入了好几遍，都没有完全正确。
统计累计的练习小时数（Hours）：（这里单指整句练习时间。单个发音是随时随地练的，不方便计时。）
0.5h/4h
