Day 22

原材料引用（Material）:

22%  Survived with good brain ability. Only 10% of the victims treated with traditional cpr survived with good brain ability. The American heart association changed its guidelines for cpr chest presses in two thousand five.

信息和事实（Facts）：

感受与评价（Comments）：

  treated 、 traditional 连读的时候总是卡在这两个单词上。

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/10.5h