1.原材料引用（Materials）
?Twenty-two percent survived with good brain ability. Only ten percent 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.
2.信息和事實（Facts）
看著音標钮莲，然后聽錄音尔觉，然后跟讀艘儒，這樣會提高你對于音標的敏感程度统阿。
3.感受和評價（Commens）
練習(xí)是成功的唯一途徑
4.統(tǒng)計累計的練習(xí)小時數(shù)（Hours）
0.5h
