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.

信息和事实(Facts)

无

感受与评价(Comments)

半个小时练了三个句子，练到最后脸颊都累了。边练边回忆音标的发音原则，发现有些记忆已经有点模糊了

根据U型曲线理论，实验中发现人总是在在一件事的开始和结束比较重视，中间会懈怠。对于个人来讲，需要在中间点有意识的提醒自己，克服懈怠

统计累计的练习小时数(Hours)

0.5h