一原材料引用
Doctor Ewy thinks the CPR guidelines should be changed again
He said the Heart Assoication should remove the rescue breaths from the guidelines
He argues that more witnesses to cardiac arrests would provide treatment if rescue breaths are not a part of CPR
二学习与感悟
把大家的发音都听一遍，可以凑成有一个错题集，从而知道哪里容易出问题，来纠正自己的发音，通过其他人的发音判断舌位，来激发学习的自主能力，这很重要，而不能一味等别人来指导
三练习时长
1h
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