Dr. Ewy thinks the CPR guidelines should be changed again
He said the heart association should removed rescue breaths from the guidelines.
He argues that more witnesses to Cardiac arrest would provide treatment, rescue breaths are not a part of CPR.
感想当音标重复次数多了会产生厌烦，那就要从用料上走，用调子带动节奏再反过来去关注音标。简单说是从音标到语调，再到单词再到句子。
