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【Material】原材料引用 This is the VOA Special English Health Report. Cardiopulmonary resuscit...
【Material】原材料引用 This is the VOA Special English Health Report. Cardiopulmonary resuscit...
【Material】原材料引用 The American Heart Association says about ninety-five percent of victim...
【Material】原材料引用 Doctor Ewy thinks the CPR guidelines should be changed again. He said t...
【Material】原材料引用 He says this would save lives. Studies show that many people do not wan...
【Material】原材料引用 It said people should increase the number of chest presses from fifteen...
【Material】原材料引用 1）.Twenty-two percent survived with good brain ability. 18）Only ten per...
【Material】原材料引用 The researchers say any kind of CPR improved chances of the patient's s...
【Material】原材料引用 Seven hundred and twelve received CPR. Four hundred and thirty-nine rec...
【Material】原材料引用 In all the cases, witnesses saw the event happen. More than one thousan...
【Material】原材料引用 Doctors in Tokyo led the research. It examined more than four thousand ...
学习内容：辅音/s/ /z/ 随手记： 🚩辅音并不是泾渭分明的 ①/s/和/z/并不是泾渭分明的 z的带声成分并不贯穿全过程，会听起来像s。比如please会听起来像/pli...
【Material】原材料引用 The study was published in the British medical magazine, The Lancet. Am...
【Material】原材料引用 However, a new Japanese study questions the usefulness of mouth-to-mout...
【Material】原材料引用 CPR keeps blood and oxygen flowing to the heart and brain. American: si...
