原材料引用（Material）：
This is the VOA special English Health Report.
Cardiopulmonary resuscitation, or CPR, can save the life of someone whose heart has stopped. The condition is called cardiac arrest. The heart stops pumping blood. The person stops breathing. Without lifesaving measures, the brain starts to die within four to six minutes.
CPR combines breathing into the victim's mouth and repeated presses on the chest. CPR keeps blood and oxygen flowing to the heart and brain.However, a new Japanese study questions the usefulness of mouth to mouth breathing.The study was published in the British Medical Magazine, The Lancet.
信息和事实（Facts）：
1.前元音
[i:] [I] [e] [æ]
2.中元音
[ə] [ʌ]
3.后元音
[ʊ] [ɑ:]
4.开合双元音
[eɪ] [aɪ] [aʊ] [əʊ]
5.爆破音清辅音
[p] [t] [k]
6.爆破音浊辅音
[b] [d]
7.摩擦音清辅音
[f] [s] [ʃ] [θ]
8.摩擦音浊辅音
[v] [z] [ʒ] [ð] [r]
9.破擦音清辅音
[ʧ]
10.破擦音浊辅音
[ʤ]
11.鼻音
[m] [n] [ŋ]
感受与评价（Comments）：
今天把以往学习过的31个音标分类整理了一下，挨个回顾了一下发音规则，发现大部分的舌头位置、嘴形已经走形的严重了，必须经常回顾一下才是。索性将降发音规则的课件摘出来，整理了一个ppt，以后慢慢将48个音标补齐，这样就不用单独去翻课件了。另外发现的一个好处是把音标分类整理好之后对于掌握发音要领还是很有帮助的，因为同一类里的音标发音有很多相似之处。
统计累计的练习小时数（Hours）：
0.5h/10h
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