Materials：
9. The study was published in the British medical magazine, The Lancet. Doctors in Tokyo led the research.
10. It examined more than four thousand people who had suffered cardiac arrest.
11. In all the cases, witnesses saw the event happen.
12. More than one thousand of the victims received some kind of medical assistance from witnesses.
Facts：
经过几天的练习，自己的发音更连贯，语气更流畅，也许这就是持续刻意练习的结果吧。但仍然有些音没有发到位，比如/n/，我对鼻音还不能收放自如。
Comments:
进入到中下场，每天练习发音已经成为固定习惯。之前的发音顽疾不能一下子得到解决，但通过每天的纠错和更正，总有一天你可以克服缺点，将正确的发音脱口而出，走向光明的人生。
盲点：
连读、语音语调部分仍然不是很自然，需要更多小时数的练习。
