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随时随地学习
随时随地学习
Brav Voluntrs Brav Voluntrs
No on can forgt th disas "SARS". It was first found in Guangdong provinc in lat 2002. Th disas bgan to sprad to th othr part of China in th spring of 2003. It killd hundrds
of popl and affctd mor than 8,000.
Chins scintists hav bgun tsting a SARS vaccin on Bijing voluntrs. Thos voluntrs ar vry young but thir bravry is highly apprciatd. I hop th nw mdicin will soon appar.
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