2017考研英语阅读理解冲刺模拟试题及答案(12)
出国留学考研网为大家提供2017考研英语阅读理解冲刺模拟试题及答案(12),更多考研资讯请关注我们网站的更新! 2017考研英语阅读理解冲刺模拟试题及答案(12) Shortages of flu vaccine are nothing new in America, but this year's is a whopper. Until last week, it appeared that 100 million Americans would have access to flu shots this fall. Then British authorities, concerned about quality-control problems at a production plant in Liverpool, barred all further shipments by the Chiron Corp. Overnight, the U.S. vaccine supply dwindled by nearly half——and federal health officials found themselves making an unusual plea. Inste... [ 查看全文 ]2017考研英语阅读理解冲刺模拟试题及答案(12)的相关文章