According to the research, children are about twice as likely to suffer from the flu ________ adults．

1. A.
   as
2. B.
   so
3. C.
   such
4. D.
   than

河南省卫辉市第一中学2010—2011学年度高三2月月考

According to the research, children are about twice as likely to suffer from the flu _____ adults．

       A．as         B．so                 C．such        D．than