21．National Day holiday is           time for leisure. But making good use of         time is not easy for most Chinese.

       A．a; a                 B．a; the                 C．the ; 不填                 D．the; a

22．A survey was carried out on the death rate of newborn babies in that area,           were surprising.

       A．as results                                  B．which results

       C．the results of it                  D．the results of which

23．--I’d like to learn more about the Doha Asian Games.

   --Better try                 the CCTV website, and you are likely         the information in no time.

       A．to visit; to get                          B．to visit; getting

       C．visiting; to get                          D．visiting; getting

24．We can no longer           to consider water an almost free resource that we can use as much as we like.

       A．permit                 B．afford                 C．expect                 D．offer