（    ）15．This book is _______that one．

    A．three times as thick as                              B．as three times thick as

    C．three times as thicker as                              D．thick as three times as

A

（    ）14．As a teacher, Tan Qianqiu _______a god example______ us．

    A．set，for                                                  B．set，to

    C．made，to                                                  D．made，for

（    ）13．All the information except these two pieces ________writing the report．

    A．have been used to                                    B．have been used for

    C．has been used to                                         D．has been used for

（    ）12．Yang Wei is famous ______a champion at the 2008 0lympics and his hometown is also famous ________him．

    A．as，for                B．for，as                C．as，as                    D．for，for