20．（4分）                                                                     

19．（6分）

答：感悟（1）                                                         

                                                                               。

感悟（2）                                                                        

                                                                               。

18． （5分）

17．（6分）答：                                                                  

                                                                                。

  六、本題包括3小題，共15分。

16．（6分）

（1）答：                                                             

                                                                                。

（2）答：                                                                    

                                                                                。

15．（6分）答：                                                                 

                                                                                。

14．（4分）答：                                                           

13．（6分）

（1）                             

（2）                                                             

（3）                                                             

（4）                             

  五、本題包括4小題，共22分。