34．（7分）

（1）                                                                          

（2）                                           

（3）①            ②           ③                                            

33．（8分）

（1）                                                                         

（2）                                                                        

（3）                                                            

（4）                                                                         

32．（8分）

（1）                                    

（2）                                                      

（3）                              

（4）                                                                   

31．（11分）

（1）                         

（2）                                                    

（3）                                                                           

（4）                                                                            

（5）