5．读“环渤海地区图”，回答：（6分）

（1）写出下列地理事物的名称

  ①           煤矿，                                                 

                                      ②           铁矿，                                                

                                      ③           油田，                                            

                                      ④           工业基地，其主要工业中心                                              

                                      有        、            。                                                

                                      ⑤城市         ，其主要工业部门是                                                       

                                      ⑥城市         ，其发展化学的有利条件是                                                           

                                      ⑦铁路          ⑧