日积月累。

1．默写《游子吟》

                               ，                                  。                                   ，

                               。                                  ，                                    。

2．填空。 

     榆树高，                                         ，梧桐树叶像                                ，石榴花开                          ，桂树开花                             ，桑树结果                                         。松树四季                           ，棕树

                                               ，橡树                                                 。

润滑油系统主油泵为轴泵头，由（）拖动。副油泵为齿轮油泵，（）。