把下列成语补充完整，并按要求归类。

1.(   )首挺(   )      (   )涛(   )浪      郁郁(   )(   )      对答(   )(   )   

  (   )(   )动听      前仰(   )(   )      (   )(   )而谈      迫不(   )(   ) 

  (   )(   )而逃      (   )喜若(   )      (   )山(   )岭      大(   )(   )望

2.

描写动作的：                                                                                                                     

描写心情的：                                                                                                                    

描写语言的：                                                                                                                     

描写景物的：                                                                                                                    

赤潮形成过程和发生的原因？