①立足每个局部，实现整体最优目标    
②立足“三农”全局，选择最佳方案

③把握间接联系，抓住联系中间环节    
④综合考虑各个因素，坚持优化组合

如果你在卧室里睡觉时，家人仍在客厅看电视，电视的声音打扰了你的休息，请你提出两种减小噪声干扰的具体方法．

（1） ____

（2） ____　

—Many students don't know how to____ stress and become worried.

—I think they should ask their parents for help.