根据短文内容，用方框中所给单词的正确形式填空，使短文通顺，完整，每词限用一次。

  Nowadays, there are many robots working in factories. They can help to build cars, and____  doing simple jobs over and over again. Fewer people will do such jobs in the future because they are boring, but robots will never get ____ . Some robots in Japan can walk and dance. There will be a lot____ robots in future. Some scientists believe that we can make robots move like a human and also it will be possible to make____  really think and talk like a human.. However, it may take ____  of years. The robots in the future will have many different shapes, such as humans, plants, animals and so on. Do you think you will have your own robot in the future

国家统计局西安调查队对西安300名青少年进行调查。数据显示，61%的学生认为自己容易冲动发火；情绪不好时，25.6%的学生表现为委屈哭泣等行为，59.3%的学生呈现出不哭、不闹、不说话的乖模样，将不良情绪隐藏在心里。我们（     ）

①应积极地调适情绪，保持乐观心态

②可在烦恼时向朋友进行倾诉

③可用打砸物品的方式来发泄自己的烦恼

④在痛苦时，可以在合适的场合哭一场

—            ?                                          
—Quite well, thanks.

下图中人物的主要贡献是（  ）

已知抛物线y²=6x的焦点为F，准线为l，点P为抛物线上一点，且在第一象限，PA⊥l，垂足为A，|PF|=2，则直线AF的倾斜角为（　　）