选择合适的词语填入括号内

　　伸　深

①弟弟____着舌头，做了怪脸跑了。

②张老师常常备课到____夜。

    Liu Wei is very famous in China because he can play the piano with his toes(脚趾).

    One day when Liu Wei was only 10 years old, he played a game with some friends. He lost both his arms because of electricity.

    Liu Wei was very sad when both his arms were cut off after the accident. But soon he had to make a choice.

    "For people like me, there were only two choices. One was to give up all the dreams, which would cause a quick death. The other was to work hard without arms to live an excellent life, " says Liu Wei.

    Liu Wei's dream was to be a pianist. He learned to play the piano with his toes. And teaching himself to play the piano with his toes was very hard. Many times he wanted to give up, but his parents went on encouraging him and he wanted to make his parents proud.

    Maybe you cannot believe that Liu Wei is able to play well only with his toes. The audience(观众) were deeply moved and very excited when they watched his performance.

阅读下面两则材料，回答问题。

材料一：老子曰：“我有三宝，持而保之：一曰慈，二曰俭，三曰不敢为天下先。慈故能勇，俭故能广，不敢为天下先，故能成器长。”老子秉承“不敢为天下先“等道家思想，不仅对我国古代思想文化的发展作出了重要贡献，而且对我国2000多年来的思想文化的发展，产生了深远的影响。

材料二：孙中山先生提出“敢为天下先”的口号并以此投身于推翻腐朽的清王朝的事业，这一口号激发了无数爱国志士为国家民族而前赴后继，1911年在清王朝的灰飞烟灭中，中华民国诞生了。

问题：老子“不敢为天下先”取得了卓越的成就，孙中山“敢为天下先”赢得了中华民国的“国父”之称。你如何看待“不敢为天下先”与“敢为天下先”呢？联系社会实际，谈谈你的看法。字数100左右。

《国务院法律援助条例》实施以来，一些有理没钱、打不起官司的弱势群体得到了当地政府的无偿法律援助。法律援助较好地维护了司法公正，为弱势群体撑起了一片蔚蓝的天。法律援助的实施体现了（     ）