根据句意依次填入下面横线上的词语最恰当的一项是（    ）

①工匠们传承、坚守、钻研、创新，      技能的极致，打磨完美的作品。

②司马迁的伟大，在于他从未以成败论英雄，从未以简单的道德观念来      历史人物。

③清晨，漫步在桃花湖畔，阵阵      的鸟鸣声，我的心情更加愉快。

④书法是中国传统艺术形式，风格各异的书法将书法艺术真美表现的      。

下列对应关系正确的是（  ）

①冰冻三尺，非一日之寒——真理是具体的、有条件的

②野火烧不尽，春风吹又生——认识具有反复性和无限性

③纸上得来终觉浅，绝知此事要躬行——实践是认识的来源

④真理之川从他的错误之沟渠中通过——真理和谬误是相伴而行的

   People are often killed while c____  the road. Most of them are old people and c____ . Old people are often killed because they are careless. People should look and listen b____  they cross the road. A car, a truck or a bus can't stop very q____ if it is going very fast. It will travel many meters before it s____ . Pedestrian(行人)don't know this. They think that a car can stop right away. It is h____ for a pedestrian to know how fast a car is traveling. The only s____ way to cross the road is to look at b____ ways, right and left. The correct way to cross the road is t____  walk quickly when the traffic l____ turn green.