（2014·台州）科学家利用碱性膜、镍和二氧化锰电极制成尿素燃料电池，只要吸入尿液，就能获得电能，并产生水、氮气和二氧化碳。一个成年人每星期所排出的尿液转化的电能，足以供一辆电动自行车行驶60千米。
He'd like to get some suggestions on how to learn ____ (wise) and well.
（2015•四川达州）—Excuse me， could you please tell me the way to the ？ I have had too much water.—Go along the street and you will find one.
