默写《枫桥夜泊》

____ ，____ 。____ ，____ 。

修改病句

你必须一定要认真负责。____ 

Japan says its prime minister promised to provide the world with "maximum transparency" about ____ accident at the Fukushima nuclear power plant during _____ telephone call. 

在Rt△ABC中，∠C＝90°，若BC＝1，AB=$\sqrt{5}$，则tanA的值为

如图所示，作出入射线AO经平面镜反射后的反射线OB，并标出反射角的度数．