苍蝇老虎一起打，彰显了中央反腐的决心。从党的十八大到2015年3月，共有99名省部级高官(包括军队)因贪污、受贿等违纪违法行为被中央纪委和检察机关依法查处，涉嫌犯罪的被移送司法机关依法处理。这说明（     ）

①法律对全体社会成员具有普遍约束力               ②我们党坚持立党为公、执政为民

③这是贯彻依法治国基本方略的具体体现           ④只要对腐败分子依法查处，就能消除腐败

下列国家中，人均国民生产总值最高的是  （    ）   

    Hello! I' m John. I usually have a busy but happy weekend. I usually do my home- work first. Then I visit my grandparents on Saturday afternoon. They are very happy to see me. On Sundays I often play football with my friends. Sometimes I go swimming or go shopping. But I can't go out this weekend, because the weather report says it's going to rain. I can't play football in the rain. I can only play the piano at home. This is my weekend. What about you?

自行车的尾部安装一种塑料制成的反光镜，夜间骑车时，在车灯照射下，能把光线按原来方向返回。反光镜结构如下图所示，两平面镜相互垂直，当一条光线AB入射到其中一平面镜，   

（1）作出所有反射光线的光路图。

（2）证明经过两次反射后的反射光线会逆向射回。

慌忙—____   标致—____   辉煌—____   气派—____