拿破仑一生，亲自指挥过六十多次战役，奥斯特里茨战役是其中的一次。以下对此战役的叙述正确的是（     ）
①此战拿破仑将他的军事才能发挥到极致 ②此战一举摧垮第三次反法同盟
③此战又称“三皇会战” ④此战后拿破仑称帝

2016年10月17日，法庭以受贿罪、巨额财产来源不明罪判处国家能源局煤炭司副司长魏鹏远死刑，缓期两年执行，剥夺政治权利终身，并处没收个人全部财产。上述材料体现了（    ）

①法律靠国家强制力保证实施  ②任何人都不能凌驾于法律之上  ③法律对全体社会成员具有普遍约束力  ④我国法律是惩治违法犯罪的有力武器

已知x，y满足约束条件$\{\begin{array}{c}y\le 0\\ x+y+5\ge 0\\ x-y\le 0\end{array}$则$z=2x+4y$的最小值是(     )

    This is Kate Smith. She is 13 years old. She lives in Guangzhou. She studies in No.10 Middle school. Her parents work there. They are both English teachers. They are form the UK. She likes eating junk food. She doesn't like playing sports. She has one healthy habit: She sleeps for 9 hours every night.
    Kate Smith has a brother. His name is Jack Smith. He is 11 years old. He doesn't eat junk food. He likes playing sports. He often runs, plays basketball, and goes swimming. He eats fruit every day. He likes eating vegetables. But he has an unhealthy habit: He sleeps for 6 hours every night.