中央追逃办将开展“天网2016”行动，再次发布红色通缉令，持续发挥“惩治”的震慑力。对于国际追逃追赃工作，2016年则是不折不扣的“全面推进和攻坚克难年”，无论这个“硬骨头”有多难啃，也要把腐败分子遗网来绳之以法。这表明（   ）。

①彰显公平正义的法治工程得到不断推进

②公民有维护国家安全，荣誉和利益的义务

③国家治理体系和治理能力现代化已经实现

④公民在法律面前一律平等

    “Early to bed, early to rise, makes a man healthy, wealthy(财富) and wise (智慧).”

    This is an old English saying (谚语)．Did you hear of it? It means that we must go to bed early and ____ up early in the morning．Then we will keep ____．We'll also be rich and clever.

    This is true．The body must have ____ sleep to be healthy．Children of young age should have ten ____ sleep every day．Children who don't have enough sleep can't do their work very well．They won't be clever and they may not become rich!

    The body also needs ____．Walking, running, jumping, swimming and playing games are all exercise．Exercise the body strong(强壮).

    Exercise also helps the blood(血) to ____ around inside the body．This is very important．Our blood ____ food to all parts(部分) of our body．The head also needs blood． Exercise helps us to think____.

如图，AB是⊙O的直径，AC、BC是⊙O的弦，直径DE⊥AC于点P．若点D在优弧 上，AB=8，BC=3，则DP=____