唐朝时，掌权的宦官常以枢密使的名义削夺宰相的职权而干预朝政，甚至参与包括宰相在内的大臣的任命．后来发展到与宰相共参政事，“宰相掌文，枢密掌武”。这从本质上反映了（　　）

秦汉时期的许多科学技术成就领先世界。在下列科技成就中，有利于世界文化传播并深刻影响着人类文明进程的是？（    ）

阅读理解

    I have five children．I'm always busy when they're awake(醒着)．That's why I try to get up before everyone else．I get up at 5：00 am．The house is quiet．I drink a cup of coffee and read books．I love that time because it's mine and I can think without interruptions(打扰)．

    —Anna

    I'm a night person．I love the night．I feel sleepy all day and then at night I wake up(醒来)!I like to dance，watch movies or talk to friends at night.I never go to sleep before 2：00a.m.

    —James

    I'm a morning person．As soon as a little light comes through the window,I wake up and start my day．I try to do important work in the morning because I know that I think best at that time．After 1：00pm，I begin to slowdown!

    —Sandra

    I love tea time．I like to have tea in late afternoon．It's a time to stop the day's activities (活动)for an hour and talk with friends．Sometimes,people visit my home-then．Sometimes，I go to a friend's house for tea．

    —Bob

根据材料内容选择最佳答案。