下列属于人民代表大会制度的基本内容的有
①国家的一切权力属于人民
②人民在普选的基础上选举人大代表组成国家权力执行机关
③实行议政合一的组织和活动原则
④由国家权力机关产生其他国家机关

阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项。
A
Live Music—-Late Night Jazz
    Enjoy real American jazz from Herbie Davis, the famous trumpet(号手). He is known to play well into the early hours, so don't want to get much sleep.

PLACE: The Jazz Club     DATES: 15—-23 June PRICE: ￥100-150        TIME: 10 p.m. till late!   TEL: 4668736

Scottish Dancing
    Scottish dancing is nice and easy to learn. The wonderful dance from England will be given.

PLACE: Jack Stein's      DATES: 10-20 May PRICE: ￥150           TIME: 7-10 p.m.  TEL: 4021877

Shows—-Anhui Museum
    There are 12,000 pieces on show here. You can see the whole of Chinese history.

PLACE: Anhui Museum    DATES: 1Mar-30 Jun PRICE: ￥130            TIME: Mon-Fri 9 a.m-5 p.m.   Saturday 9 a.m.-9 p.m. TEL: 4886888

    Your pen friend is coming from Australia to your city for a holiday. You send him this E-mail to tell him something about the hotels.

SUN HOTEL Dates                Prices(a night) 1Oct-31Dec             ￥168 1Jan-31Mar             ￥148 1Apr-30Apr(closed)       …… 1May-31May            ￥188 1Jun-30Sep              ￥208 TEL: 4686788   E-mail: Li Hong@163.com.

ROSE HOTEL Prices(a night) ￥198 ￥178 …… ￥218 ￥248

甲从一面镜子中能看见乙的眼睛，那么乙从这面镜子中（  ）

下列关于我国地理国情的表述，正确的是(     )。

A、B、C、D、E、F六种物质均由非金属元素组成。其中D、F是组成元素相同的气体。它们存在如图所示的转化关系，“→”表示可以向箭头所指方向一步转化，“—”表示两种物质之间可以发生反应(反应条件与其他物质均已略去)。请回答下列问题：