①加强对贫困人口的政策扶持力度    ②加大对贫困人口的经济援助力度

③努力提高贫困人口思想道德素质    ④贫困人口的主动参与，积极实践

填入下面一段文字横线处的语句，前后衔接最为最恰当的一组是（    ）

    微信朋友圈里的很多人往往是现实生活中的朋友。私密性是微信朋友圈的基本属性。①，②互联网的开放性，朋友圈③具有公共性质。在朋友圈里④要遵守社交礼仪外，⑤恪守公共交往规则及秩序，个人在朋友圈发布⑥转发信息要慎重，不能盲目动指头。每个人在各自朋友圈发信息时，要承担一定的“注意义务”。

如图示人体内的三种血管，请据图回答有关的问题：

如图所示，几何体的俯视图是（   ）
 

阅读理解

    Turn left at the second crossing if you drive along Center Street north to south. If you come by bus, you can get off(下车) at the B. Street Bus Station. You can't miss it!

    Please come to the black door. Our party will be on the farm behind the house. Put your gifts into the small tent on the grass(草地). Remember : This is a surprise party, so do not let him know anything about it by the party.

    We will have a buffet lunch(自助餐) and later all kinds of interesting games for everybody!

    Music Show at 4 P.M.

    Bring your guitars, violins, drums and anything that makes sound！

    Please let me know by July 4^th if you can make it.