2016年1月，由我国倡议筹建的亚洲基础设施投资银行正式开业。亚投行的成立符合时代潮流，对于世界各国，特别是发展中国家的基础设施建设和发展具有重要意义。这表明（    ）

下列朝代中，曾出兵夺取幽云十六州地区，并同辽两次作战的是（    ）

There was a bridge crossing a big river from west to east. It1a man five minutes 2 it. There was a pavilion(凉亭)3the middle of the bridge with a soldier4. He came out5three minutes.6he saw somebody crossing the bridge, he would tell him to go7, not permitting(限制)him to cross. A clever man thought of a8idea, and crossed the9at last. What10did the clever man think of to cross the bridge?

如图为人体血液循环模式图，请完成以下问题．