Sam's parents took her to the World Park last week. He saw Big Ben, the Tower Bridge, Disneyland in America, the CN Tower, Niagara Falls and the Sydney Opera House. His father told her Big Ben and the Tower Bridge are in London. Her mother told her Niagara Falls is in Canada and the Sydney Opera House is in Australia. He learnt about many things of the famous places around the world.

如图，抛物线y=a（x﹣h）²+k经过点A（0，1），且顶点坐标为B（1，2），它的对称轴与x轴交于点C．

西亚地区周围的“五海”中不属于海洋的是(    )

（新华网）：新鲜的节日似乎越来越多，今天，一个原本很平常的日子却被“好事者”冠以“圆周率日”（又称“π节”）；更有人建议：应该在今天纪念圆周率鼻祖（     ）