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.

英国著名戏剧家萧伯纳常对人讲起一个真实的故事：在访问苏联时，有一次，他漫步街头，遇到一个聪明活泼的小姑娘，并和她一起玩了很长时间，分手时，萧伯纳 对小姑娘说：“回去告诉你妈妈，今天同你一起玩的是闻名世界的萧伯纳。”小姑娘听后，十分严肃地回答他说：“回去也告诉你妈妈，今天同你玩的是×××(小姑娘的名字)。”这使萧伯纳吃了一惊。这则材料告诉我们(　　)

①要尊重世界名人②要赢得他人的尊重，首先要尊重他人③人与人之间要互相尊重④尽管我们每一个人的境遇和条件不同，但人生来平等，这种平等应该得到充分的尊重

一对夫妻均为单眼皮（aa），妻子经手术后变为双眼皮．下列说法正确的是（　　）