决定元素种类的是        （　）

小明到台湾去观光，下面是摘自小明旅行日记中的叙述，你认为正确的是（  ）

阅读理解
    Mr. Black is American, but he is in Canada now. He is a tall man with funny glasses. He works in a big city but lives in a town far away. He lives on the twentieth floor of a building. Every morning he gets up early. Then he gets into the lift and it takes him down to the first floor. He runs to the bus stop and catches the early bus. It usually takes him about two hours to get to the factory by bus. Then he gets off the bus and walks into the workshop(车间) quickly. He starts his work at eight in the morning.

下列关于人工智能的说法中，正确的是(   )   

地轴倾斜度大约是(    )。