影视剧中往往让女主角面朝大海，海风吹拂下让头发向后飘逸以反映女主角的快乐心情．结合“北半球某滨海地区海陆环流图”（甲图）和“气温变化特征图”（乙图），回答下题．
In April, the weather in some places in Shanxi was really changeable. People still remember they have _______ four seasons in a week.
在上面的三角形中，以AB为底边的高是 ____，我还能找到以 ____边为底边的高是 ____。
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