逆温层
参考答案：
气温随高度升高而升高的现象，称为逆温现象。发生逆温现象的气层，称为逆温层。
—How do you your summer vacation?
—It's great. I love it.[ ]
A. like
B. know
C. think of
D. think
实施屋顶美化绿化的费用由谁承担？
