一

二

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3.—Some people think that natural resources are 　　　　(无限的).  —It is wrong of them to think so. Our natural resources are limited. 4.The 　　　　　(旅游景点) is designed to be in harmony with its 　　　　　　(周围的) environment. When you 　　　　　(漫游) on its grass in spring,the 　　　 　　(温和的阳光) will make you relaxed and sleepy.  5.When 　　　　(阳光) hits the earth,a lot of heat will be 　　　　　　(反射) back into the 　　　　　　(大气层). 

endless

tourist spot

surrounding

wander

mild sunshine

sunshine

reflected

atmosphere