【答案解析】[范文] House and Trees The following pictures show us a sharp contrast between the man's two living condition. In the first picture, the man's house is enclosed by a lot of tall trees. Though the wind is strong, the man can enjoy his tea leisurely under the shadow of the tree. How comfortable the life is! One day, the man wants to enlarge his house, so he chops down all the trees. Then the autumn comes, without the protection of the tress, the strong wind blows the roof of his house into the sky. The whole house is gone with the wind. That's the price people have to pay for destroying the ecological balance. People shouldn't be shortsighted. Protecting the environment is everyone's duty. We should join hands to make the world a better place to live in, not only for ourselves but also for the next generation.