Healthy trees are important to us all. Trees provide shade, beauty,.and homes for wildlife. Trees give us products like paper an

admin2019-05-23  23

问题     Healthy trees are important to us all. Trees provide shade, beauty,.and homes for wildlife. Trees give us products like paper and wood. Trees can give us all these only if they are healthy. They must be well cared for to remain healthy.
    Your trees’ trouble may be you yourself. People spend much time and money to plant and maintain trees. Trees improve the looks of homes, parks, business, and public buildings. Yet, people who love trees the most may be the ones who cause them injury. Of course, they do not do this on purpose. They are most likely not aware of the kinds of things that injure trees. There are many people-caused tree injuries. You should become aware of them and avoid them. Learn the things that can help to keep your trees healthy.
    Healthy trees are beautiful. They make our world a pleasant place to live. Unhealthy trees are not as beautiful. They make our world less pleasant. Healthy trees help to cool and clean the air. They can even deaden sound. Unhealthy trees cannot help or protect the environment. (81)Trees, like people, are disturbed by changes around them. Construction of building is a major cause of tree injuries.
According to the passage, only______trees can give us shade and products.

选项 A、beautiful
B、healthy
C、old
D、young

答案B

解析
转载请注明原文地址:https://kaotiyun.com/show/57JC777K
本试题收录于: 英语题库普高专升本分类
0

最新回复(0)