复合题

Passage One

    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 planting and maintaining trees. Trees help to improve the looks of homes, parks, 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 who cause tree injuries. You should become aware of the injuries and avoid causing 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 in. Unhealthy trees are not as beautiful. They make the 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. Trees, like people,are disturbed by changes around them. Construction of buildings is a major cause of tree injuries.

单选题 According to the passage, only_______trees can give us shade, beauty,and products.
【正确答案】 B
【答案解析】根据第一段内容可知，健康的树木对我们所有人都很重要，树木提供阴凉、美丽和野生动物的家园，树木给我们带来了纸和木材等产品，只有健康的树木才能给我们提供所有这些东西，它们必须得到很好的照顾才能保持健康。故选B。
单选题 People who love trees may______.
【正确答案】 C
【答案解析】根据第二段第四至六句"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.”可知，最喜欢树木的人可能是那些给树木造成伤害的人，当然，他们不是故意这样做的，他们很可能不知道什么事情会伤害树木。故选C。
单选题 People may improve the looks of their homes and public buildings by______.
【正确答案】 D
【答案解析】根据第二段第二、三句"People spend much time and money planting and maintaining trees. Trees help to improve the looks of homes, parks, and public buildings.”可知，人们花很多时间和金钱种植和养护树木，树木有助于改善住宅、公园和公共建筑的外观。由此可推知，人们可以通过种植树木并使树木保持健康来改善他们的住宅和公共建筑的外观。故选D。
单选题 Which of the following statements is TRUE according to the passage?
【正确答案】 B
【答案解析】根据第二段第一句“Your trees'trouble may be you yourself.”可知，你的树木的问题可能是你自己导致的，即一些树木的问题可能来自人类。其他三项均与原文不符。故选B。
单选题 故选B。The purpose of this passage is to tell______.
【正确答案】 A
【答案解析】通读全文可知，本文首先总述了只有健康的树木才能够带给我们好处，然后阐述了最喜欢树木的人可能是那些给树木造成伤害的人，最后总结了健康树木给世界和环境带来的好处，并提到建造大楼是造成树木伤害的一个主要原因。所以，本文的主要目的是告诉我们，人们应该了解保持树木健康的重要性。故选A。