试题出自试卷《2018年成考（高升专/本）英语真题卷》

问题1选项
A.They can provide food for different kinds of insects.
B.They can lower the temperature around the Equator.
C.They are home to various kinds of plants and animals.
D.They produce the best wood for house buildin

C

事实细节题。

根据第二段前两句可知，热带雨林在维持世界生态平衡方面有巨大作用，它们是众多动植物的家园。故本题选C。