Every kind of plant or tree is good at producing a special set of chemicals. Herbivores, like rabbits, can safely eat the leaves of one tree, but they may be poisoned by its neighbor.
In this way, plants have not only developed their own defense system, but also shared it with others. This makes it impossible for a single animal to destroy even a small area of forest.
51. From the first 2 paragraphs, we can learn that _________.
A. plants can do nothing against their enemies
B. chemicals are quite useful for plants to survive
C. an antelope can always run away from a strong lion
D. leaves, roots, flowers and fruits of plants are poisonous
Tag:中考英语模拟题,中考英语模拟题大全,中考复习 - 中考英语 - 中考英语模拟题
- 荆州市2017年中考初三英语月考模拟试题
- › 荆州市2017年中考政治练习题(有答案)
- › 荆州市2017年中考化学模拟试卷(附答案)
- › 荆州市2017年中考化学一模试卷(附答案)
- › 荆州市2017年中考初三英语月考模拟试题
- 在百度中搜索相关文章:荆州市2017年中考初三英语月考模拟试题
- 在谷歌中搜索相关文章:荆州市2017年中考初三英语月考模拟试题
- 在soso中搜索相关文章:荆州市2017年中考初三英语月考模拟试题
- 在搜狗中搜索相关文章:荆州市2017年中考初三英语月考模拟试题