2013年职称英语理工类c级阅读理解练习14_第2页

　　B. survive even in extremely severe conditions
　　C. become better adapted to the environments than others of their kind.
　　D. result in the evolution and production of more intelligent organisms.
　　2. In the first paragraph, the word "environments" could best be replaced by
　　A. contexts
　　B. surroundings
　　C. neighbors
　　D. enemies

　　3. It can be inferred from this passage that the feathers of a bird care colored
　　A. to frightened its enemies.
　　B. to attract its enemies
　　C. to adjust its body heat
　　D. to match its environment
　　4. Which of the following is not directly mentioned?
　　A. A living thing may adapt in its structure.
　　B. An organism may adapt in its function.
　　C. A living creature may adapt in its genetic makeup.
　　D. A living organism may adapt in its sleeping habit.
　　5. The author cites the behavior of warm-blooded mammals in order to illustrate which of the following?
　　A. A living thing may have the ability to create an environment of its own
　　B. A living creature may have the ability to remain still when an enemy is near.
　　C. A living creature may have the ability to make food from its inorganic chemicals
　　D. A living creature may have the ability to change the color of its skin.