Another feature of many desert perennials is that after the rainy season they lose their leaves in preparation for the long， dry season， just as trees in wetter climates lose theirs in preparation for the winter. This reduces their water loss by evaporation during the dry season. Then， in next rainy season， they come fully alive once more， and grow new branches， leaves and flowers， just as the grasses and flowers in desert do.

　　16. Ordinary plants are unable to survive in the desert mainly because of the changeable weather.

　　A. Right 　　B. Wrong 　　C. Not mentioned

　　17. Grasses and flowers in desert are able to survive because they stay in the form of seeds to wait for the right amount of water to come.

　　A. Right 　　B. Wrong 　　C. Not mentioned

　　18. Grasses and flowers in the desert whose life cycles are short shows their ability to adapt to the quick disappearance of rainwater there after it falls in spring.

　　A. Right 　　B. Wrong 　　C. Not mentioned

　　19. Winter is the toughest season for grasses and flowers to survive in desert

　　A. Right 　　B. Wrong 　　C. Not mentioned

　　20. The shoot system of perennials can help the plants absorb less of the suns ray.

　　A. Right 　　B. Wrong　　 C. Not mentioned

【2014年职称英语考试理工类阅读判断模拟练习题(5)】相关文章：

★ 2014年职称英语考试卫生类A级完型填空模拟练习题(14)

★ 2015年职称英语考试理工类完形填空练习(4)

★ 2014年职称英语考试综合类完形填空练习题(1)

★ 2014年职称英语考试理工类完形填空精选练习题(1)

★ 2014年职称英语考试卫生类A级完型填空模拟练习题(15)

★ 2015年职称英语考试理工类补全短文精选练习题(5)

★ 2014年职称英语考试综合类完形填空练习题(9)

★ 2014年职称英语考试综合类完形填空模拟练习题(11)

★ 2014年职称英语考试综合类完形填空练习题(7)

★ 2014年职称英语考试理工类完形填空强化练习题及答案(5)