ert perennials have extensive root systems below ground and a small shoot system above ground. The large root network enables the plant to absorb as much water as possible in short time. The small shoot system, on the other hand, considerably limits water loss by evaporation.
Another feature of many 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(蒸发) 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.
1. Ordinary plants are unable to survive in the desert mainly because of the changeable weather.
A Right B Wrong C Not mentioned
2. Grasses and flowers in desert are unable 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
3. 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
4. Winter is the toughest season for the grasses and flowers to survive.
A Right B Wrong C Not mentioned
5. The shoot system of perennials can help the plants absorb less of the sun's ray.
A Right B Wrong C Not mentioned
6. The theme of the second last paragraph is why the perennials can survive as plants for several years.
A Right B Wrong C Not mentioned
7. Desert perennials lose their leaves after the rainy season just as trees in wetter climates lose theirs in wetter climates because winter arrives, but the reasons for this features are different.
A Right B Wrong C Not mentioned
第三部分:概括大意与完成句子 (每题1分,共8分)
阅读下面这篇短文,短文后有2项测试任务:(1)1---4 题要求从所给的6个选项中为第2--5 段每段选择1个正确的小标题;(2)第5--8题要求从所给的6个选项中选择4个正确的选项,分别完成每个句子。请将答案涂在答题卡相应的位置上。
Adult
Education 1 Voluntary learning in organized courses by mature men and women is called adult education. Such education is offered to make people able to enlarge and interpret their experience as adults. Adults may want to study something which they missed in earlier schooling, get new skills or job training, find out about new technological developments, seek better self-understanding, or develop new talents and skills.
2 This kind of education may be in the form of self-study with proper guidance through the use of libraries, correspondence courses, or broadcasting. It may also be acquired collectively in schools and colleges, study groups, workshops, clubs and professional associations.
3 Modern adult education for large numbers of people started in the 18th and 19th centuries with the rise of the Industrial Revolution. Great economic and social changes were taking place: people were moving from rural areas to cities; new types of work were being created in an expanding factory system. These and other factors produced a need for further education and re-education of adults.
4 The earliest programs of organized adult education arose in Great Britain in the 1790s, with the founding of an adult school in Nottingham and a mechanics' institution in Glasgow. Benjamin Franklin and some friends found the earliest adult education institution in the U.S. in Philadelphia in 1727.
5 People recognize that continued learning is necessary for most forms of
本论文由英语论文网提供整理,提供论文代写,英语论文代写,代写论文,代写英语论文,代写留学生论文,代写英文论文,留学生论文代写相关核心关键词搜索。