《2021年职称英语B类练习题》由会员分享，可在线阅读，更多相关《2021年职称英语B类练习题（4页珍藏版）》请在金锄头文库上搜索。
1、职称英语B类练习题 Plants and Mankind Botany, the study of plants, oupies a peculiar position in the history of hu _n knowledge. We dont know what our Stone Age an _stors knew about plants, but from what we can observe of preindustrial societies that still exist, a detailed learning of plants and their prope
2、rties must be extremely ancient. This is logical. Plants are the basis of the food pyramid for all living things, even for other plants. They have always been enormously important to the welfare of people, not only for food, but also for clothing, weapons, tools, dyes, medicines, shelter, and _ny ot
3、her purposes. Tribes living today in the jungle of the A _zon recognize hundreds of plants and know _ny properties of each. To them botany has no name and is probably not even recognized as a special branch of knowledge at all. Unfortunately, the more industrialized we bee the farther away we move f
4、rom direct contact with plants, and the less distinct our knowledge of botany grows. Yet everyone es unconsciously on an a _zing amount of botanical knowledge, and few people will fail to recognize a rose, an apple, or an orchid. When our Neolithic an _stors, living in the Middle East about 10,000 y
5、ears ago, discovered that _rtain grasses could be harvested and their seeds planted for richer yields the next season, the first great step in a new association of plants and hu _ns was taken. Grains were discovered and from them flowed the _rvel of agriculture: cultivated crops. From then on, hu _n
6、s would increasingly take their living from the controlled production of a few plants, rather than getting a little here and a little there from _ny varieties that grew wild and the aumulated knowledge of tens of thousands of years of experien _ and inti _cy with plants in the wild would begin to fa
7、de away . 1. It is logical that a detailed learning of plants and their properties must be extremely ancient. A. Right B. Wrong C. Not mentioned 2. People can not survive without plants. A. Right B. Wrong C. Not mentioned 3. Tribes living today in the jungle of the A _zon teach botany to their child
8、ren at school. A. Right B. Wrong C. Not mentioned 4. Our direct contact with plants grows with the pro _ss of industrialization. A. Right B. Wrong C. Not mentioned 5. Today people usually acquire a large amount of botanical knowledge from textbooks. A. Right B. Wrong C. Not mentioned 6. People living in the Middle East first learned to grow plants for food about 10,000 years ago. A. Right B. Wrong C. Not mentioned 7. On _ _nkind began farming, they no longer had to get food from _ny varieties that grew wild. A. Right B. Wrong C. Not mentioned 模板,内容仅供参考
