U校园综合英语1选词填空练习附答案VIP免费

小嘻学长 资料分享 选词填空（15 选10） Botany, the study of plants, has a highly valued position in the history of human knowledge. From what we have 1) observed of preindustrial (工业化以前的) societies, a detailed study of plants must have been pretty ancient. Plants are the 2) basis of food for all living things, even for some other plants. They have always been 3) enormously important to human beings, not only for food, but also for clothing, weapons, tools, medicines, shelter, and many other 4) purposes. People who lived in the jungle of the Amazon can recognize a wide 5) range of plants and know their properties. To them, botany has no name and is probably not even recognized as a special branch of “knowledge” at all. However, 6) unfortunately, the more industrialized we become, the farther away we move from direct contact with plants. Now not many people have a reasonable 7) amount of botanical knowledge. About10,000 years ago, when our ancestors 8) discovered that certain grasses could be harvested and their seeds could be planted the next season, the 9) bond between plants and humans was formed. As a result crops were 10) cultivated. From then on, humans live on the production of plants. A) uncovered B) discovered C) cultivated D) explored E) observed F) range G) chain H) bond I) amount J) number K) resources L) basis M) purposes N) enormously O) unfortunately 参考答案： 1) observed 2) basis 3) enormously 4) purposes 5) range 6) unfortunately 7) amount 8) discovered 9) bond 10) cultivated Some people argue loudly that putting the bright and the not-so-bright children in the same class can have a bad effect on their development. According to them, it can 小嘻学长 资料分享 al...