首页
登录
职称英语
To call something "marginal" means it is not very good. Farmers have their o
To call something "marginal" means it is not very good. Farmers have their o
游客
2023-07-21
55
管理
问题
To call something "marginal" means it is not very good. Farmers have their own way to【47】marginal land: It is the last to be planted under good conditions, and has the【48】to be avoided under poor conditions. Low【49】soil is not the only reason land could be considered marginal. It might be in an area where rainfall is【50】or where a hillside might rise too steeply(陡峭地).
There are uses for marginal land, however. Most often it is used as grassland. Grasses provide excellent【51】for grazing (吃草) animals like cattle, sheep and goats. Grass seed can be bought from a foreign supplier or【52】grasses can be used. However, using marginal land for grazing is not a simple issue. There is a【53】of overgrazing. Cattle can damage the crops by eating down to the roots. Also, the weight of the animals crushes the soft and can make it too hard for growing. A(n)【54】way to reduce the harm is to move animals from one field to another. This method is known as rotational grazing (循环放牧) which is extremely important for marginal land.
Another use for marginal land is for tree crops. Studies have【55】that the white pine and loblolly pine (火炬松) are two kinds of trees that grow well on such land. They grow fast and provide good quality wood. Another tree is the poplar (白杨), found in many parts of the world.
Failure to take the care needed to protect marginal lands can make a bad situation worse. But good planning can 56 a marginal resource into a highly productive one.
A) feed B) priority C) transplant D) effective
E) limited F) define G) adequate H) transform
I) discouraging J) quality K) native L) revealed
M) prejudice N) hazard O) recovered [br]
选项
答案
L
解析
此处需要填入一个动词的过去分词,选择范围缩小到L和O,分别放人空白处根据上下文可确定答案为L。
转载请注明原文地址:https://tihaiku.com/zcyy/2856709.html
相关试题推荐
Astheplanecircledovertheairport,everyonesensedthatsomethingwaswr
Astheplanecircledovertheairport,everyonesensedthatsomethingwaswr
Astheplanecircledovertheairport,everyonesensedthatsomethingwaswr
Astheplanecircledovertheairport,everyonesensedthatsomethingwaswr
Astheplanecircledovertheairport,everyonesensedthatsomethingwaswr
Astheplanecircledovertheairport,everyonesensedthatsomethingwaswr
Astheplanecircledovertheairport,everyonesensedthatsomethingwaswr
Astheplanecircledovertheairport,everyonesensedthatsomethingwaswr
Astheplanecircledovertheairport,everyonesensedthatsomethingwaswr
Astheplanecircledovertheairport,everyonesensedthatsomethingwaswr
随机试题
•Youwillhearapresentation.Thispresentationisaboutvariouskindsofprobl
Peopleappeartobeborntocompute.Thenumericalskillsofchildrendevelo
每个项目都有一个明确的开始时间和结束时间,这体现了项目的( )。A.紧迫性
邪正盛衰决定着()A.病证的寒热 B.病位的表里 C.气血的盛衰
下列关于初中语文教学评价的解说,不正确的一项是( )。A、随着教育科学理论的不断
一般来说,()伴随着巨大的资本利得,被认为是退出的最佳渠道。A.首次公开发
证券交易所实行()原则,并对证券交易进行严格管理。 ①公平 ②公开
A.洗 B.函 C.此 D.巯
动机的要素包括( )。A.决定人行为的方向 B.努力的水平 C.期待某种结
男性,48岁,肥胖。餐后阵发性右上腹痛,每次发作持续约1~4小时,伴有恶心和腹胀
最新回复
(
0
)