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
56
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
N
解析
此处需要填入一个名词或动名词,可选范围缩小到C、I、M和N,根据下文cattle对marginal land的破坏可确定正确答案为N。
转载请注明原文地址:http://tihaiku.com/zcyy/2856707.html
相关试题推荐
[originaltext]W:Today,weinviteMr.SonderimtotalksomethingabouttheEuro
[originaltext]Areyoutiredofyourjobandwanttodosomethingdifferent
Likefinefood,goodwritingissomethingweapproachwith【B1】______andenjo
Likefinefood,goodwritingissomethingweapproachwith【B1】______andenjo
Likefinefood,goodwritingissomethingweapproachwith【B1】______andenjo
Likefinefood,goodwritingissomethingweapproachwith【B1】______andenjo
Likefinefood,goodwritingissomethingweapproachwith【B1】______andenjo
Likefinefood,goodwritingissomethingweapproachwith【B1】______andenjo
Likefinefood,goodwritingissomethingweapproachwith【B1】______andenjo
[originaltext]W:Dr.Smith.IneedtoaskyouaboutsomethinginChapter12.We
随机试题
[originaltext]GlacierNationalParkinMontanasharesboundarieswithCanad
Thefollowingisalistofsomecharacteristicsofgoodstudents,whichshow
[originaltext]ThegovernmentofNepalsaysitbelievesatleastfifteenhun
TheWorldHealthOrganization(WHO)wassetupon7thApril1948,adate
LadiesandGentlemen,WelcometoLondonInternationalLanguageCenter.Wete
患儿,男,3岁。高热伴有惊风,诊断为温热疫毒,邪陷心肝。治疗首选方是A.清瘟败毒
下列选项中,不符合新课程理念的美术教学评价方式是( )。A.多标准评价 B.
下列各项中,不符合内部牵制的要求的是()。A、出纳人员管票据 B、出纳人员
若沪深300指数为2500点,无风险年利率为4%,指数股息率为1%(均按单利计)
下列水泵类型中,属于叶片泵的是()。A.离心泵 B.轴流泵 C.混流泵
最新回复
(
0
)