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
65
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
B
解析
此处需要填入一个名词或动名词,可选范围缩小到A、B、C、I、J、K、M和N,根据前半句the last to be planted under good conditions以及整个句子的结构可知,前半句和后半句是一个比较工整类似排比或对比的结构,故正确答案为B。
转载请注明原文地址:https://tihaiku.com/zcyy/2856702.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
WhydidthemangotoBeijing?[br][originaltext]W:HaveyoueverbeentoChin
Bacteriaaresometimes______toosmalltobeseenwithoutamicrophone.A、farB、
Wouldyouknowhowtohelp?Everyyear,thousandsofdriversandpasseng
被称为“短篇小说之王”的是( )A.屠格涅夫 B.莫泊桑 C.培根 D.
某高速公路工程针对影响道路质量的弯沉值、平整度、摩阻系数、横坡、纵坡、路面宽度和
能够使人感受到精神及心理上的愉快及满足的感觉的人际吸引规律是A、相补吸引 B、
教师按照一定的教学要求向学生提出问题,要求学生回答,并通过回答的形式来引导学生获
外国公民雅力克持旅游签证来到中国,我国公安机关查验证件时发现,其在签证已经过期的
卫生防疫机构对公共场所卫生监督的职责不包括( )。A.监督从业人员健康检查
补体系统在激活后可以A、诱导免疫耐受 B、抑制变态反应 C、结合细胞毒性T细
最新回复
(
0
)