首页
登录
职称英语
A serious threat to farmers in many parts of the world is erosion. Erosion o
A serious threat to farmers in many parts of the world is erosion. Erosion o
游客
2024-02-18
9
管理
问题
A serious threat to farmers in many parts of the world is erosion. Erosion occurs if a large area of land is 【B1】______ of trees and is then badly treated by the farmers. The rain and wind may 【B2】______ wash away, or blow away much of the topsoil. When this happens, 【B3】______ of wheat or corn become weaker and weaker until nothing grows well. If erosion continues, it will turn good land into a desert.
In the past when erosion 【B4】______ , farmers sometimes moved to a new place to farm. Sometimes they could not move, but continued to try to grow food in the 【B5】______ soil. This caused them to sink into 【B6】______ . Soon some people 【B7】______ that there was little rich, 【B8】______ soil in the world, so the government began to try to stop erosion.
One of the first experiments to stop erosion began in the United States in 1933. The experiment was carried out in the area of the Tennessee River. 【B9】______ As a result, most of the people living around the Tennessee River were very poor.
【B10】______ The government workers also helped farmers to fertilize their soil and to learn new farming methods which could stop erosion.
At the beginning, the farmers were not interested. But soon, good healthy crops began to appear on the land where new methods were used. 【B11】______ The great success of this experiment had led to similar projects in the other parts of the world. [br] 【B7】
选项
答案
realized
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3462017.html
相关试题推荐
Ifyoususpectthattheillnessmightbeserious,youshouldnot______goingto
Thefarmers’houses,whichlocateinthevalley,areenclosedby______andfenc
Forsuchaseriousoffencehewasluckyto______withonlyafine.A、getawayB、g
Weshouldalwaysbearinmindthat______decisionsoftenresultinseriousconse
Theyhavenotyetentered______seriousnegotiationinthefirstroundoftheta
YoucanbelievehimbecauseIknowhetoldthe______truth.A、seriousB、severeC
[originaltext]W:Tom,youreallymusttakeschoolmoreseriously.Ifyoudon’t
[originaltext]W:Tom,youreallymusttakeschoolmoreseriously.Ifyoudon’t
[originaltext]W:Tom,youreallymusttakeschoolmoreseriously.Ifyoudon’t
[originaltext]W:Tom,youreallymusttakeschoolmoreseriously.Ifyoudon’t
随机试题
Onceyouarehiredbyacompany,youwillprobablyhavebusinesscards.Abu
MarieCuriewasthefirstfemaleprofessoratSevres,acollegeforgirlswh
由于肾小球通透性增加而产生的蛋白尿称为A.溢出性蛋白尿 B.尿毒症 C.血浆
十九大报告中指出,培育和践行社会核心价值观,深入挖掘()蕴含的思想观念、人
海水港浪溅区钢筋混凝土应采用需水量比不大于100%的粉煤灰。
有7个不同的质数,它们的和是58,其中最小的质数是多少?()A.2 B.
某教育机构招聘讲师,有5位评委打分,平均分需要达到85分才能正式通过。小王应聘时
《银行间债券市场非金融企业中期票据业务指引》规定,企业发行中期票据应遵守国家相关
患者,女,38岁,主诉:右半侧牙遇冷热痛3周。病历记载:1个月前右上后牙在外院已
在承包人索赔中,总部管理费可以按照( )计算。A.银行同期贷款利率 B.投标
最新回复
(
0
)