首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Humanity uses a little less than half the water available worldwide. Yet occurrences of shortages and droughts are causing fami
Humanity uses a little less than half the water available worldwide. Yet occurrences of shortages and droughts are causing fami
admin
2019-01-22
34
问题
Humanity uses a little less than half the water available worldwide.
Yet occurrences of shortages and droughts are causing famine in some
areas, but industrial and agricultural by-products are polluting water supplies. 【S1】______
Since the world’s population is expecting to double in the next 50 years, 【S2】______
many experts think we are on the edge of a widespread water crisis.
But that doesn’t have to be the outcome. Water shortages do not
have to trouble the world—if we started valuing water more than we 【S3】______
have in the past. Just like we began to appreciate petroleum more after 【S4】______
the 1970s oil crisis, today we must start looking at water from a fresh
economical perspective. We can no longer afford to consider water a 【S5】______
virtual free resource of which we can use as much as we like. 【S6】______
Instead, for all uses except the domestic demand of the poor,
governments should price water to reflect their actual value. This means 【S7】______
charging a fee for the water itself as well as for the demand costs. 【S8】______
Governments should also protect this resource by providing
water with more economically and environmentally sound ways. 【S9】______
Often the cheapest way to provide irrigation water in the dry tropics
is through small-scaled projects, such as gathering rainfall in depressions 【S10】______
and pumping it to nearby cropland.
【S3】
选项
答案
started—start
解析
时态错误。主句使用了一般现在时do not have to trouble,因此if从句里的一般过去时要改成一般现在时。
转载请注明原文地址:https://kaotiyun.com/show/uXEK777K
0
专业英语八级
相关试题推荐
Issuesconcerninghumanlearningareamongthecriticaltopicsineducationalpsychology,childdevelopment,andcognitivescie
Thebrainsofchildrenareaffectedbyfamilyviolenceinthesamewayascombataffectssoldiers,accordingtoastudy.Inbot
Thegovernment’scontinuingfailuretoaddressournation’sgut-wrenchingunemploymentstemsfromafundamentaldisagreemento
Brooklyn,NewYork,hadapopulationofabout23,000whenitbecomesacityin1834.
HowtoWriteaCollegeTermPaper?I.Tip1:Figureoutexactlywhattheprofessorwants.Read【T1】_____verycarefully.【T1】_
Toacomparativeeducationalistmanyquestionsabouttheselectionandtrainingofdoctorsandlawyersindifferentcountries
Whollyasidefromaestheticandmoralconsiderations,fashionisaneconomicabsurdity,andthereislittletobesaidinitsf
Culturesaredifferentbecausethelocationstheyexistinaredifferent.Somepeoplelivinginthedesert,aregoingtolived
PASSAGETWOWhydoesIBMinvestmoneyforemployees?
(1)LarrySummersisright;thisyear’sFedsymposiuminJacksonHolewastriplydisappointing.Intheweeksbeforethegatherin
随机试题
微电极测井是在普通电位率测井的基础上发展起来的一种测井方法。()
电子传递链中与磷酸化偶联的部位是
心电图运动试验阳性是指心肌负荷增加后出现()。
反应一个测验工具的正确性是指该测验的
我国最早发明了雕版印刷术,世界上现存最早的雕版印刷品是()。
英国卖给埃及的游轮,开始并不受欢迎,法国人建的游轮卖得倒是更好些。原来法国游轮“空场”的地方多,而英国游轮房间却比法国造得大很多。英国人通过分析得出结论:在心理上,人们对外部宽窄的计较,要远远大于对房间内宽窄的需要。于是,英国人收缩了游轮上房间的面积,而把
研究人员将某种植物乳酸菌混人实验鼠的饲料,在实验鼠食用这种饲料4周后,又持续两周给其施加足以引起睡眠障碍的精神压力,然后让实验鼠在夜间活动时间段蹬转轮,测试其活动量。结果显示,摄取过该乳酸菌的实验鼠活动量下降趋势得到遏制,而没有食用含该乳酸菌饲料的对照组实
下面程序段的输出结果是______。char*s="12345";s+=2;cout<<s;
Itisrareopportunityforustolookaroundthenaturalhistorymuseumhavingaunique_______ofspecimens.
Marydidnothingbut______thewholetimeshewasthere.
最新回复
(
0
)