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
People who live in heavily industrialized areas do not get as much sunlight as they should. Dust【C1】______over a city at altitud
People who live in heavily industrialized areas do not get as much sunlight as they should. Dust【C1】______over a city at altitud
admin
2020-02-21
18
问题
People who live in heavily industrialized areas do not get as much sunlight as they should. Dust【C1】______over a city at altitudes (海拔) of between 4,000 and 8,000 feet cuts out between 20 and 50 percent of the sunlight and up to 90 percent of the ultraviolet light (紫外线). But dust is not the only thing to【C2】______about. When fuels are burned, whether in a factory, or in a home, or in the engine of a car, CO
2
is given off. CO
2
in the atmosphere acts as a kind of【C3】______around the earth, keeping warms in and so slowly raising the【C4】______of the earth. This could really change the climate all over the world.
Everybody wants to have a car.【C5】______, while they are giving us so much pleasure, cars are also poisoning us. The amount of dangerous substances sent out by a car is quite【C6】______. Did you know, for example, that a hundred cars produce on【C7】______a third of a ton of CO, as well as many other【C8】______substances every day?
Now, more and more people are realizing the importance of clean air. Schools are now teaching about the pollution problems. Scientists and engineers are trying to【C9】______new engines for cars. But what about the millions of cars already in use? Must they all be thrown away? It might be very【C10】______to change them so that they, too, are pollutiorvfree.
A. forge B. screen C. expensive D. floating
E. unfortunately F. average G. poisonous H. develop
I. temperature J. surprising K. overtaking L. essential
M. regulation N. generously O. worry
【C10】
选项
答案
C
解析
此处应为形容词。本段第4句和第5句两个问句表明,要改装现在已经投入使用的汽车以减少它们的污染很困难,花费很大,词库中只有expensive可以表达这个意思。要注意的是,词库中的essential一词放在空白处在语法和语义上也是成立的,但是如果结合上文两个问句的内容,essential就不如expensive合适了。
转载请注明原文地址:https://kaotiyun.com/show/pwp7777K
0
大学英语四级
相关试题推荐
ArtificialIntelligence(AI)A)Weoftendon’tnoticeit,butartificialintelligence(AI)isallaroundus.Itispresentinco
Teenageboys,regardlessofrace,aremorelikelytodiefromgunshotwoundsthanfromallnaturalcausescombined.Bythet
Aremarkablevarietyofinsectsliveinthisplanet.Morespeciesofinsectsexistthanallotheranimalspeciestogether.Insec
WhichAttributesofaFoodProductareMostImportanttoConsumersA)TheAustralianstateofVictoriaisinvestinginapro
Signhasbecomeascientifichotbutton.Onlyinthepast20yearshavespecialistsinlanguagestudyrealizedthatsignedlangu
TheInternetisaninternationalcollectionofcomputernetworksthatallunderstandastandardsystemofaddressesandcommands
A、People’sIQscoreskeeprisingforthepasthalfcentury.B、AveragepeoplehavelowerIQscoresthandecadesago.C、Kidsareb
A、Inthe19thcentury.B、Inthe18thcentury.C、Inthe17thcentury.D、Inthe16thcentury.B短文提到,“该传统最终在18世纪传入英格兰和苏格兰。”故选B。由选项知
A、Thereweresomepagesmissingintheoldbooks.B、Someoldbookscouldnotbefoundinthemuseum.C、Somepageswerebrokenin
"Wehavebeenignoringthebiggestglobalhealththreatofthe21stcentury."Thiswasthemessagespelledoutinareportlaunc
随机试题
在数据库“Acc2.mdb”中有“学生成绩”表、“学生档案”表和“课程名”表3张表。(1)以“学生成绩”表、“学生档案”表和“课程名”表为数据源,建立参数查询“查询1”,通过输入班级ID来查询不及格情况,参数提示为“请输入班级ID”,查询结果显示“班级编
甲企业的一项药品发明专利将于2017年9月1日保护期满。2014年3月,乙企业到国家医药主管机关申请新药许可,为了提供审批需要的信息,乙制造了甲企业的该项专利药品,乙企业的行为()
Alandfreefromdestruction,pluswealth,naturalresources,andlaborsupply—allthesewereimportant【C1】______inhelpingEngl
子宫腔粘连综合征(Asherman综合征)是指
A.阴寒内实B.阳盛实热C.气血不足D.脾胃虚弱促脉的主病有
牙髓活力电测验测试牙的值明显低于对照牙,则表示
简述知识、技能和能力的关系。
你处理过的一件最困难的工作是什么?你是如何处理的?
要实施扩张性的财政政策,可采取的措施有()。
无数事实证明,人有了明确的理想,才能在人生的追求上不断去攀登,最大限度地实现人生价值;人若没有明确的理想,就会像没有舵的小船,在生活的大海中迷失方向,甚至搁浅触礁。这表明理想信念()
最新回复
(
0
)