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【1】over a city at altitudes (海拔)
People who live in heavily industrialized areas do not get as much sunlight as they should. Dust【1】over a city at altitudes (海拔)
admin
2013-04-06
42
问题
People who live in heavily industrialized areas do not get as much sunlight as they should. Dust【1】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【2】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 【3】around the earth, keeping warms in and so slowly raising the【4】of the earth. This could really change the climate all over the world.
Everybody wants to have a car.【5】, 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【6】. Did you know, for example, that a hundred cars produce on【7】a third of a ton of CO, as well as many other【8】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【9】new engines for cars. But what about the millions of cars already in use? Must they all be dirown away? It might be very【10】to change them so that they, too, are pollution-free.
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
【4】
选项
答案
I
解析
此处应为名词,作raising的宾语。在本句中,raising the…是keeping warms in的结果,也就是说,二氧化碳阻挡了地球热量的散发,造成的结果就是使地球的温度上升,可见本题答案为temperature。
转载请注明原文地址:https://kaotiyun.com/show/FWr7777K
0
大学英语四级
相关试题推荐
After1785,theproductionofchildren’sbooksintheUnitedStatesincreasedbutremainedlargelyreprintsofBritishbooks,of
Thisisforpeoplewhoareinterestedinadoptingalow-fatlifestyleorforthosewhoarealreadylivingalow-fatlifestyle.
Troubledbythepersistentlypoorgraduationratesofbasketballandfootballplayers,theNationalCollegiateAthleticAssociat
LearningthroughTestsTakingatestisnotjustapassivemechanismforassessinghowmuchpeopleknow,accordingtonewre
Itisnaturalforyoungpeopletobecriticaloftheirparentsattimesandtoblamethemformostofthemisunderstandingsbetw
A、Itwasnothingmorethanalistofhardwords.B、Itdefinedeasywordsaswellasdifficultones.C、Itcontainedgoodsentence
Theword"sport"firstmeantsomethingthatpeopledidintheirfreetime.Lateritoftenmeant【B1】______wildanimalsandbi
Itisdifficulttoimaginewhatlifewouldbelikewithoutmemory.Themeaningsofthousandsofeverydayperceptions,thebasis
WhenIlefttherestaurant,Iwas______byaladywhoaskedmetobuyhergoods.
随机试题
假设验证原则:假设验证不要太计较绝对的精确。商业决策假设的验证,重视的是_____________而非_____________。
Forthepastseveralyears,theSundayNewspapersupplementParadehasfeaturedacolumncalled"AskMarilyn".Peopleareinvite
关于足月新生儿病理性黄疸的叙述,正确的是()
某综合楼工程,地下1层,地上12层,建筑面积1900m2,钢筋混凝土框架结构,业主与某施工单位双方签订了工程施工总承包合同。合同约定:工期300天,施工单位的施工进度计划网络图得到了监理工程师的批准。在施工中发生了以下事件:事件一:在基础施工
外国债券是指某一国借款人在本国以外的某一国家发行以()为面值的债券。
为什么说分段系统较之分页系统更易于实现信息共享和保护?
m为偶数(1)设n为整数,m=n(n+1).(2)在1,2,3,…,1988这1988个自然数中相邻两个数之间任意添加一个加号或减号,设这样组成的运算式的结果是m.
Thekeypositionandroleofwomenintheprocessofdevelopmentisincreasinglybeingrecognized.(1)_____thethreegreatWorl
判断下列叙述正确与否。①在计算机的中断系统中,优先级别高的中断总是先响应先处理。②光盘存贮器利用激光束在记录表面介质上存贮信息,可根据激光束反射的强弱来读出信息。③采用24针的打印机可以获得最好的硬拷贝效果。④指令中直接给出
With10,600bicyclesincirculation,Pariscityofficialsarehopingtheprogramwillprovidepeoplewithmoreenvironmentallyf
最新回复
(
0
)