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
2016-09-21
79
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 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
【C6】
选项
答案
J
解析
此处应为形容词。该段最后一句的例子是为了举例说明本题空白处所在的句子的,由该例子可以看出,作者想表明汽车排放的危险物质的数量非常惊人,由此可以推断,本题答案为surprising。
转载请注明原文地址:https://kaotiyun.com/show/wjY7777K
0
大学英语四级
相关试题推荐
A、Shecanprobablydothejob.B、Shehasheardabouttheletter.C、Shehaswrittenmanyletters.D、Sheknowswhothetranslator
Somepeoplesaythetraditionalcalendarof180daysnolongermeetstheneedsofAmericansociety.Theypointoutthatstudents
EndangeredPeoplesA)Today,itisnotdistance,butculturethatseparatesthepeoplesoftheworld.Thecentralquestionofour
EndangeredPeoplesA)Today,itisnotdistance,butculturethatseparatesthepeoplesoftheworld.Thecentralquestionofour
TravelhasbeenaconsiderablepartofmylifeandIhavedifferentkindsof【B1】______tomanypartsoftheworld.Ofteninmytr
TravelhasbeenaconsiderablepartofmylifeandIhavedifferentkindsof【B1】______tomanypartsoftheworld.Ofteninmytr
A、Rewritethewholeletter.B、Checkthespellingofsomewords.C、Sendtheletterwithouttypingit.D、Changesomewordinginhi
A、Tobeonthealertwhenbeingfollowed.B、Nottoleaveseniorcitizensaloneathome.C、Nottoletanyoneinwithoutanappoin
A、Howprivatelanguagesaredeveloped.B、Howdifferentlanguagesarerelated.C、Howpeoplecreatetheirlanguages.D、Howchildre
随机试题
痰饮、悬饮、支饮、溢饮四者当如何鉴别?
一国政府不规定本国的官方汇率,外汇汇率是由外汇市场根据外汇的供求状况自发地决定的汇率制度是()
关于胆汁,描述错误的是
按化学结构分类合成镇痛药有
内爬升塔机的固定间隔不得小于()楼层。
主控项目检验内容中要用数据说明的包括()。
合成定蓝(还原靛蓝)()
ABC投资咨询公司正在进行投资组合的分析,该组合包含着2只股票:X和Y。X股票和Y股票的预期收益率分别为10%和13%,标准差分别是30%和40%。投资占比各为50%。ABC的分析师经过计算之后得出,该投资组合的标准差为35%。ABC公司是否应该接受该投资
在教育学中,________是指儿童个体生长发育的一种状况,指个体的生理和心理机能与能力都达到比较完备的阶段。
1.03,2.05,2.07,4.09,(),8.13
最新回复
(
0
)