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
30
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
【8】
选项
答案
G
解析
此处应为形容词。从该句中的as well as可以推断空白处的形容词应为贬义,表明汽车除了排放出一氧化碳外,还排放其他的有害物质,因此本题答案为poisonous。
转载请注明原文地址:https://kaotiyun.com/show/hWr7777K
0
大学英语四级
相关试题推荐
LudwigvanBeethovenwasoneofthegreatest【B1】______whoeverlived.Hethoughtthatpeoplecouldbefreewhentheywrotemus
LudwigvanBeethovenwasoneofthegreatest【B1】______whoeverlived.Hethoughtthatpeoplecouldbefreewhentheywrotemus
LudwigvanBeethovenwasoneofthegreatest【B1】______whoeverlived.Hethoughtthatpeoplecouldbefreewhentheywrotemus
Thisisforpeoplewhoareinterestedinadoptingalow-fatlifestyleorforthosewhoarealreadylivingalow-fatlifestyle.
Thisisforpeoplewhoareinterestedinadoptingalow-fatlifestyleorforthosewhoarealreadylivingalow-fatlifestyle.
Thisisforpeoplewhoareinterestedinadoptingalow-fatlifestyleorforthosewhoarealreadylivingalow-fatlifestyle.
随机试题
以下所列机场中,属于干线机场的有()。
喉上神经内侧支损伤出现()。
男性,56岁。2年来消瘦、乏力,近5天来发热、嗜睡,1天来意识障碍急诊入院,既往患乙型肝炎多年,吸烟史20年。查体:T37.5℃,P86次/分,R20次/分,BP120/80mmHg,神志不清,巩膜轻度黄染,颈软,心肺检查未见异常,腹平软,肝肋下未及,脾肋
电子线穿过物质时
男性,25岁,2天前不明原因地出现干咳、胸闷,继之气喘,静滴氨茶碱无效。近3年来,秋季常出现发作性咳嗽、气短。体检:端坐呼吸,发绀,双肺呼吸音降低,有散在哮鸣音,心界不大,无杂音,脉搏120次/min,有奇脉。如要明确诊断,最需做的检查是
诊断内分泌疾病,下列哪项较易于确定
系统性红斑狼疮的临床表现主要是
“五四”时期,()率先提出“非把知识阶级与劳工阶级打成一气不可”的口号,并与其他知识分子一起倡导和发动”到民间去”的运动。
以下()选项属于多媒体技术在影视娱乐业方面的应用。
WhenIwasatschool,my【B1】______wastobeapilotintheAirForce.Butmy【B2】______wasn’tgoodenough,soIhadtogiveupth
最新回复
(
0
)