首页
登录
职称英语
It is an unfortunate fact of today’s life that most people are growing up un
It is an unfortunate fact of today’s life that most people are growing up un
游客
2024-01-15
68
管理
问题
It is an unfortunate fact of today’s life that most people are growing up unable to see the stars. The prime night sky exists only【C1】______pictures. This is true not only in cities and suburbs, but also in rural areas. We have lost our view of the stars and【C2】______Our nighttime environment as well.
Such a loss might be acceptable if light pollution were the inevitable price of progress, 【C3】______it is not. Most sky glow is unnecessary. It comes mainly from lighting sources that do little to increase【C4】______safety, security or utility. They produce only glare, costing Over one billion dollars annually in the U.S. alone.
【C5】______science, the impact has been even more dramatic. Scientists require observations of extremely faint objects that can only be made with advanced devices at sites【C6】______of air pollution and urban sky glow. For example, some images of the objects can offer information about faraway corners of the universe, helping us understand the way in【C7】______our world was actually formed. Therefore, the light from these objects can be lost at the very end of its【C8】______in the glare of our own sky.
Reducing light pollution is not difficult. It requires that public officials and citizens be【C9】______of the problem and act to counter it. As individuals, people can help reduce sky glow just by【C10】______lighting only when necessary.
The stars above us are a priceless heritage. We must do our best to preserve it. [br] 【C4】
选项
A、nighttime
B、lifetime
C、peacetime
D、longtime
答案
A
解析
词义辨析题。题干大意:其主要来自无益于( )安全及夜光应用的光源。根据前后文的阐述.人造光源造成的光污染应该是指夜晚的光亮,所以只有nighttime(夜间,晚间)符合题意。
转载请注明原文地址:http://tihaiku.com/zcyy/3365633.html
相关试题推荐
Don’trisk______thejobwhichsomanypeoplewant.A、losingB、toloseC、lostD、
Todayanyonewillacceptmoneyinexchangeforgoodsandservices.Peopleus
Todayanyonewillacceptmoneyinexchangeforgoodsandservices.Peopleus
Todayanyonewillacceptmoneyinexchangeforgoodsandservices.Peopleus
JosieMaranis(very)popular(among)youngpeople,whoregardher(as)(moresu
It’sinterestingthatthearrivalofsnowhastheeffectonpeopleindiffer
It’sinterestingthatthearrivalofsnowhastheeffectonpeopleindiffer
It’sinterestingthatthearrivalofsnowhastheeffectonpeopleindiffer
Throughouthistory,peoplehavebeenthevictimsofpickpockets.Today,pock
Throughouthistory,peoplehavebeenthevictimsofpickpockets.Today,pock
随机试题
[originaltext]Shouldn’twelistourproduct’spricesonourwebsite?(A)Thepri
Forthispart,youareallowed30minutestowriteashortessaybasedonthe
______yousay,hewon’tlistentoyou.A、NomatterwhereB、NomatterwhatC、Howev
[originaltext]About5,000yearsago,theEgyptiansandotherpeopleinthe
设A为3阶矩阵,将A的第2列加到第1列得矩阵B,再交换B的第2行与第3行得单位矩
共用题干 Thefirstnavigationallightsint
我国的合同法规定的违约责任承担形式有()。A.定金责任 B.采取补救措施 C
担保的补充机制包括()。A.只能追加担保品 B.只能追加保证人 C.追加担保
痰留经络筋骨,可见A.肢体麻木 B.阴疽流注 C.咽中梗阻 D.瘰疬痰核
钩端螺旋体病凝集溶解试验阳性效价是A.1:100以上 B.1:200以上
最新回复
(
0
)