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
60
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:https://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
WhatdidJohnbuy?[br][originaltext]W:Iseeyou’rewearinganewtietoday,
Thatpolitician’sbehaviorwas______astocausewide-spreadcondemnationsall
Notice:Thissoftwareisdesignedtohelptheuserdeveloptheabilitytoth
在教学过程中,要实现在教师指导下,充分发挥学生学习的积极性和主动性,培养学生的独
下列表述中,不属于物权变动的是( )。A、物权的取得 B、物权的变更 C、物
既有补中益气之功,又有生津养血之效的药物是A、党参 B、人参 C、苦参 D
在寿险、健康险和人身意外伤害险中,有几类险种在2013年5月的保险赔付支
在动力基础设计中,下列嘟些选项的设计原则是正确的? (A)动力基础应与建筑基础
起病隐匿,X线表现为长骨干骺端圆形透光区,周围有骨质硬化区的是( )。A.创伤
甲、乙二公司拟募集设立一股份有限公司。他们在获准向社会募股后实施的下列哪些行为是
最新回复
(
0
)