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2023-2024学年高三金太阳3月联考(药水瓶)英语试题

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    1、2023-2024年度高三金太阳12月联考
CIn the endless sky,the unaided human eye should be able to perceive several thousand starson a clear,dark night.Unfortunately,growing light pollution has impeded people from the nightlyview.New citizen-science-based research throws alarming light on the problem of"sky glow"-thediffuse illumination(漫射照明)of the night sky that is a form of light pollution.The data camefrom crowd-sourced observations collected from around the world as part of Globe at Night,aprogram developed by astronomer Connie Walker.Light pollution has harmful effects on the practice of astronomy but also on human healthand wildlife,since it disturbs the cycle from sunlight to starlight that biological systems haveevolved alongside.Furthermore,the loss of visible stars is a great loss of human cultural heritage.Until relatively recently,humans throughout history had an impressive view of the starry night sky,and the effect of this nighty spectacle (is evident in ancient cultures.Globe at Night has been gathering data on star visibility since 2006.Anyone can submitobservations through the Globe at Night web application.Participants record which one bestmatches what they can see in the sky without any telescopes or other instrumentsResearchers find that the loss of visible stars indicates an increase in sky brightness of 9.6%per year while roughly 2%is measured by satellites.Existing satellites are not well suited tomeasuring sky glow as it appears to humans,because they can not detect wavelengths shorter than500 nanometers ()White LEDs,with shorter wavelengths under 500 nanometers,now areincreasingly commonly used in outdoor lighting.But human eyes are more sensitive to theseshorter wavelengths at nighttime.Space-based instruments do not measure light from windows,either.But these sources are significant contributors to sky glow us seen from the ground"The increase in sky glow over the past decade underlines the importance of redoubling ourefforts and developing new strategies to protect dark skies,"said Walker."The Globe at Nightdataset is necessary in our ongoing evaluation of changes in sky glow,and we encourage whoevercan to get involved to help protect the starry night sky."28.What does the underlined word "impeded"in the first paragraph mean?A.separated.B.disabled.C.demanded.D.protected.29.What does the loss of visible stars lead to?A.Poorer human health.B.Fewer wildlife species.C.More delicate biological systems.D.Less nightly culture elements of the sky.英语(YL)试题(第5页,共10页)
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