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优发国际_优发国际官方网站_优发国际pt官网
作者:liaomeng 时间:2017-09-25 13:52:44 更新时间:2017-12-15
Bats 'tricked' into flying into buildings 优发国际_优发国际官方网站_优发国际pt官网文字稿一项最新科学研究发现,那些有大面积玻璃或镜子外观的现代建筑对蝙蝠来说是“潜在的危险”。科学家呼吁人们对该状况进行持续性监测,特别是在蝙蝠大量聚集的地区中。请听报道。Batshavearemarkableabilitytoflyathighspeedsinthedarkwhileavoidingobstacles.Yetthenumberofinjuredordeadbatsfoundnearbuildingspromptedscientiststoinvestigatetherisks.Experimentsandobservationsofbatsinthewildsuggestglasswindowsandmirroredbuildingscreateablindspotfortheflyingmammalsbecauseofthewaythesesurfacesreflectsound.Batsmakecallsandlistentothereturningechoestobuildupasonicmapoftheirsurroundings.Smooth,verticalstructuresseemtotrickbatsintothinkingthewayaheadisclear,increasingthechancesofcollision.ResearchersfromtheMaxPlanckInstituteforOrnithologyinGermanysaymoremonitoringisneededtoassesstheimpactparticularlyinkeyhabitats.词汇表remarkableability非凡的能力obstacles障碍prompted引起了,促使了investigate调查observations观察mirroredbuildings有大面积反光镜面的建筑blindspot盲点reflect反射echoes回声sonicmap声波图collision碰撞测验请听报道并回答下列问题。1.Wherewereinjuredordeadbatsfound?2.Whatmightbethecauseofthebats'collisions?3.Trueorfalse?Batscanbuildaninfraredmaptohelpthemnavigate.4.Whichwordinthetextmeans‘thestudyofbirds,abranchofzoology’?答案1.Wherewereinjuredordeadbatsfound?Manyinjuredordeadbatswerefoundnearbuildings.2.Whatmightbethecauseofthebats'collisions?Buildings’glassormirroredsurfacesreflectsoundandcausingconfusionfortheflyingmammal.3.Trueorfalse?Batscanbuildaninfraredmaptohelpthemnavigate.False.Batscanbuildasonicmaptohelpthemnavigate.4.Whichwordinthetextmeans‘thestudyofbirds,abranchofzoology’?Ornithology.
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