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Which word best dre uA.Modern.B.Lasting.C.SafeWhat can be the best title for the txt?D.Simple.A.Africans:Living a Moving lifeB.Africans:Brave Peope in the WorldC.The Masai:MaintainingTraditiona LifestyleD.The Masai:Rich People Settling in East AfricaDnglyheirnight sky are disappearing ew because of ligntpoa new study.Outdoor lighting from street amps,office buildings and hicheaonds toskbright,which is when the night sky gets brighter.Thebighthe harder it is to see stars and planets from Earth.edChristopher Kyba,an astronomer with the GFZ German Research Center foveOrceosediences.1edhsteamsudying50.0o0starobservationsbetwean201land2o2.“iticbrighieningofthenightskycontinuesatthecurentrate,”Kybasaid,“achildborninapleeererre vsibeil bebletoars by the tme ereeeTheis isobal but particulary North America,wherefcannot see the Milky Way galaxy().This huge group of billions of stars should looklikea wide strip of light in the dark night sky.However,only very remoeplaces,suchas theSahara Desert and the Amazon rainforest,have a truly dark night sky.Light pollution makes it harder for astronomers to study stars and planets.It also causesproblems for animals.Animals active at night like bats become confused and crash intoobjects.Turtles that hatch()at night need moonlight to find the sea,but artificial lightscan confuse them and make them head inland instead.Birds in cities often wake up and startsinging earlier than they should.Human lights also cause themselves to produce less of achemical called melatonin(褪黑激素).This can lead to sleep problems,headaches,,tiredness,and mood issues.To help,scientists want to raise awareness of light pollution.Theysest that peopuse oudoor lighting that auses ess light polion suchas motioiv ighs thatswitch on only when they're needed.32.How does the author lead in the topic of the text?A.By asking a question.B.By referring to a study.C.By making comparisons.D.By showing experiments.33.What can be inferred from Kyba's words?A.Light pollution is becoming serious.·23-526A·【高一英语第6瓦1共101