Haveyouheardofthe"Doomsday(世界末日)clock"?Whilethenamesoundsparticularenoughtodrawourattention,thereisnowaytoactuallypredictdoomsday.Theclockisavisualwayofrepresentingthedangersourworldfacesan
Haveyouheardofthe"Doomsday(世界末日)clock"?
Whilethenamesoundsparticularenoughtodrawourattention,thereisnowaytoactuallypredictdoomsday.Theclockisavisualwayofrepresentingthedangersourworldfacesandtheurgencytoact-withmidnightsymbolizingdoomsday.
TheBulletinofAtomicScientists,theorganizationthatmaintains(维护)theclock,decidedtokeeptheclockat3minutestomidni-thesameaslastyear.DespitetheIrannucleardealthatweakenedthethreat(威胁)ofnuclearwar,theorganizationcontinuestoworryaboutthelackofprogressonotherglobalissuesofconcern.
Theclockwascreatednearly70yearsagobyagroupofscientistswhohadworkedontheManhattanproject-thatcreatedtheworld'sfirstatomicbomb.ThebombsweredroppedontwoJapanesecities.Though it broughtanendtooneoftheworstwarsinhumanhistory,thebombsalsoexposedtheworldtothedangersofnucleartechnology.
OneofthenuclearphysicistsontheManhattanprojectwasmarriedtoanartistnamedMartylKangsdorf.ItwasMartyl'sideatocreateaclockandsetthehandtosevenminutestomidnightwhenitfirstcreated.
Sincethen,theclockhasbeenapowerfulwaytoshowhumanityhowclosetheworldistocatastropheduetohumanaction.Tomaintainthisclock,everyyeartwentymembersoftheBulletinofAtomicScientistsgathertogetherandassessthebiggestthreatstohumanity.Whenscientistslookedbackattheeventsof2015.twosignificantthreatscontinuedtoexist-climatechangeandinvestmentinnuclearweaponsbyvariousnationsaroundtheworld.
Accordingtothescientists,wemaybeabletoavoiddisasterifhumanityreducesspendingonnuclearweapons,sharplyreducesgreenhousegases,dealswithcommercialnuclearwaste,andmakesagreementstopreventthemisuseofnewtechnologies.
32.TheDoomsdayclockwascreatedfor___.
A.remindingpeopleofthepainfulpast
B.correctingtimetothesamestandard
C.predictingthedoomsdayoftheworld
D.warninghumanityoftheurgentthreats
33.Whatdoestheunderlinedword"it"inParagraph4referto?___
A.Thedoomsdayclock. B.Thefirstatomicbomb.
C.Droppingthea