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1、IsWeatherGettin Wr? Weatr sems geting worse and ilder sic ohrNatreis ul rprshese das. Gobl rng, hettopc of tday, is ft aken orrantt be responibe forthe hars wter. Hever， cientts，lie in. reberh,arecatouin makng hirjumnt.lese redte fwinarte nd ind ut what rle ElNioan Nia. syouead ths， flipyour eye oer
2、tte window. T skyis cear, thewind t, adhesun rilant.Or ybe not - te Nareis ful of surisestese days. Te earsa ts prig, bt theecouldst silbe winte bzr， asummerslte, r an utum oldsna nhether de of t gass p Alost n an insta，i sems， the weathershf fom oeseason toh An herevr it sings，t eemsincrsingly liel
3、y ob extre Consder whatMoer atur slung way ls ear in Ma，tyically the end wrstmnth f tornaes.n le t 4 ours, me thn70heoles o wind rmpaed thruOklaomandKanas,ing 49 nd asin mortha $1 bllion indmgeI ， a eat,a the Notheastbgan sin thuh week f te wrst drough sine the 190;256 pople ded.hs year in Jauary,bi
4、zzads poundethe U.S.rom Kasa to teAtlacOcan. April, 25nhes of snw el n r f New Enlnd. Wh sour eather gne wild? It the question eernesking,but vey tough oeo answer.lthohman scitists stil aent vincedthat iha n wid, me v b sayn auiusly, hesitatly -tat temeweatherevents re ocrig ith m fqcy thaat ny time
5、inthiscenty,evet cnsitentwithtofleof wamigwrd Glba aming is ra,sy Kevn E Tenbrt,heaf te lmate Aaysis Scoo t CnterforAtmospheric Reech n ouder, Colradohe en tempatagong p.he ke etio s: Wat tooly? Ithink wre go startfeelng its effect n t chge oetrms. Tadosnmen yo can nit weir wear nor neck f the ooso.
6、 Moher atur knw ho to hide er trckSheuls a torretia dowpurtoday anda drogt tomorrowolowdby gentle rinthe exweek T ndersa pt in natura vabiiy, yocatlok nto hesy； ouave got t tudyata.n ora hot of reaons, taisnt sy. Bu tayigup th amage In th last 2 years，hscount h been whaed y I0 biln wor o aher-elat s
7、astrs - hrricane， druhts，floods,an trnos.Thirty-it everwethr evnts occred i asigle decade, bewn 198 and999; evnentscre in 1998alon -thmos f near record. Gobay，isurance ompaesarecallng ita catasroph tren. In repr sued lt Decembr, unich e, the wdlrgest inu, orinsurr onsurancompani, noedtathe number of
8、ntural dsastr s inrase o thn fourfldsineh 10s.Earhquakes, wihar nt h-relte, au nr lfheths in thoecatstrophe；srs, foods, and ohe weather e klld hor half. I199， tenumbe of caastroh ldwide ht 5, rpssng he reoro 2t ony e er eor. Inits five-pointis f caues fo ncreased damageclims,Munih Re med oulatio got
9、hfir，lmaecane fft Critcs y wel ie upon his to diminish lmsth te ether s gettingws， bu taknoete， its a mor frghtenigpite. hnksto seing plaions in ctis d ao oastalreas，m of Eh ssengrare iving in he wong plcet t wrong ti Stil, he sttisticstergists ave oet n etree athr evets aent enoughto pove that eeri
10、s getig worse. By ther er dfiitio,rme eventsappen reqently， andooe habeenolectng sientficay soud daton enou o knowhw common tey e. o exampl, asorm th happns o cenuy mht rure twieias rth str dat odraw conclusios. T topioff， th cmputer modlscietsts useto stud climate cru numbr ona scale of cenuries at
11、 atimIealy, o ata setsthgakseral hundr yea, aysPhlp Akin, epty irector f teInernanalReschnstite forliae Prdiin th Lmn-Doet rthvaoyin ew ork.But ty justdonexst.The U. daa bak 5ears Before WordWII，itsry fficul o coe up ithodms. Wehvesmedat oeavan vent boe100， butrs nthg seulen icientists oul in ood nber，omuter esolutioisstilto coars to e ableoforct howsoething asmpeswamn mightaffet clae in spcific s h gloe Theall moun ofscn ad,
