地球的历史有多长?

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/16 13:28:13
xZYS#W+~a_&v= +L$Њ6 IH@bцT )%1?̧ {2S*cf^]AP{ιgΒx(TfSmTXoe!&*G۹7_+U5X^5c싹߼Kg }4> retTklNd͞oe". gMmwD:n `.oN m/hlB5{WrDG$,H[2] g1$jidS[+kt#%Dgtsu8(~Ǚ5Vcm/^ݾh$^dIgDdu,O8>.bzEdRZU;+iqؾJ؛#G"c Lg2w']eX,<[YΞȏTRe¢~!w"ROwm# x lqKvr"$ j> Q~OOfoD{O u/4γ,`8d^Y𲪾Kt"61kT)+uQ oI8h/,?_ylmkHbR,_X]#vKt;8 #$؋gמ{Llc L^z_AŪOۘ>} Mh"^9l'?:Jde~? yQ?s pWu\ЂdN$rw[boE^#$0'ܟχ^: ?KbP9tLE̊:["z b;`d͘B DݔhEee)aW)Nv yv/KbOY8 Z"e:(Zc9@m3 R0|Ϫss>HAJ>6ihZ<2%M-S޸ʻ[ػ hhE:`XY97lSȭ)BDvNiԐ|ς/4;V1&}ā9]nډ}J0q~hlU #X0q!E?T "Uw@e>.sR:Uxd#,Z#D*$ 2^b.B2@Q`E-Ez"Bdv&$LeӥG J2VVVde.juM H_К]<}n:^P܇wՕǤ,T,‹$S` "zxkkVfħ lg(\ONM7X_21A *LDC'z`7PB*[iq a@ HҹH\CsS<0 >K)T. ]iı[p/ϓS{ɆSg¦B94eT<".IsR5 \3swa|Yux=#îdw`SKMUAߞ_< 8鞞">s9wײsa2?XǵnqlDȖٲs5\ڊJʑJK@ ]t@Qhp0:Qڤ,FDMU{ìϐ=]1-eع݉Rp,> *u6Tp,j@Up:.jG4Y ]؇4`RTjɗ:49sh,8ᢏ g_% muwERMqU,70 uj-2[Xfc!myoЀ2f'o}lSL2@)WV[ksna;DiR .T"٥Z\prة:j2J0g|M0 :5kA.k $^x pcPÔ"V3̋huL|V!jQ/o`/kQ;B;PavajϮ Z_3ZI=+/ y@F!=h~uZk(@YQ˃]Gkx1ȩ]Z] iL 8śOΩh) |!KG|HQAǗJB@*ױUUFbdpZs vg=(n}X񶺍 - S^=霺}q $q\RܢJ|(Zwc^n%id' [ÛfqgW"SB3Ə&#H9U_s~T{ W{Mz:~ģ Ƶ7яMv)܈jg>E22lU U;ׅuY@Ao0 |({%\O'<yWW@?Ț3ahO\^Ba,ˤeA#e+Oѧah k+$IةD2okLZ!QtQA Sv45:"b n}1Aϗth>8~F,\ {ԄF2Cy;?:D[|RƜ& _* nq-(^QMDԧ ? MT /=z^{˓d)y< 5w,$~eIӜ_x| ^`"nt#3*#=1B%FT:@Ǐ iPA&o<ᖼg'Kϝv:pVтD^{]+۱Gc0WB4^t7".UZݒ=svE Nhj-s]GJ ­` S $I9^#v|Ftr>;-$W\RۦW:P W+Pg@=%b:^!|N$_ÑzkrL>8n +0GJ[Tֳ(&1{_GQ\8>h2Vӕ;BKKƉ%]e YLض8F)dꋅsFwV֙pǃna)?^>\z@rNZ@Dv@@+n&ZNqO G}:stL H<2M;*BAl͐lDÉr*'͡S{:7܈CEN!!S1&t;SC<.xŁ$o+8/=,j  Hņ_$SIT7Zr"0#&iJпӛ[׳^mcn3Zg3߬yqfog7_i~Yznog7/_{έ YxgkK6Awae~^ۿW˫/7//Z_~Wk ?oR>1_/Vtô