地球上到底出现过几次人类文明?如果出现过,那些文明发达吗?如题.那些文明怎么就消失了呢?是因为战争还是别的什么原因?

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/26 01:47:32
xZn"ٖ߇YyRշt@`'fldH /UqNDACWt  iU/Ye/'R?e肪V9h%} }. sBJ  bRkC fJC`qk*CHnW g[w5;F;i.ndXi)N&*hFl80҇WS}byOՌpp_1h^'*=M/Y{(~aˊ_s|Ynzc]Us}|TɶIyFaF%4kB#Git,KBXnUiW'}H?QzZPjFJ'O0kjz7 Bhɫ[QW)yK+ۻbj+fB^22nbm2NĴ]k\lܨɶfi ؍xLݯLMX*Q ɪ."L6{5UrH9g̋hrb u(W<DŽcJ@IF*jv &ǂB6jY2W.n"ISL̽F2.aջK 75IXQ@?mz}nʑLet%;j1`?+c7HLN|ۈyq2 PAg[{Ck6n/iSݔYIh!SR! FEf4ݝ؎s>Z &#`yF#ԗ^)[5mr%? ~Z;sg>+=Lͣ݀?%ehܽk?{0j.ӔMʼ#]#CtCaP`o/1.]2)!}6ᖙX KO@)Fgz?K(9"uFֻlnV洈p!+֦:Z-v%v™)&Tڿ (؅(P5v@J9c?ClR: `FB,gzvJ:|rslpځ3d)o,*al`hʸqZ{ mkm2Bi* ŊPB:gƪwf$[%yK1itPF[?UCB?'aGTwAH u$qTuJ:dYz2׀3$W W҉R F!QD??~]8Ȓ w>Ҵgis)[HA/S6!L>؅`Z3jզ׻{_[n,L1?3ѥQ \FπP*zisF:7Ǣji1o `Ӆt=M %R> ;rON~B)nEp0_24"15 T!ң>YOnz^pm[MΜLD; }gץ J8L7E#ov˭*95n[#n[ 2wkD.s8 BDtf&±l^? D^/C?UBFo5h77y8 k*hџJ1µ_ATI4z<_eI^gR喳?GJ7@1H۪d?>vk+U2OSMVռC5XwbEf]T[ !{GXŋ[>MI" hVv !̒!z$z#>MF!čmDƔ !@U@$fd!12;^.L>Sr*$TB sWLe,7-p\]o 64Ɨ5 {&  ^Ö-#ΌyͲ.N)7{3d(84Z4e<Ze}N(&k1Biw*-Cb\{Fͮ3Lz >]޷,#On.TuvĔ\z͡4?&`I&}9օHq7=@q|̩~6NrɱYB{)mh6"7 <ْVM` ?lKf 3bj5T(Nv9;@αTr¢^#Q^DnIk-d|ǫGЍ#շBb\Yd!7=*p?uc58gu ?`W'QPfL9hEYvJ>PGbPŦ l̦ p -4-N7I5H[89ls ({_7RZ۟PXA#:]g ddv;r|:MlLx/fWr}e2c|{bFEz$%&T1DA_c k~-%MbV>;6 r/;$`7c&9n4yǤݖ.v؆7*)؜Ol*mvwi!3IWM6BưORm#W8@s