恐龙是怎么样灭绝的?鸟类是恐龙的后裔吗?那是怎样变成的?

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/18 17:15:51
xVn"Wy/yy"u2i%%yT K` EPL+ѩsY?Oξۗ<^7db򋅈gWSEd0q`J'<[&_~wvy?$꜕+:Tїt߳D !xxr,3 a~ʉb֤~1~o8vf0 }Ǖ%'YPuh<[P{HfnDj-D\8k6*Pk*v8ܶwq -=:Z"!,-`}( [f*OF^)BMfd#:k0[wshi{GXx%g6ʄ 7te{2(ћה/ӿ?}_prZ,ǞtH/NM7O Q|7>leKM.l2>Oe ox opv@qc~x#'mu΀V^uR1 S TNsrt\D=GOy2N FZn|GF.pꄥgbiR/6q,k*d E`;?=\c_,aKY<BkVwI< $7Ipa? 5帋^"YEl!ޤg uڄ-mnVۈ$ G͚qd?a[1p~N1꧌ZA`tBU 8:B$+Vk|W1DC(' M 6b*(&Nqi;tlfx/r', C4%`zXyzC$i}Л`#񣚱D>S"V|%1cV³b~bcM~XsI('5QW}0}C^sJ]v@+ܜY&X[yRzPQrתNO ;AN \?pr I^바Y(^h,Y 3iQ|fh8]Ǒ^H6Xxu) &alB˸l4!iH0 [_r=)Jiұ^E#iJK:5ΪXה;)Rgϲ](c fr@F}Zo)națej⢇h^=G{}^-0{K6 c+P$.a^.fr$<5dy%^N$ѫ`GƖsfP,#C/snqңXHO}ה6/0ZahԔH:C)7a/K>Σ?Fa.]~~o t-$g1|~ ܱt4z:&GEN&jn3y("|DbLMŵthJޑ-ʣŞ^OS KRBMuu(ҝ-jXxV? +.Gw^-Tcn p}N;aqwK8o^}