当孩子问“闪电为什么有红黄两种颜色”

来源:学生作业帮助网 编辑:作业帮 时间:2024/10/14 09:16:07
xW[rX]K+WUTg3%02`1Wa`[H<ҭWmaN t3Of<8\wG˿^t;Wͷw?lԴ {}_^|zvxC'bSwYԢyY޾[ԁD;smXUٛF 7hNI!js1>*RfUB$ǖ,^B D}1qVxVK|[]3>L>Alp1лQ2\>2gU ]_LNԽ-/ILёZԬ[Nnf2[)G=Sv} Tu'}XDmf-6MgyiO}DKQ}MN7&rr)^b?q-jTpH8A_bk5 ^ p8*]k$#ݭqc@3e w$ҡ)*(^.|[|Tc ѫ~GsY4R E bٓɼADD J|#$[i^Pxۢn՜ip/K<*.囥?q>R}A)7!5TC@ӲhSP\ q2%h*B X.!컨W˥Ebe"_sD=n=>W p.Q:DIq]JF9\]ğ=9I.=~xP'بnT0U(燡* /)v Z4KN /78z+Y!?8ǵK{LnF!\+Z(1ͺ<"sZm> \#5mAمb wWHF >噋%9mM$`SUl72!3g]|l.zǷhQ<6DGEm4g?(KJ'_!&^GR-ў=֥Mp-ZFpy >F+aa|hץ8 YI Wf0װS \NUSjzʍq75}cpyqPA.aILc'GdTRt8Mo$je$BgYJnO4.6|0PxE𩇣(deRt]fDmF3?܋̊6WN _6Vd$- ~'D5$# XM4Q2 5L;ħ5!etYdXJ'[qiVDdfJnc8H@gJ ;'4ߔA `(&`ձ譒!Q!2S^'C$$ H-RK t#!k}S|q\a|K-{b5ES0MFE1ї)ޟJBu7ԩ:=[Oǟ5Z