科学很好的进,1:农民伯伯为了把好谷与秕谷分离开来,请你帮助想想办法,一定要三种以上.2:用自然水烧开水时,能把电水壶加得很满吗?为什么?3:闪电时人们的哪些活动是危险的?怎样避免雷

来源:学生作业帮助网 编辑:作业帮 时间:2024/10/20 23:16:23
xXr"~ygw^;&ve eYUk^_Vo3*LYw 4][]}yiS͈?KsOT*3^xˬ\`A}MHێ-mCJTd!V}[&u'2u=]ѹtg*>xnU֔e&U?PV5~xO_]?=? (#PsTZu676N\ i".6 оUJՒiSAk~)XFuudgQ%CK.?o8?#u-~WT+U4 UXj_/U8W]P%agtZ%tWLJ8CgPL ޮ9g:aa~LvއfȣA>1 ?@ XSiZe۔{U vpյd-y? kEZ=˗Sl6؇[ 7p.uui׎Ô hF h1S}pkW *'i{XKϱ~@kyb͐~3Jf,ݛHCJÍW3jJͰǾ]|.*F$zo} ")Dx#crufnT-c}jTD%K8 R[SRAvh"Sy?x8ݪ2 Ճ( GBLDcWHZD'_%cp˱3pX]~8.)qQ'p![,q/@ X 7* -H2]}VKL;wP-$;Ij(&Q`BuYdmrҐKr-vd s?LÄeմD)qAзCo_ab 'fko_VSʍ9&X M:j+ ?u$8GiUnHNޓ[5OeP._ iWƾs gRUh@+BS $1?pYS=xכU`e@VU(qy-c#7`x9Pg.Ŕ?eɝĜ, upf,[5B2][9plKxm3rJ^ Q;g J:' ƶX0Y$^evΎqԠFp4[NsL%  2b Ki_& .T?I>,psH]U^,omcNjTE>hCuiɝ}rq# 5Д9T ޫDQ-TP!{DG|DOfG+Eq2)$FC$E}_FE9<(DsZo"OSC;LqOJ819bБn0"1:yvx{!q?HNa p֖Yђ!S>DNAV@wkq|j phrl<贏 CBh)GDfo%hw|4x6z\Dj1 r 2&0U iV}ܬMgof\" !8J_шSsLg6WNXs 0hzK.\;gQhiCyDI_HF7?CPB8Pǹ?XBuzHu%|En 6