嫦娥四号发射意义

But you must wash your hands first.这个句子对吗? 关于the ways to study English vocabulary 的对话 德语Bitte trinken Sie viel Wasser 怎么读 德语里的trinken是被动语态么. We Stand Alone Together 我们孤胆我们并肩 WE STAND ALONE TOGETHER怎么样 You not alone together we stand You're not alone together we stand I'll be by your side you know I'll take you hand alone stand complex是什么意思,alone stand complex是什么意思.攻壳机动队的英文名字,翻成中文啥意思啊 买两种布共138米花了540元其中蓝布料每米3元黑布每米5元俩种布料各多少米 you,to,dinner,your,need,wash,hands,before连词成句 you must ----wash your hand---- before dinner就划线部分提问 英语作文study abroad 口语能1分钟到2分钟读完的 容易记住- - Wash your hands ______you have dinner.A.if B.when C.before D.because 请帮我总结下study abroad的利弊 请帮我总结下拉,英文的, 参数方程化为普通方程 x=（t+1）/（t+2） y=2t/（t+2） Wash your hands＿＿＿you have dinner.A.before B.but C.when D.so 还有几题：Early men found fire very＿＿＿millions of years ago.A.use B.useful C.useless D.usesOnly a quarter of the Earth is＿＿＿.A.oceans B.land C.forests D.seas study i want to study abroad in Europe,i don't know which country is better,i want to France,but i don't know how to speak French.and if it is expensive,it is not good.i want to know UK(England) if it is ok?how much i should pay for?thank you!please answer 一个正方体木块,表面积96平方厘米,把它据成体积相等的8个正方体木块,每个小木块的表面积是多少? 一个正方体木块的表面积是96平方厘米,如果把它截成体积相等的8个正方体,每个正方体的表面积是多少? 海水为什么是蓝色的?为什么是咸的? 海水为啥这么蓝,为啥这么咸 为什么天是蓝的?海水是咸的! 为什么天空是蓝的,海水是咸的 You ____ wash your hands before meals.It's good for your health. A.have to B.must 答案是B 为什么? Next,cut and put them into a pig bowl. x=1+2t（参数方程）x=1+2t直线 （t为参数）被圆x^2+y^2=9截得的弦长=?y=2+t希望用参数方程的方法解 Cut up these apples and pears and then ___.选 mix it up 还是 mix them up .教材八年级上册第七单元3A中 将所有的水果切碎后进行搅拌,用了IT.这是不是也用IT呢?请给正确的解释. Put the strawberries and the sugar into a bowl and( ) A.Then;Finally B.mix them up C.mix it up 将一个底面直径为10厘米、高3厘米的圆锥形铁块,熔铸成一个底面直径为4厘米的圆柱形铁块,圆柱的高是多少这是一道数学题,我有点不知道做,希望大家能帮我解答出来,写实最好把解题过程写 把一个底面直径10厘米,高3米的圆锥形铁块,熔铸成一个底面直径4厘米的圆柱,求圆柱的高.KKKKKKK对不起，3厘米我打成3米了