四大洋哪个最大

急ing...卤代烃R-X与金属钠作用可以增长碳链,化学方程式为R-X+2Na+X-R*→R-R*+2NaX,R*为烃基,可相同也可不同,X为卤原子,试以苯,乙炔,溴,溴化氢,钠为主要原料,通过三步反应合成苯乙烯 求解排列组合的题目,高手进啊!感激ing1.将6名应届大学毕业生分给2个用人单位,每个单位至少2名,一共有多少种不同的分配方案2.某公司将6个招聘名额分给3个下属单位,一个单位3个名额,一个单 carry weight,cast light on ,come into being 的中文意思, 根能不断生长的原因是什么? 1为什么根向下弯曲生长 如果掐去一根枝条的顶尖,这根枝条还能继续向上生长吗?请说明理由.请清晰的把理由说出来 问大家几道V+ing的英语题,都进来看看（请大家用语法回答,不要提固定短语像sb sth等,否则无视）I help him_____（make）cake.用make还是making?若用make/making,make/making是什么词性?I ask him for help.为什么 组词.我们有个组合.牙膏、蛋糕、和竹篙,然后还有一个不知道叫什么gao.如题.回答好了加分.还有就是，gao组的词不能和以上的gao所组的词重复使用。也就是说。。不能用 “膏”“糕”“篙” 《芦花荡》用三个词语造一个句子：寒噤、仄歪、泅水、竹篙、穿梭、蹿、飒快点,快 树越忘阳光处生长,它的根越往黑暗的地底下蔓延.就是这样的一句话.反正就是这么个意思,越往高出,它的根也越下黑暗.这句话怎么翻译成英文.要好点的翻译. 根生长要的营养物质是()()() 吃 甜菜根的的功效和作用有哪些? She realised that words to a kid might not carry much weight 怎么翻译呀 求各个CARRY大神指教怎么做好一个CARRY如题. 用排比的句式写下你对 安塞腰鼓 的评价 第二题选相近的句子：It is four months Since Mr. Black moved第二题选相近的句子：It is four months Since Mr. Black moved to Beijing. it is four months_______i met him last1for2 when 3 after4since说出选择原因 I used to carry the weight of the world.是什么意思? 怎么分辨东南西北?分辨东南西北有什么用?不是有前后左右就行了吗?有没有什么办法在任何地方都能分辨东南西北 fast项目 是啥? Something ___ to him.( 05江西 22题 ) A.must happen B.should have happened C.could have happenSomething ___ to him.( 05江西 22题 ) A.must happen B.should have happened C.could have happened D.must have happened为什么不选A,情态动词+do和 完成句子:His_______________suggested that something terrible must have happened just now从他害怕的表情可以看出,刚刚肯定发生了什么可怕 Something must have happened on their way here为什么way后面要加here?如果只是用“on their way”有什么区别？ they must have like a possum problem around here or something.really big possum.怎么翻译啊, 好难啊!怎么写? Something must have happened on their way there,or they （ ） by now .A.would have arrivedB.should have arrived C.should arriveD.would arrive carry weight.造一个句 怎么写呢,好难啊 做这个我不会真的 好难啊 we,beef,buy,how,shall 连词成句 I think we should buy the i________ clothes, for we don’t have much money. 哈奇森效应是真的吗