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could we take animal as the experiment material我们应该把动物当做试验品吗？我是反方的！请大家给些论据， 为什么在线看视频有的高清视频提示说Video stream not found?就是看高清视频的时候出现video stream not found 然后就无法播放了? video stream not round:livestream的意思,:-) 空间视频怎么显示 video stream not found 松树的叶着方式是对生互生还是轮生请说明松树的类型树形叶着方式叶脉和叶形 一些叶片在茎上的着生位置,哪些互生,哪些对生,哪些轮生,叶片是否会上下重叠,有何意义举例出来有哪些,意义说清楚, 请用汉语帮我译一句话The first stamps marking the opening came out on January 25kkkkkkkkk 英语翻译下面有个选择是这样的,the sentence but they were all like rober's means,A.they were Robert’s brothers and sisters.B.they were the same persons as Robert.C.they were quite the same as that by Robert.D.Robert liked them,应该选 家乡的小河碧绿碧绿的.（改为比喻句） 英语翻译. 改成比喻句：家乡的萧荷碧绿碧绿的 The Renminbi first came out not long before the new China was set up in 1949. ._____ this experiment is not difficult .(为什么是to do 不是doing! This is 什么 want for the experiment 草（）花（）成语 成语 （草 花 ）谁知道啊? 用天真换一根烟的光阴 到底什么含义呢... 寂寞流年的意思是什么含义 Video not found 什么意识 video not found video not found video stream not found：livestream我的网络电视不能够看了,上面提示如下：video stream not found：livestream 不明白其中的意思,请高手明示. 补充成语:草( )花( ) Fe+Ba(No3)2反应不? FE和BA(OH)2能反应吗 【化学】Fe能和Ba(OH)2反应吗说明理由反应物：Fe(s)+Ba(OH)2(aq) 填空（ ）（ ）these large ones 下一句是 great The Young Ones (From Film The Young Ones ) 歌词 If one doctor doctors another doctor,这篇绕口令的断句! Outside-in,the ones furthest from your plate.翻译 we won't do that again? We can do,We mustn't do 关于大运会要英文作文。 求英语高手翻译下句子啊Because of you I never feel tired but full of energy.这句话这样讲对吗