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树里的白色液体是什么我做不来 有白液体的树是什么树有一种树,一摘下叶子,叶茎那里就会滴液体!快! 樱桃树上的白色液体是什么? 为什么梧树叶子会流出白色液体摘下梧桐树的叶子,叶子里面会流出白色液体? 30天可以背完四级单词吗 英语翻译翻译下列句子1.直到有人叫他,他才抬起他的头He ( ) ( ) his head ( ) someone ( ) hm .2.他突然注意到他的妹妹不见了.He suddenly ( ) that his sister was ( ) ( ) ( )3.麒麟象征国家的平安.The qilin ( ) ( ) t 求助英语句子理解.“He falls head over heels for someone again"怎么理解fall head over heels for someone? He saw us when we called him.(保持句意不变) He___ ___us until we called him.划线的部分应该填哪两个单词 Someone in the crowd called out his name,but he couldn’t see _.A.whose B.who C.where D.which ---_______?---He fell off his motorbike and hurt himself.A.What did Mr.Zhang happen B.What happened to Mr.Zhang C.What was happened to Mr.Zhang D.What happened for Mr.Zhang 1.Tong fell off his like and hurt _____(自己）badly .2.Help _____(自己）to some orange juice piease she said to her friends.3.Don't leave the little gril all by _____(单独).It's too dark here.4.Grils like to look at _____(自己).in the mirro We didn't do it ____ they do now.A.like B.the way C.by the way D.as the way 请问选择哪个?为什么? Nobody watched TV yesterday,_______?A) did he B) did you C) did she D) didn't they 【转动惯量!】 有的时候用平行轴定理,有的时候不用这是为神马!I 若有任一轴与过质心的轴平行,且该轴与过质心的轴相距为d,刚体对其转动惯量为J,则有：　　J=Jc+md^2 好.现在有个模型.一个 有一种水草每天长一倍,到36天时长到36平方米,那么第（）天时长到18平方米 有一种水草每天长1倍,到12天时长到36平方米那么第10天能( )到多平方米? 月亮如果不是天然光源,它是什么光源月亮的光是通过太阳反射而形成光亮的由此推断他不是天然光源不是天然光源人造光源也不是那它是什么光源 如果没有自然光源只靠人造光源的话地球会是个什么情况?那人造光源需要维持什么样的特性才能保证生物生存 或者说什么样的生物才最适应人造光源?如果切断光源会有什么后果? 有一种水草每天长一倍,到20天时长到72平方米,那么第( )天时长到9平方米. He waited until she had finished speaking.怎么翻译? when she finished ______,she began working for _____(选择题~）when she finished ______,she began working for _____A ,a school , newspaper B.the school. the newspaper C.school, a newspaper D.schools, newspaper. she broke in with what she had to say before i'd finished speaking这个句子怎 When she finished__,she began to work for__.A,a school...,company B.the school..,company C.school...,a company D.schools..,companies 一种水草每天长一倍,第36天时长到36平方米,第（ ）天时长到18平方米 how did you feel when ___ your team didn't win?A.hear B.hears C.hearing D.heard选哪一个,请说明语法知识点.谢谢 谁知道带梁的成语? 我也喜欢法语,用法语怎么讲 I didn't get up until lunchtime.他有didn't为什么说“我只到吃午饭的时间才起床?” we( B )go until we( )it backagain A.don't,got B.won't,get C.didn't,get D.won't,will get 为什么? won t的用法 won t与didn't的区别 太平公主是谁的女儿? 太平公主的女儿应该叫什么论时代郡主?还是什么的