对数螺旋线

at one's disposal求翻译 含花和木的词花和木的词语 蔡元培的生平 求蔡元培生平趣事?真实有趣客观反映蔡爷爷的优秀品质的就好 练词填空he told me__he had finished everything he came out and told us that the work_____.Afinished Bwasfinished c hadfinished Dhad been finished 求助辅音发音/z/和/ð/All the memories that burn.memories的最后一个音为/z/,而that的开头一个音为/ð/,英文歌中没有把两个音都读出来,这两个音连在一起到底该怎么读. /ðz/和/z/发音有什么区别?打错问题了,应该是/ðz/和/ð/发音有什么区别? He denied telling me he had told me.怎么翻译? He told me he had finished it.为什么用had不用has今晚就要，明天考试 either后接单数还是复数我记得好像要根据意思侧重来区别 operating instructions是什么意思 一个金属块挂在弹簧测力计下端示数是089N若把金属块浸在水中此时弹簧测力计的读书为079N求金属块受到的浮力和金属块的密度（取g=10N/kg） 请问耻辱的事情应该尽快忘记还是该牢记 get well he was so surprised that he couldn't believe what he had seen同意句he has____surprised_____believe what he seen if there is not any chance to change the result from the beginning,just let me forgrt the all.是明确的 you got a 怎样区分混合物、氧化物、单质、纯净物和氧化物?急!~\(≥▽≤)/~谢谢啦. 蔡元培的办学方针和巨大贡献是什么啊?如题 蔡元培是谁 分别写出5种纯净物,混合物,单质,化合物,氧化物,和氧化物.不要重复.尽量都是常见的.抱歉。最后一个是含氧化合物。跟氧化物不同。 开发部 翻译成英文（做门牌用）! 有《我爱茉莉》这么一篇课文吗?内容? 玩雪圈的作文 he told me he had a talk__A gives B giving C to give D gave 选哪个,为什么啊,水平 沣峪庄园滑雪套票145元+雪圈是什么意思 He told me he had had a breakthrough.这两had有什么作用?作什么成分? no one but a fool would readily lend money to a person who （is） known as a frequent gambler.括号里的is 没有错,但难道不应该和前句的would保持一致时态吗 乳清蛋白质粉能不能用矿泉水冲着喝 夏天就外面卖的普通矿泉水 温度可不可以 蛋白质在几度下会被破坏? “小大之狱”中的“之”是什么意思?只要“之”啊！