能够水解的官能团

分析句子成分Western people buy their friends many gifts on Christmas Day 主语 谓语. 把一个用木条钉成的长方形捏住对角,拉成一个平行四边形,它的面积比原来长方形（） 1.大 2.小 3把一个用木条钉成的长方形捏住对角,拉成一个平行四边形,它的面积比原来长方形（）1.大 2. 英语翻译the player may place one piece at a time at any place instead of making a turn.when he clicks on an unoccupied square,a ghost image of the piece appears,the player may then select a piece from the reserve and confirm its placement.if the you can p tricks on your friends 三角形里哪条线到三边得距离相等.垂线?角平分线? It is very___to swim in that river.（danger) The girl is ___when she crosses the road.(care)The plane landed __at last .(safe) We know every year the vets in the __take care of a lot of animals.(clinic) 三角形的高、中线与角平分线均指____,而垂线是____,角平分线是____.快,加50分哦 已知三角形ABC的三条角平分线AD BG CH 相交于点o ,过o点作垂线 三角形的角平分线和垂线△ABC中,AB>AC,AD为高,AE为∠BAC平分线,DE=(BD*AC-DC*AB)/(AB+AC) 是否正确?我看到某题的答案中用到了这个定理, 1.i feel like ______ (swim) in the river. 关于被动语态的问题1.The ancient Egyptians are supposed to have sent rockets to the moon a long time ago.为什么要用have?2.Everything taken into consideration,the plan Xiao Wang put forward seems to be more workable.前半句中的taken 求德语标准发音!怎么老师教的和课本上MP3的读音不一样啊,从字母开始就不一样,比如B,MP3上读音和英语读音差不多,但是老师说要读成“bei”,就像“背”的音.挺困扰我的 《标准德语发音》这本书怎么样?《标准德语发音》（附1MP3） 作 者：付天海 （主编） 出版社：大连理工大学出版社 这本书适合初学者使用吗?我仅仅是因为感兴趣而学德语,纯粹是为了好玩, The class America is almost same as that in China.but something is different中间空白处加什么?加的是冠词! The weather in China is the same ____ America.A.as B.like C.as this in D.like that in选什么?为什么?这几个词有什么区别? 哪个英文代表摄像头驱动?就是找驱动盘,装驱动时分不清哪个英文是哪个硬件的驱动. Look,the boy ______ (swim) in the river. He is afraid to swim in the river.=He ____ ____ ____swim in the river . Look!They ________ in the river．A. swim B. are swimming C. are swiming D. to swim 英语作文（初中+高中） 写作方法指导其实我就想要些比较常用的词组,单词,好的句子我初三,通常都是些议论文或记叙文我不知道连词该怎么用 还有标点符号怎么加怎样突出主题,题材新颖些 被动语态的问题小弟初学新概念,Question1.Someone tells them 改成被动语态 They are told Question2.这句 They are told 句子是已经完成的句子吗?我总觉得很不合理 如何后面加个人称代词 比如 me you 的 句子 有关被动语态的问题His mother bought him a new coat.变被动1.He was bought a new coat by his mother.2.A new coat was bought for him by his mother.但是第一句He was bought a new coat by his mother.我有点看不懂,可以这么变吗? Look! The girl is swimming so fast. I___she__swimA know,can't b knew ,can't c don'tknow,can d didn't know,could 被动语态的问题讲到飞船发射时,要不要用被动呢?the spaceship lifted off还是the spaceship was lifted off?如果Lift off换成launch呢? 有手机软件能翻译英文吗?（写作业用） Let's_______[move] the picture and the lamps. 翻译：看到绿色“行走”标志时,我们可以过马路 _we see the green"walk"sign,we can _the road. Nancy非常感谢你 用英语咋说 The boys have a ping-pong club.改为一般疑问句不但要改还要教方法.和否定句 shhhh怎么读音标怎么写 明天我陪nancy过节 翻译成英文怎么说? She works in a hospital 改成现在进行时