系统误差具有的特点为

engelish（英语） 学习（learn）的(and)问题(question)1、hight和insight后面的ght全部只念t.而为什么g就直接省掉了……还有一个念s的：有两种一种是tion另外一种是sion念的都是一样,但我以后怎么分辨 His sister left home in 1998,and has not been heard of since.请问：AND后为什么不用“had”? his sister left home in 1998,and _____ since.为什么用has not been heard of 而不是has not heard of His sisterleft home in 1998,and___since.为什么填has not been heard of而不是has not heard of? 选择His sister left home in 1998,and ____since.A has not been heard of B has not heard of 个性签名 没有任何标点符号 15字以内. 求十个字（包括标点符号）的个性签名, 不带重复字的!拜托了各位 谢谢 写景片段及点评要文笔优美的写景片段.并点评写景的作用. 写景的片段及点评 英语翻译i think you look great as you are 翻译it s the same in china 翻译这真是件令人感动的事 没有什么比健康更重要 翻译英文 将but I am glad you are feeling beeter翻译成汉语 no question of A.such; that B.even; which C.so; who D.too,whomSome drivers drive ________ fast that they make people ________ are trying to cross the street afraid. 求英语近义词工具书感觉单词背太多了.好多近义词同义词背了却不理解意思,有什么英语近义词同义词词典,或者背单词用的那种词汇工具书中包含近义词区别及用法的.我要的是书，不是电子 给我推荐一本考研用的 英语近义词辨析 的书,谢谢! 有没有关于对外汉语教学方面的专门的语法或近义词比较的书. 求翻译：What's d best you can? I'm the best there is at what I do,but what I do best isn't very nice这啥意思?金刚狼啥时候讲的?能给个漫画集数之类的吗? but,can you do what i ask you?翻译 图书批发的近义词是什么 请推荐些关于近义词的书书名 能书善画的近义词急 I am losing in my way.Just want some rest,but i can't,what should i do?求中文翻译 填空题 i find my key ___(miss),what should i do? 有首歌,开头是It's all because of you,I'm feeling sad and blue 男的唱的,跪求歌名和歌手名 闺蜜网名3个人 带有雪字或者是带有雪 凡 瑶 这三个字 尽快回复 It's all because of you, I'm feeling sad and blue您发的,能告诉我歌手名字和歌名吗?十分感谢您了! If you are sad,you are feeling blue.的正确翻译,急.正确的,错的不要,跪求.5555555555 这是交的作业 老师说有错误,但是我自己不知道错在哪里.1.There are too many people are worth helping by us in the world.As long as we more concerned about them,they will be happiness.The key is you should pay action.2.Life is like "再也不会有人这么看我了“,这句话表达了作者怎样的思想感情?快急! How much do I have to____this dictionary?-Fiften yuan.A.cost B.pay for C.spend D.take My football team is the ___（good）mtllt world