电解氯化钠制氯酸钠

I feel r____happy. 请问：scale mixtures是什么意思?Chebyshev-type inequalities for scale mixtures 以上那句英文是有关切比雪夫不等式的论文,但是在题目中scale mixtures是什么意思呢? he was a scale one在这里是什么意思呢?scale在这里应该怎样理解?Let's have a look ...five hundred and thirty-eightpounds seventy a month ...Oh,sorry,he was a scale one,so that's fourhundred and fifty-seven pounds sixty. 越简单越好,（50字内）超过不要! 商周青铜器的特点和用途各是什么?（*过于简单不行） she just sat there,___in depressionA.sunken b.sinking 为什么? 商周青铜器的特点和用途（简单一点） As she sailed away,I sat there just watching. 商周青铜器用途 price New price scales are being prepared this week. POCKET SCALE The computer is (in on for out).You can do your homework on it. force my house is across from the park(对划线部分提问：across from the park ) ecosystem-scale什么意思 I feel happy.同义句 that made me to feel very（）填空里填happy ,还是 happily （talk） with your （partners） （or） write your （ideas） about it哪个括号里有错?怎么改? What's behind the house?_____a tree.A.There is B.There are C.Have D.Has there is a big old tree behind my house和there was a big old tree behind my house的区别 There's a big tree behind the house用划线部分的反义词组完成下列句子[划线的是:behind]There's a bing tree ___ ___ ___ the house Can you tell me how i can turn on the computer 同义句 I sometimes usa a computer to write my homework ___ ___ __you use a computer to write yuor homeworkI sometimes usa a computer to write my homework(对sometimes提问）___ ___ __you use a computer to write yuor homework Can you tell me hou I use the computer?改为同意句 Can you tell me ___ ___ ___the computer? 如果有人说她要去度假了,是用That's OK来回答还是用Have a good time来回答? I feel pretty unpretty 中文翻译,不要软件翻译版本 i have my hair cut,i feel pretty good 声音的种类有哪些 声音的种类? 音频信息包括哪些声音种类 1.I try my best to w_____ the final prize 2.he use a knife _______(open) the door3.my teacher will tell me about the mistakes of my homework(提问)_____ _____ _____ your teacher______ _____?快!今晚回答加悬赏分 The old man has（ ）lonely since his wife left.A.been B.got C.become D.turned选哪一个?为什么?