芜湖伟星公园大道二期

LED色坐标怎么看色温的,比如色坐标是x=0.295,y=0.32.它的色温是多少呢? 想学：坐标、色温、显色指数含义,把“色度学基础”,我 q123718983 EMail：shicai_147@sina.com 这些国家的名字的英文 国家的名字.要中文也要英文的帮个忙.写出国家的名字.知道几个写几个.多一点好了.20个左右吧.= =.要中文的也要英文的.还有各个国家的首都的中英文也要写出来. last night 与yesterday的区别 多项选择：以下是一般过去时的时间状语有（ ） A.yesterday B.tomorrow C.last year D.three dayes ago 英语有好评 .I don't know if he ［］,if he ［］,I will英语有好评 .I don't know if he ［］,if he ［］,I will tell him.A.comes ,comesB.will come ,comesC.comes ,will comeD.will come,will come 知识用英语怎么说 —— —— you know,—— —— you will find you don't know.要填四个单词 现在完成时的问题,-Where have you been?-I have been to现在完成时的问题,-Where have you been?-I have been to the laboratory.谁能详细分析下这两句的语法细节,问什么要用have been?是不是be 的现在完成时?怎么变 色温与显色性的关系色温越低,显色性越好么? Would you mind my opening the door?________,but it's not allowed here.A Not at all B I'm sorry Do you know (when) Tom (married) ( to) ( her)只能改动一个括号里的内容,将句子改正确 Tom,I want to know about your day.OK.When do you get up?When do I get up?Hmm.Usually abouthalf past fuve.Then I run at six o'clock.You run at six in the morning?Uh-huh.And what time do you eat breakfast?Breakfast?Usually about seven.And then I usuall I want to know when Tom got up early怎么翻译?when理解成是 几点?还是哪一天?还是其他?同理i want to know when tom arrived late. I want to know,Where will he go tomorrow?(改成宾语从句) have you had dinner 和 did you have dinner 的区别是什么?完成时和过去式就不要说了.我想问翻译区别. 燃料燃烧过程产生的污染物主要有哪些?有什么危害?在工业生产中减少或消除燃料燃烧污染的有效办法有哪些? 有关蔬果的成语 写出25个国家的名字,首都和这个国家的第二大城市? 考托福最初准备用哪本词汇书最好 11.Don't forget _______ a letter to me when you get to Shanghai.A.write B.to write C.writing D.writes12.There isn't ______ with your bike.A.some wrong B.something wrong C.anything wrong D.wrong something13.Thank you very much _____ me the news.A.tell when do you get up yesterday 改错 When did you（ ）shanghai A get Breached Carrive at D arrive in __ you __ (have) your breakfast,Linda?Yes,I had it just now. When did you ____ at the school?-----Yesterday A.aeeive B.get C.reach D.get to 英语：—Have you eaten breakfast?—Yes,————A.I do.B.I have. 氢在空气中燃烧有危害吗 Please _____your coat!Don't put it here.A.look at B.look forC.look after D.look sorry,you can not put your bike here,Please put it ( )there He come to school late.He______ _______ _______school. 选择（说原因）：Here is your coat,please_____ .(A.put it on; B.put on it) Don't come late to school的同意句