[化] 双指示电极电位滴定; 双指示电极电位滴定法

实用英语综合教程第三册-8

UNIT 8 Text A PRE-READING TASK Exercise 1 Before reading the passage, try to answer the questions. 1. How many years do you think it takes to double the world population now? 2. What might be the poss

发表于:2018-12-04 / 阅读(340) / 评论(0)

实用英语综合教程

2006年VOA标准英语-Lack of Biometric Passports Slows Down Fre

By Lisa Bryant Paris 31 January 2006 Lines are snaking out the door of the U.S. Consulate in Paris, as would-be French travelers to America wait to get newly required visas. The problem: the French go

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2006年VOA标准英语（一月）

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Unit 16 concluding a contract Mr Yu, pruchasing manger of NNC company is on the discussion with counter part Mr sean, marketing manager of EIF company limited, talking abour concrete contract terms for the improt business of PAA into China. S:Good mo

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外贸英语口语

字源大挪移 Prefix - 表示数字的字首 42 bi-

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到听力原文收集区，您将会获得10到30积分的奖励! Thank you！

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英文魔法师字源大挪移

Zainab Salbi:女性战争与和平梦想

通常在战争中，我们只看到前线士兵和战斗的故事。在TEDGlobal 2010里，Zainab Salbi 讲述后方振奋人心的女人们的故事, 这些女人在战火中仍努力维持正常的生活。她呼吁在战争结束时，女性也应成

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TED公开课:和平使者

外贸英语之外贸业务常用报价英语

1、报实价 This is to confirm uour telex of 6 April1997,asking us to make you firm offers for rice and soybeans Cf singapore.We telexed you this morning offering you 300 metric tons of一步polished rice at A$2,400 per metric ton ,cf singapore,for

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天天商务口语

与美国小学生一起学英文第3册第7期:淡水

Fresh Water 淡水 Fresh water comes from ponds, lakes, rivers and streams. 淡水来自于池塘、湖泊、河流和溪流。 People use fresh water for drinking, farming and so on. 淡水可用于饮用、耕种等等。 People can only drink fres

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与美国小学生一起学英文第3册

天籁音乐:Mohombi-Do Me Right

以 Bumpy Ride 而一炮走红的瑞典/刚果新人歌手Mohombi，去年发布了与RB巨星Akon合作的新曲Dirty Situation，如今已发布专辑 Movemeant。他是第一个签入著名瑞典音乐制作人RedOne旗下的新歌手，单曲 Bu

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天籁音乐

OMG美语 Bi-coastal Relationship!

异地恋。Long distance relationship现在大家都知道了吧，但是因为美国的地理，有一个词叫bi-coastal relationship，是不是很独特呢？

发表于:2019-01-15 / 阅读(188) / 评论(0)

OMG美语

英文原版对话1000个:846 Shibika's Year

Fred: Hi, Shibika, so this is almost the end of the year, 2007. Can you tell me a bit, how was your year this year? Shibika: Yeah, I had pretty nice year actually. I went through a lot of ups and downs, and yeah, at first I did really well in my clas

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原版英语对话1000个

报盘范文

(a.) Dear Mr. Jones: We thank you for your letter dated April 8 inquiring about our leather handbags. As requested, we take pleasure in offering you, subject to our final confirmation, 300 dozen deerskin handbags style No.MS190 at $124.00 per dozen C

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天天商务口语

经济学人156:滴定进食

Science and technology 科学技术 Animal behaviour 动物行为 Drip-feeding 滴定进食 Ecology raids the techniques of chemistry 生态学里应用上了化学技术。 Time to change restaurant 该换家馆子了。 BIOLOGISTS are sometimes acc

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Science and Technology Animal behaviour Drip-feeding 科技动物行为滴定进食 Ecology raids the techniques of chemistry 生态学里应用上了化学技术。 BIOLOGISTS are sometimes accused of physics envyand there is truth in this accusat

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经济学人科技系列

经济学人122:动物行为滴定进食

发表于:2019-01-26 / 阅读(189) / 评论(0)

经济学人科技系列

万物简史第78期:事物的测定(26)

Delicacy was the key word. Not a whisper of disturbance could be allowed into the room containing the apparatus, so Cavendish took up a position in an adjoining room and made his observations with a telescope aimed through a peephole. The work was in

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万物简史

Tree Nuts

Broadcast: May 6, 2003 By Mario Ritter This is the VOA Special English Agriculture Report. Nuts that grow on trees are an important part of the diet in many cultures. They also provide an important ex

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VOA2003（上）-社会广角

得克萨斯州废气排放量仍居全美居首

得克萨斯州废气排放量仍居全美居首 HOUSTON, Oct. 23 (Xinhua) -- Texas remains to be the biggest greenhouse gas emitter in the United States, according to a report released Wednesday by the U.S. Environmental Protection Agency (EPA). Tex

发表于:2019-02-04 / 阅读(125) / 评论(0)

英语新闻

China's crude oil output rises slightly

BEIJING, Aug. 20 (Xinhua) -- China's crude oil production increased only 0.6 percent year on year to 17.24 million metric tons in July as the current economic slowdown dampened fuel demand in the country, according to data released by the National De

发表于:2019-02-07 / 阅读(168) / 评论(0)

英语新闻

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kthxbi其实就是Okay, thanks, bye的简写， k = ok thx = thanks bi = bye 意思就是：好了，谢谢，再见。通常用在比较急的时候，想尽快的结束对话。注意：要慎用，有时会显得粗鲁无礼，甚至有讥讽的感

发表于:2019-02-09 / 阅读(194) / 评论(0)

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外贸新人必看的邮件回复模式

1.无法提供客户想要的产品时回复 Dear Thank you for your enquiry of 12 March cate 9 cable. We appreciate your efforts in marketing our products and regret very much that we are unable to supply the desired goods due to excessive demand. W

发表于:2019-02-13 / 阅读(162) / 评论(0)

实用英语

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学英语单词

8-hydroxyquinoline

abdominal cicatrix

Acer zhongtiaoense

administrative management theory

alar chest

alienigenate

art of programming

atmospheric circulation

autohead

automatic machine

be in the panel