溴棕三甲铵,溴化十六烷基三甲铵

CET-4内部听力预测题5

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发表于:2018-12-04 / 阅读(178) / 评论(0)

CET-4内部听力预测题

CET-4内部听力预测题6

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发表于:2018-12-04 / 阅读(160) / 评论(0)

CET-4内部听力预测题

CET-4内部听力预测题7

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发表于:2018-12-04 / 阅读(232) / 评论(0)

CET-4内部听力预测题

CET-4内部听力预测题8

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发表于:2018-12-04 / 阅读(186) / 评论(0)

CET-4内部听力预测题

CET-4内部听力预测题9

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发表于:2018-12-04 / 阅读(178) / 评论(0)

CET-4内部听力预测题

CET-4内部听力预测题10

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发表于:2018-12-04 / 阅读(167) / 评论(0)

CET-4内部听力预测题

CET-4内部听力预测题4

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CET-4内部听力预测题

CET-4内部听力预测题3

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发表于:2018-12-04 / 阅读(188) / 评论(0)

CET-4内部听力预测题

CET-4内部听力预测题2

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发表于:2018-12-04 / 阅读(193) / 评论(0)

CET-4内部听力预测题

CET-4内部听力预测题1

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发表于:2018-12-04 / 阅读(207) / 评论(0)

CET-4内部听力预测题

英语语法：39 Complex-Compound Sentences

Grammar Girl here. Todays topic is the complex-compound sentence. Guest writer Sal Glynn writes: Most writers worth their fingertip calluses begin as avid readers. We read books, magazines, and websites indiscriminately until we start to notice the w

发表于:2018-12-07 / 阅读(171) / 评论(0)

英语语法 Grammar Girl

舞曲狂欢:Elize - Favourite Rebound

歌曲： Favourite Rebound 艺人：Elize 音乐星级： ★★★ 所属专辑：More Than Meets The Eye 发行年代：2009 风格：Pop Dance 相关介绍：1982年出生的荷兰清秀女伶----Elize。2009年带来全新舞曲大碟'More Than Meets The Eye'。我形容Elize的声音就像是张韶

发表于:2018-12-14 / 阅读(137) / 评论(0)

舞曲狂欢

VOA慢速英语2009-THIS IS AMERICA - The Complex Story of Abraham L

VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Barbara Klein. This week on our program, we remember President Abraham Lincoln. This Thursday is the two hundredth anniversary of his birth. (MUSIC) VO

发表于:2019-01-11 / 阅读(182) / 评论(0)

VOA慢速英语2009年（二）月

闲谈英语-Favorite Movie(3)

A: Out of every movie that you've seen, which one is your favorite? B: I'm going to have to say that Superbad is the best movie ever. A: You think so, how come? B: Well, Superbad is super funny. A: You're not lying, I found that movie absolutely hila

发表于:2019-01-20 / 阅读(174) / 评论(0)

英语闲谈

闲谈英语-Favorite Movie(2)

A: Which movie is your favorite to watch? B: I have to say, my favorite movie is Superbad. A: Is that right? Why? B: Honestly, it is one of the funniest movies I've seen in a long time. A: You're right. That movie is hilarious. B: I didn't think you

发表于:2019-01-20 / 阅读(179) / 评论(0)

英语闲谈

闲谈英语-Favorite Music(1)

A: What type of music do you like to listen to? B: I like listening to different kinds of music. A: Like what, for instance? B: I enjoy Rock and RB. A: Why is that? B: I like the different instruments that they use. A: That's a good reason to like so

发表于:2019-01-20 / 阅读(204) / 评论(0)

英语闲谈

Alexis Kekeh

BBC Learning English People and Places Alexis Kekeh Alexis:My name is Alexis. Im from Togo. William: and Im William Kremer. Welcome to People and Places! One of my favourite things about living in London is the incredible mix of people that you find

发表于:2019-02-01 / 阅读(388) / 评论(0)

人与地方

Endeavour astronauts complete final spacewalk

WASHINGTON, May 27 (Xinhua) -- Two U.S. astronauts conducted the fourth and final scheduled spacewalks for space shuttle Endeavour 's STS-134 mission on Friday morning, the U.S. National Aeronautics and Space Administration (NASA) announced. The seve

发表于:2019-02-02 / 阅读(143) / 评论(0)

英语新闻

白领商务英语－经典案例7：Lexmark International

Organization, Teamwork, and Communication Facing Business Challenges At Lexmark International From IBM to Independence How do you build a new, independent organization after years of control by a giga

发表于:2019-02-02 / 阅读(158) / 评论(0)

实用英语

2006年VOA标准英语-Iran's President Flexes Political Muscle in Nuc

By Gary Thomas Washington 12 June 2006 The United States and its European allies have offered Iran a package of incentives to get Tehran to abandon any ambition to build nuclear weapons. Iran has not rejected the package outright, but is standing fi

发表于:2019-02-07 / 阅读(234) / 评论(0)

2006年VOA标准英语（六月）

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学英语单词

a zero-zero fog

air-conditioning package

ball-and-socket coupling

Ballineen

base condition