硫化氢的定量分析

听美文故事记6级单词07-07

7. Natural Yoghurt beats bad breath Sugarless yoghurt could help beat bad breath, tooth decay and gum disease, say scientists. Japanese researchers found eating the yoghurt reduced levels of hydrogen sulphide - a major cause of bad breath - in 80% of

发表于:2018-11-30 / 阅读(217) / 评论(0)

听美文故事记6级单词

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发表于:2018-12-01 / 阅读(293) / 评论(0)

大学英语六级词汇

太阳科普第6期

The composition of the sun lies in this bar code. 这个条码说明了太阳的组成 All the thin lines are caused by tiny amounts of complex elements 这些细细的线条，都是微量复杂元素造成的 metals like iron and magnesium. 好比说

发表于:2018-12-07 / 阅读(218) / 评论(0)

太阳科普

Uses Hydrogen1 as Fuel2

Broadcast: February 14, 2003 By George Grow This is the VOA Special English Environment Report. President Bush has offered a plan to speed development of technology that uses hydrogen as fuel. His goa

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VOA2003（上）-科技导航

我们该选择死亡吗？

I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indians and Pakistanis

发表于:2018-12-12 / 阅读(174) / 评论(0)

英语演讲

VOA标准英语2012--Study Says Breath Analysis Can Help in Diagnosing Cancer

Study Says Breath Analysis Can Help in Diagnosing Cancer Lung cancer claims an estimated one and a half million lives each year. But a research team at the Cleveland Clinic and University of Illinois is working to develop a new test that could make d

发表于:2018-12-16 / 阅读(169) / 评论(0)

VOA标准英语2012年(一月)

BEP 142 ADV Presentations: SWOT Analysis (Part2)

This is the second in a 2-part Business English Pod series on presenting a SWOT analysis. A SWOT analysis is a tool that helps companies understand their strengths and weaknesses, while keeping in mind the opportunities and threats they face. In this

发表于:2018-12-31 / 阅读(257) / 评论(0)

商务英语演讲课

BEP 141 ADV–Presentations: SWOT Analysis(Part1)

In this Business English Pod lesson, we start the first in a 2-part series on presenting a SWOT analysis. A SWOT analysis is a simple but powerful framework for analyzing your companys strengths and weaknesses these are internal to the company as wel

发表于:2018-12-31 / 阅读(267) / 评论(0)

商务英语演讲课

投资分析机构财经词典-Q

Q English Terms 中文翻译详情解释/例子 Q1, Q2, Q3, Q4 季度（第一季度、第二季度、第三季度、第四季度）财务日历内的三个月时期，作为申报盈利及支付股息

发表于:2019-01-03 / 阅读(170) / 评论(0)

财会英语

VOA标准英语2010年-Website of the Week – The Root

News and analysis from an African American perspective Art Chimes | Washington, DC 19 February 2010 Related Links The Root February is African American History Month here in the United States, and so this week we feature a site that looks at news and

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VOA标准英语2010年(二月)

纽约车展上电动汽车来势汹汹

NEW YORK Plug in your car, then unplug, and drive away. More and more consumers are doing just that. At the 2014 New York Auto Show many automakers unveiled electric or hybrid vehicle to address the growing global appetite for environment-friendly ca

发表于:2019-01-30 / 阅读(173) / 评论(0)

英语新闻

GRE写作常用表达札记2-3

61. Re: 决策理论——decision-making theory? decision theory 62.Re: 并列第二名怎么说？我和你并列第二。I tied with you for the second place. 63.Re: 求助：“炼狱”的英文怎

发表于:2019-02-01 / 阅读(176) / 评论(0)

英文语法词汇

XDF考研词汇串讲文本q

发表于:2019-02-03 / 阅读(157) / 评论(0)

英文语法词汇

托福考试：TOEFL模拟试题

Questions 12-20 The elements other than hydrogen and helium exist In such small quantities that it is accurate to say that the universe somewhat more than 25 percent helium by weight and somewhat less than 25 percent hydrogen. Astronomers have measur

发表于:2019-02-05 / 阅读(209) / 评论(0)

托福英语

雅思单词前缀整理

PREFIX 1.a-:of;on;intensive;negative,not,without;ad-;ab-. 2.ab-:away from,off. 3. ad-:to;at;for. 4. aer(o)- :relating to air . 5.al-:all. 6.ambi-:on both sides,around. 7.amphi-:on both sides,around. 8.an-:negative,not,without. 9.ana-:upon,up,on. 10.a

发表于:2019-02-06 / 阅读(218) / 评论(0)

雅思英语

我们该选择死亡吗

December 30, 1954 I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indi

发表于:2019-02-09 / 阅读(221) / 评论(0)

英语美文

外贸英语话题王第80期:非关税壁垒

Non-tariff barrier 非关税壁垒 Professor Wang, what is non-tariff barrier? 王教授，什么是非关税壁垒？ Non-tariff barrier is another mean to restrict imports. 非关税壁垒是限制进口的另一种手段。 Can you give an example

发表于:2019-02-15 / 阅读(157) / 评论(0)

外贸英语话题王

全球死亡质量排名：英国居首位

Britain may not be the best place to live, but it is the best place to die. 英国可能不是最适宜居住的地方，但却是最适合死的地方。 The Economist Intelligence Unit (EIU) ranked the country first in its latest quality-of-death i

发表于:2019-02-17 / 阅读(198) / 评论(0)

阅读空间

各种花样的风筝怎么说？

9月16日是墨西哥馆日，墨西哥馆五颜六色的风筝森林吸引了不少人的眼球，你知道小小的风筝里有什么大学问吗？其实风筝也有很多种分类哦，一起来看看吧。说到kite这个单词，这也许是我们

发表于:2019-02-18 / 阅读(234) / 评论(0)

英语口语

朝鲜宣布成功进行首次氢弹试验

North Korea conducted a 'successful' hydrogen bomb test, Pyongyang has confirmed. The thermonuclear weapon triggered a massive 5.1 magnitude earthquake when it exploded at 10am local time on Wednesday. 平壤方面已经证实，朝鲜成功的进行了

发表于:2019-02-18 / 阅读(160) / 评论(0)

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a priori distribution