准週期振动

用Mp3背六级单词098

ear degenerate noted shatter bureaucracy nut spectator herald inflation terrify periodic polar dreadful texture withhold rivalry theft snail streak nursery thrill underline incense merit postal extra

发表于:2018-12-01 / 阅读(114) / 评论(0)

用Mp3背六级单词

数学英语 23 What are the Range and Standard Deviation?

by Jason Marshall Weve now talked about three methods for calculating average values: the mean, median, and mode (affectionately known as the three Ms). So, are we done? Is that everything we could ever want to know about interpreting average values?

发表于:2018-12-07 / 阅读(118) / 评论(0)

数学英语

TED演讲：气味背后的科学(2)

Now, while the smell wafts over you, let me tell you the history of an idea. 现在，趁着香味还萦绕在你们周围，我来为你们介绍一个想法形成的过程。 Everything that you're smelling in here is made up of atoms that come fro

发表于:2018-12-19 / 阅读(88) / 评论(0)

TED演讲教育篇

趣味青春英语电台第160期:On the rocks

Idiom: On the rocks 事情处于一个相对困难的状态中 Hit the book: Insufficient Insurance Cash flow Jeopardy Periodic Recipient Frankly Installment

发表于:2018-12-27 / 阅读(118) / 评论(0)

趣味青春英语

【听英文对话做选择】找合适的工作

1. In which field is the man looking for a job? A. education B. medicine C. technology 2. Which statement best describes the pay for the job? A. Employees can receive periodic pay increases based on their work. B. The salary for the position is above

发表于:2018-12-28 / 阅读(112) / 评论(0)

听英文对话做选择

漫画搞定六级词汇(音频+文本) 第22期

图片1 journal n. 定期刊物，杂志，航海日记，分类账例句：Blanche writes on politics for a monthly journal. 布兰奇为一家月刊写政治性文章。 periodical adj. 周期的，定期的n. 期刊，杂志例句：This periodi

发表于:2018-12-30 / 阅读(78) / 评论(0)

漫画搞定六级词汇（文本+音频）

VOA慢速英语2018 一万年前的英国人是黑皮肤蓝眼睛

Tests Suggest 10,000-Year-Old Brit Had Dark Skin, Blue Eyes Genetic material from a 10,000-year-old skeleton suggests the oldest-known Briton had dark skin and blue eyes. 根据一具1万年前的骨骼中提取的遗传物质表明，人们所知最古

发表于:2019-01-03 / 阅读(166) / 评论(0)

2018年VOA慢速英语(二)月

VOA慢速英语2014 Remember Your Chemistry Classes?

As It Is - Remember Your Chemistry Classes? An international team of researchers recently reported creation of a new element that is 40 percent heavier than lead. The researchers successfully developed what they are calling Element Number 117 at a la

发表于:2019-01-03 / 阅读(119) / 评论(0)

2014年VOA慢速英语(八)月

70.Senior Class

During the doctor's periodic visit to my elderly mother, I told him that Mother would be celebrating her 98th birthday in few days. Delighted by the news, he bent down and gave her a kiss for the occa

发表于:2019-01-03 / 阅读(87) / 评论(0)

英汉幽默故事选读

CNN 2012-03-16

Wanted to slice out little time,we wish everyone a happy pie day on this March 14th.413 Ok.let's go ahead to get today's headlines. Two primaries two caucuses,110 delegates,that's what was the stake yesterday in the race for the Republican presidenti

发表于:2019-01-08 / 阅读(102) / 评论(0)

CNN2012年(三)月

SSS 2009-01-14

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. When we think about how to represent sound visually, most of us probably picture those volume-dependent sine waves. But thats not how John Stuart Reid

发表于:2019-01-08 / 阅读(100) / 评论(0)

Scientific American(一)月

SSS 2011-10-05

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the TechnionIsrael Institute of Technology in Haifa. Schechtman discovered what are called quasicrystals.

发表于:2019-01-08 / 阅读(153) / 评论(0)

Scientific American(十)月

《英语写作基础》考核知识点分析与解题思路

近几年的英语写作基础试卷在考查内容和试题类型上改动不大，保持了命题的连贯性。考查内容包括三大部分：句子的组成、段落的写作、应用文写作。题型有重写句子、改写病句、识别主题

发表于:2019-01-17 / 阅读(74) / 评论(0)

实用英语

VOA双语新闻：联合国大幅减少对北韩粮食援助

The United Nations World Food Program has to drastically cut the number of hungry North Koreans it feeds because of a lack of international funding and new restrictions imposed by Pyongyang. 由于缺少国际资金和平壤新实施的限制，联合国

发表于:2019-01-19 / 阅读(62) / 评论(0)

VOA双语新闻 2009年7月

万物简史第148期:基本物质(20)

For most of us, the periodic table is a thing of beauty in the abstract, but for chemists it established an immediate orderliness and clarity that can hardly be overstated. Without a doubt, the Periodic Table of the Chemical Elements is the most eleg

发表于:2019-01-29 / 阅读(83) / 评论(0)

万物简史

VOA常速英语2008年-Teachers, Students Unsure about Future of Guine

By Phuong Tran Canchungo, Guinea Bissau 01 April 2008 The West African nation of Guinea-Bissau has one of the worst school systems in the world, according to the United Nations. Teachers go for months without getting paid, and often go on strike. Phu

发表于:2019-01-31 / 阅读(103) / 评论(0)

VOA常速英语2008年（四月）

这个七夕特别的情书给特别的你

Idea 1: Write a small but romantic love letter (about 5 lines in length or less). Then, get your local newspaper and circle all the words you need (in order) to include in your letter. Then leave the paper with a special note on top telling him to pu

发表于:2019-02-04 / 阅读(134) / 评论(0)

英语美文

Senior Class

发表于:2019-02-04 / 阅读(81) / 评论(0)

趣味英语

专业术语-财务英语词汇P8

period for redemption 赎回期限 period of accrual of interest 应计利息的期间 periodic actuarial investigation 定期精算调查 periodic payment 分期付款；定期付款 periodic updatin

发表于:2019-02-17 / 阅读(90) / 评论(0)

财会英语

GRE试题一(2)

16. UPBRAlD : REPROACH :: (A) dote : like (B) lal: : stray (C) vex : please (D) earn : desire (E) recast : explain Directions: Each passage in this group is followed by questions based on its content.

发表于:2019-02-21 / 阅读(196) / 评论(0)

实用英语

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学英语单词

acetone-sodium bisulfite