[=recombinant cycle PCR]重组环PCR

VOA慢速英语-SCIENCE IN THE NEWS - Pollution in China’s Air Creat

Also: A study finds that people who stop smoking often influence other smokers to quit. Transcript of radio broadcast: 24 June 2008 VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Faith Lapidus. VOICE TWO: And I'm Steve Ember. On

发表于:2018-12-15 / 阅读(78) / 评论(0)

VOA慢速英语2008年（六）月

CRI实用英语课堂 Unit 69 Fire Prevention I 防火（上）

Part 1 The Pyromaniac 纵火狂 Dialogue Script1 对话原文1 Tom: Want to help me build a matchstick house? Tina: Uh, where did you learn how to do that? Tom: Some friends at school taught me. Tina: It's amazing what you kids are learning in school these

发表于:2019-01-02 / 阅读(72) / 评论(0)

CRI实用英语课堂

Take Away English-Crufts Dog Show 英国狗展

Crufts winner 2006. Picture courtesy of the Kennel Club of Great Britain Fireworks, music and theatre have been some of the ways in which the Chinese community in Britain has been celebrating the start of the Year of the Dog it has been quite a part

发表于:2019-01-02 / 阅读(70) / 评论(0)

Take Away English

VOA常速英语2007年-Delayed Presidential Elections in Lebanon Creat

By Carolyn Presutti Washington 09 November 2007 Lebanon has postponed presidential elections twice in the past two months.A group of Christian bishops in Lebanon worries that the election deadlock is affecting national unity. As VOA's Carolyn Presutt

发表于:2019-02-03 / 阅读(126) / 评论(0)

VOA常速英语2007年（十一月）

Creating Your Own Life

Creating Your Own Life Welcome to Faith Radio Online－Simply to Relax， I'm Faith Sometimes people come into your life and you know right away that they were meant to be there； they serve some sort of purpose， teach you a lesson or help figure

发表于:2019-02-08 / 阅读(57) / 评论(0)

阅读空间

New head of China Democratic League elected

BEIJING, Dec. 13 (Xinhua) -- Zhang Baowen was on Thursday elected chairman of the Central Committee of the China Democratic League (CDL), a non-Communist political party with about 230,000 members. The party concluded its 11th National Congress on th

发表于:2019-02-18 / 阅读(52) / 评论(0)

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analysis of oil sample