[医] 氢离子浓度测定法

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

发表于:2018-12-07 / 阅读(74) / 评论(0)

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(56) / 评论(0)

英语演讲

双语有声阅读:Controlling Your Concentration 控制你的注

Psychologically defined, concentration is the process of centering one's attention over a period of time. In practical application, however, concentration is not as simple to deal successfully with as the definition may imply. For this reason, it is

发表于:2019-01-02 / 阅读(57) / 评论(0)

双语有声阅读

英语四级句子成分详解（2）

很多同学留言说不知道如何划分句子成分，那你知道句子构成了吗？下面就跟小编一起看看句子的基本成分有哪些吧，希望今天为大家整理的这篇文章可以让大家学会英语语法。基本句型三：

发表于:2019-01-08 / 阅读(50) / 评论(0)

大学四六级阅读

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(45) / 评论(0)

英语美文

经济学人197:学术不端一系列的错误(下)

A bigger can? 一个更大的罐头？ By the end of 2010, Dr Potti had resigned from Duke, 到2010年底，Potti博士已经从杜克大学辞职， the university had stopped the three trials for good, 学校永久停止了那三项临床试验，

发表于:2019-02-16 / 阅读(78) / 评论(0)

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