[医] 胃蛋白酶单位

美国国家公共电台 NPR It's Been 25 Years Since The Federal Gas Tax Went Up

DAVID GREENE, HOST: Today, we are marking an anniversary. Twenty-five years ago this week was the last time the federal gas tax went up. Today, that tax is still what it was in 1993 - 18.4 cents per gallon. And yet the costs of building and maintaini

发表于:2018-12-02 / 阅读(43) / 评论(0)

2018年NPR美国国家公共电台10月

Gas Shortage Intensifies in Mexico

Broadcast: Feb 13, 2003 Demand for electricity is growing in Mexico, but the state-owned oil company, known as Pemex, is reducing the amount of natural gas it can provide for electrical generation. Th

发表于:2019-01-03 / 阅读(72) / 评论(0)

VOA2003（上）-国际时讯

美国国家公共电台 NPR California Weighs Tougher Emissions Rules For Gas-Powered Garden Equipment

AUDIE CORNISH, HOST: Think about some of the things that spew nasty contaminants into the air - automobiles, power plants. How about leaf blowers? Those annoyingly loud, gas-powered, backpack-like machines are about to pass cars as the worst air poll

发表于:2019-01-16 / 阅读(57) / 评论(0)

2017年NPR美国国家公共电台3月

More equipment parts exempted from import tax

BEIJING, March 12 (Xinhua) -- China's Ministry of Finance (MOF) has revised a list of major items of technical equipment enjoying import-tax exemption, according to a circular issued by the body on Monday. Chinese manufacturers of items of large tech

发表于:2019-02-08 / 阅读(66) / 评论(0)

英语新闻

Saudis Set to Boost Oil Production

Saudi Arabia is signaling that it is going to boost its supply of oil on its own after failing to convince other oil producers to jointly agree to more production. Several news agencies reported Saturday that the Saudis could increase their oil produ

发表于:2019-02-11 / 阅读(76) / 评论(0)

英语新闻

英闻天下——186 CNPC to Boost Overseas Oil, Gas Production

China's top oil and gas producer said overseas operations will take a much larger share of its overall output as the company continues to expand abroad. The China National Petroleum Corp or CNPC produced around 110 million tonnes of oil equivalent th

发表于:2019-02-21 / 阅读(44) / 评论(0)

英闻天下

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词

auto correlation coefficient