标签：oxygen 相关文章
Module 1 Words and expressions 第一模块 单词和短语 Chinese 中国人；汉语 中国的，中国人的 from 从来，来自 where 在哪里，去哪里 year 年龄；年 about 关于 What about...? 怎么样？ Ms 女士 America 美国；美洲
新标准初中英语七年级上(2012版)
新标准小学一年级英语第三册（一年级起点外研版）REVIEW UNIT 1 What's the time, Mr Wolf? UNIT 2 Does Amy like English? REVIEW MODULE Reading for pleasure It's under the desk。
外研社新标准小学二年级英语
Module 1 Unit 1 Hello! Module 1 Unit 2 How are you?
外研社新标准小学一年级英语
【标题】Words and Expressions in Module 9 第九模块单词表 【标题】how old 多大 【标题】are 是 【标题】too 也 【标题】happy 快乐的 【标题】birthday 生日 【标题】but 但是，可是 【标题】for 为，给，对
外研社新标准小学英语(一起2012版)一年级上册
【标题】Words and Expressions in Module 1 第一模块单词表 【标题】hello (hi) 你好 【标题】aah 啊 【标题】ooh 嗬 【标题】I 我 【标题】am (I'm = I am) 是（我是） 【标题】goodbye (bye) 再见 【标题】How a
外研社新标准小学英语(一起2012版)一年级上册
【标题】Words and Expressions in Module 3 第三模块单词表 【标题】sit 坐 【标题】down 向下 【标题】stand 站 【标题】up 向上 【标题】open 打开 【标题】the 这（那）个；这（那）些 【标题】window 窗
外研社新标准小学英语(一起2012版)一年级上册
【标题】Words and Expressions in Module 5 第五模块单词表 【标题】this 这个 【标题】our 我们的 【标题】teacher 教师 【标题】school 学校 【标题】classroom 教室 【标题】Nice to meet you. 见到你真高兴。
外研社新标准小学英语(一起2012版)一年级上册
RACHEL MARTIN, HOST: If you eat less food, can you live longer? Scientists have debated this question for years. Some studies in fish, rats and monkeys suggests that doing so actually can help you live longer. But there have been very few studies in
2018年NPR美国国家公共电台4月
Teachers might want to think twice about posting 'no gum chewing' signs in the classroom. It turns out that the sticky substance might help students concentrate. Researchers had two groups of 20 people each listen to a 30-minute recording that includ
Scientific American(三)月
Head to the mountains, and if the steep trails don't slow you down, the thin air will. There's less oxygen up thereso strenuous activity can leave you dizzy, out of breathor worse. But even though you're beat, biochemical processes are already busy a
2017年Scientific American(二)月
Climate Change Might Shrink Fish 气候变化会迫使鱼类变小 As the world's oceans heat up, salmon are migrating earlier. Plankton are shifting their range. But warmer water temperatures also mean warmer fishand faster-running metabolisms. 随着
2017年Scientific American(九)月
04 An Emergency Airplane Landing GLOSSARY cockpit the part of the plane where the pilot and co-pilot sit, separated from therest of the airplane * The cockpit is filled with instruments used to operate the plane. turbulence a period when there is a l
2010年ESL之旅行交通购物
Oftentimes when we cry, we feel a lump in the throat. Does a lump actually form, or is there some other explanation? 很多时候，当我们哭泣时，我们会感到哽咽。难道是真的在喉咙中形成了块状物？或是有其它的解释？
初学者听力文摘精选
新课标小学英语一年级第六册（一年级起点外研版）REVIEW REVIEW MODULE UNIT 1 Will you go swimming?
外研社新标准小学三年级英语
By Jessica Berman Washington 14 June 2007 Flight controllers in Moscow have been able to establish contact with critically important computers aboard the International Space Station. The computers that control among other things oxygen and water supp
2007年VOA标准英语（六月）
VOICE ONE: I'm Barbara Klein. VOICE TWO: And I'm Steve Ember with EXPLORATIONS in VOA Special English. Today we continue the history of the American space program with the flight of Apollo Thirteen, the flight that almost did not return home. (MUSIC
VOA慢速英语2009年（七）月
A unique program to capture carbon at coal power stations has been unveiled in Australia. Operators of a demonstration plant say it is the first of its type in the world and involves burning coal in oxygen rather than air, which reduces carbon dioxi
VOA标准英语2008年(十一月)
Every spring, the Mississippi River dumps tens of thousands of tons of nutrient runoff into the Gulf of Mexico. Add temperature, current and wind to that pollution, and you have the Western Hemisphere's largest stretch of oxygen-poor watersa so-calle
2017年Scientific American(二)月
Magician David Blaine set a new world record last month for breath-holding: 17 minutes and 4 seconds. The feat was broadcast live during The Oprah Winfrey Show, and the studio audience cheered as divers pulled Blaine from a water-filled sphere. He lo
英语时差8，16
What Is Fire? 火是物质燃烧过程中散发出光和热的现象，是能量释放的一种方式。火焰分为焰心、中焰和外焰，温度由内向外依次增高。燃烧过程必须有可燃物、燃点温度、氧化剂三项并存，缺一
英语听力文摘 English Digest