自生固氮菌

新东方背诵文选 L48 Bacteria

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is abo

发表于:2018-12-01 / 阅读(223) / 评论(0)

新东方背诵文选

Side by Side 练习册1-4

[00:07.39]Listen and circle the word you hear. [00:12.36]1.We're cleaning our room. [00:17.61]2.He's doing his homework. [00:22.75]3.She's washing her hair. [00:28.03]4.They're fixing their car. [00:33.38]5.You're fixing your TV. [00:38.71]6.I'm feed

发表于:2018-12-01 / 阅读(277) / 评论(0)

SBS朗文国际英语教程练习册 1

Side by Side book1-4

[00:00.00]CHAPTER FOUR Page 27 Vocabulary Preview [00:11.60]1.brushing 2.cleaning 3.feeding 4.fixing [00:27.77]5.painting 6.reading 7.washing [00:40.52]page 28 Im fixing my sink Listen [00:48.07]Hi!What are you doing? Im fixing my sink. [00:54.70]Wha

发表于:2018-12-01 / 阅读(401) / 评论(0)

SBS朗文国际英语教程第一册

Tax free --- duty free

Tax free --- duty free Tax cuts Income tax General-----generally speaking Federalist Type---kind---sort Typewriter----typist Salary---wage---income Earn money----earn a living Make money---make a livi

发表于:2018-12-04 / 阅读(185) / 评论(0)

自考英语（一）78讲

英语听力：自然百科佛罗里达州的温泉（二）

The divers started in the ocean, but they are now within solid bedrock, 150 feet beneath someone's living room. They are now swimming in the water supply for the town above. Here they find, as they had hoped, life in the pitch darkness. These are hyd

发表于:2018-12-26 / 阅读(107) / 评论(0)

自然百科2009年

VOA慢速英语20060221a

AGRICULTURE REPORT - Legumes: Good for People and SoilBy Bob Bowen Broadcast: Tuesday, February 21, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. Many different kinds of plants

发表于:2019-01-02 / 阅读(107) / 评论(0)

2006年慢速英语（二）月

TED演讲:论生物多样性(3)

We are living on a planet with a lot of activities, with reference to our living environment,done by faith and guess alone. 我们对于这个地球上所发生的许多现象,都只是通过信念或猜测来认知。 Our lives depend upon these cre

发表于:2019-01-03 / 阅读(110) / 评论(0)

TED演讲科学篇

Why Hands-Free Faucets May Be a Risk to Some Hospital Patien

Why Hands-Free Faucets May Be a Risk to Some Hospital Patients This is the VOA Special English Health Report. 这里是美国之音慢速英语健康报道。 Automatic faucets use an electronic sensor to start and stop the flow of water when people

发表于:2019-01-12 / 阅读(120) / 评论(0)

2011年VOA慢速英语(四)月

VOA慢速英语2015 亚马逊部落发现抗生素耐药性

Antibiotic Resistance Found in Amazon Tribe 亚马逊部落发现抗生素耐药性 There are some people who have never come into contact with Western civilization. These people have microbes, tiny organisms, on and in their bodies that can do somet

发表于:2019-01-12 / 阅读(77) / 评论(0)

2015年VOA慢速英语(五)月

VOA标准英语2011--Fukushima Plant Operator: Nitrogen Pumpi

Fukushima Plant Operator: Nitrogen Pumping Operation Going Well A plan to inject nitrogen into the containment vessel around reactor 1 at the Fukushima Daiichi power plant appears to be working, the plant owner said Thursday. Higher pressure levels h

发表于:2019-01-14 / 阅读(134) / 评论(0)

VOA标准英语2011年(四月)

卖房英语对话-Fixing Up the Exterior(1)

A: Can you help me figure out some inexpensive ways to fix up the exterior of my home? B: Like the interior, the number one thing you can do is to repaint the outside of your home if it needs it. A: What do you think of the landscaping? B: Your lawn

发表于:2019-01-15 / 阅读(139) / 评论(0)

卖房英语情景对话

英语六级语法之不规则的名词变化

不规则变化的复数名词有以下几种构成法。构成方式举例说明构成法1: 改变内部母音字母。 footfeet toothteeth manmen womanwomen mousemice 构成法2: 加字尾en或ren。 oxoxen childchildren 构成法3: 单复数同形

发表于:2019-01-17 / 阅读(123) / 评论(0)

大学四六级阅读

英语六级语法之名词复数的不规则变化

英语六级考试语法：名词复数的不规则变化规则变化的复数名词有以下几种构成法。构成方式举例说明构成法1: 改变内部母音字母。 footfeet toothteeth manmen womanwomen mousemice 构成法2: 加字尾en或

发表于:2019-01-17 / 阅读(101) / 评论(0)

大学四六级阅读

英语六级语法之名词复数

英语六级语法中有一个很重要的语法点就是单词的单复数形式，学了这么多年英语恐怕还有人名词单复数傻傻分不清楚，下面就跟这些例子学习英语六级语法吧。不规则变化的复数名词有以下

发表于:2019-01-17 / 阅读(119) / 评论(0)

大学四六级阅读

经济学人69:欢迎来到人类纪

The geology of the planet 地球的地质情况 Welcome to the Anthropocene 欢迎来到人类纪 Humans have changed the way the world works. Now they have to change the way they think about it, too 人类改变了世界运行方式，现在，人类不

发表于:2019-01-26 / 阅读(164) / 评论(0)

经济学人综合

英语听力：自然百科行星旅行指南：火星 Mars—15

If we have been wet, then we want to look for nutrients and food sources that could support microbes. The water ice is proof of a valuable resource for any life forms still clinging(附着) beneath the surface and for future travelers. We now know th

发表于:2019-02-03 / 阅读(168) / 评论(0)

自然百科2012年

Basketball coach confirmed involvement in S. Korea's match fixing

SEOUL, March 8 (Xinhua) -- Prosecutors in Euijeongbu, north of Seoul, confirmed star coach Kang Dong-hee's involvement in match fixing after 12 hours interrogation over fixing allegations on Friday. Prosecutors prepared to seek an arrest warrant for

发表于:2019-02-04 / 阅读(200) / 评论(0)

英语新闻

万物简史第435期:小生物的世界(6)

We now know that there are a lot of microbes living deep within the Earth, many of which have nothing at all to do with the organic world. 我们现在知道了，有大量微生物生活在地球内部的深处，其中许多与普通的有机世界毫

发表于:2019-02-17 / 阅读(101) / 评论(0)

万物简史

万物简史第434期:小生物的世界(5)

They have been found living in boiling mud pots and lakes of caustic soda, deep inside rocks, at the bottom of the sea, 我们还发现细菌生活在沸腾的泥潭里和烧碱池里，岩石深处，大海底部， in hidden pools of icy water in t

发表于:2019-02-17 / 阅读(140) / 评论(0)

万物简史

【英语时差8,16】青霉素的历史

Today, a fever is an uncomfortable nuisance, but a hundred-plus years ago, fevers were often fatal. The difference between then and now is the class of drugs known as antibiotics. As the name implies, anti-biotics work against life, or, more specific

发表于:2019-03-06 / 阅读(174) / 评论(0)

英语时差8，16

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a conservative estimate