有效可降水分

There are six characteristics of speech, all of which are vital to speak effectively. In this section we'll look at each of them separately. These speech characteristics are basically important to you

发表于:2018-11-28 / 阅读(141) / 评论(0) 分类 疯狂英语2001年

BY STEPHEN R .COVEEY The first habit is 1)proactivity. Be proactive. The word proactivity is fairly common in management literature, but you won't find it in the dictionary. It means more than merely

发表于:2018-11-28 / 阅读(178) / 评论(0) 分类 疯狂英语2001年

Severe drought has sent river levels in parts of central and northern China to record lows, affecting millions of hectares of farmland and leaving more than a million people short of water。 严重干旱已导致华中和华北部分地区河水水位

发表于:2018-11-29 / 阅读(132) / 评论(0) 分类 英文语法词汇

Scientists at the Massachusetts Institute of Technology (MIT) have created what could be a breakthrough in providing clean, alternative energy. Researchers have invented an artificial leaf that splits water into hydrogen and oxygen and stores the ene

发表于:2018-12-07 / 阅读(120) / 评论(0) 分类 创新英语

This is the VOA Special English Health Report. Hand washing is a powerful way to prevent the spread of disease. The World Bank, the United Nations and the London School of Hygiene and Tropical Medicine did a study to urge hand washing around the wor

发表于:2018-12-07 / 阅读(40) / 评论(0) 分类 VOA慢速英语2007年(六)月

By Melinda Smith Washington 31 August 2007 Centuries ago doctors used hypnosis to help relieve the excruciating pain of surgery. It then fell out of favor with the introduction of anesthesia. Now as VOA's Melinda Smith reports, new studies show a hos

发表于:2018-12-16 / 阅读(109) / 评论(0) 分类 2007年VOA标准英语(八月)

Tiny Bubbles Turn Water Into Effective Cleaning Tool 小气泡把水变成有效的清洁工具 While a stream of ordinary cold water may clean some dirt it is not considered an effective cleaning agent. But when two inventors at the University of So

发表于:2018-12-16 / 阅读(48) / 评论(0) 分类 VOA标准英语2015年(十一月)

1. drug company=pharmaceutical company 医药公司n. 2. promotion=marketing 营销n. 3. increase=escalate=rise=go up=grow 上升v. 4. research=study=survey=investigation 研究n. 5. work=be an effective way=be useful=help=achieve=succeed=have an eff

发表于:2018-12-18 / 阅读(53) / 评论(0) 分类 雅思英语

W: Why do you wear a mask? M: The air is too dirty, especially in the streets. W: I have the same feeling. M: Everyday when I wash my face, I find the water turns black. W: But I don't like wearing a mask, and it's not the effective way to solve the

发表于:2018-12-25 / 阅读(41) / 评论(0) 分类 英语口语900句

By Al Pessin Brussels 13 June 2007 U.S. Defense Secretary Robert Gates says the NATO alliance has demonstrated that it can be effective in Afghanistan in spite of continuing shortfalls in the number of troops member-nations are providing. VOA's Al Pe

发表于:2019-01-06 / 阅读(123) / 评论(0) 分类 2007年VOA标准英语(六月)

HEALTH REPORT - Importance of Hand Washing By Nancy Steinbach Broadcast: Wednesday, January 07, 2004 This is the VOA Special English Health Report. Medical experts say the most effective way to preven

发表于:2019-01-07 / 阅读(63) / 评论(0) 分类 健康与经济

By Jessica Berman Washington 14 May 2008 Researchers have determined that commonly prescribed triple-drug combination therapies that use old antiviral drugs are the most effective for suppressing the deadly virus that causes AIDS. The findings have m

发表于:2019-01-09 / 阅读(83) / 评论(0) 分类 VOA标准英语2008年(五月)

By Lisa Schlein Geneva 08 December 2006 U.N. aid agencies are stepping up humanitarian assistance to three flood-stricken countries in the Horn of Africa. The agencies are warning the risk of epidemics breaking out in Ethiopia, Kenya and Somalia is

发表于:2019-01-11 / 阅读(167) / 评论(0) 分类 2006年VOA标准英语(十二月)

Refugee Camps Spread Life-Threatening Diseases At a crowded camp in South Sudan, where thousands have come to escape the region's military conflict, officials report that an outbreak of Hepatitis E - a viral infection transmitted by contaminated food

发表于:2019-01-13 / 阅读(87) / 评论(0) 分类 VOA标准英语2012年(九月)

Scientists at the Massachusetts Institute of Technology have turned to Mother Nature for inspiration, inventing a device that mimics photosynthesis, the process plants use to convert sunlight and water into usable energy. MIT chemistry professor Dani

发表于:2019-01-14 / 阅读(140) / 评论(0) 分类 VOA标准英语2011年(四月)

小小气泡学问大 Under ultraviolet light greasy residue on human hands becomes visible, but trying to rinse it off with ordinary cold water is next to impossible. 在紫外线的照射下,光油油的残留在我们的手上清晰可见,但要

发表于:2019-01-14 / 阅读(54) / 评论(0) 分类 VOA标准英语2016年(一月)

写作题目 In many cities and all over the world, there is a serious shortage of water supplies. What are the causes of and solutions to the scarcity of water resource? Write an essay of about 400 words. You should supply an appropriate title for y

发表于:2019-01-16 / 阅读(45) / 评论(0) 分类 英语作文

GUY RAZ, HOST: I want to ask you about this really famous Talmudic notion - actually, it might be that in the Quran as well - but this idea that, you know, if you save a single life, then you have saved all of humanity. You know that one? PETER SINGE

发表于:2019-01-17 / 阅读(66) / 评论(0) 分类 2017年NPR美国国家公共电台5月

小小泡沫把普通水变成强力清洁剂 While a stream of ordinary cold water may clean some dirt it is not considered an effective cleaning agent. But when two inventors at the University of Southampton added a little ultrasound the water beca

发表于:2019-01-19 / 阅读(63) / 评论(0) 分类 VOA双语新闻 2015年11月

By David McAlary Washington 07 June 2006 Children collect water in Luanda, Angola Researchers in Bangladesh have tested a drug that cures cholera in most patients, showing that it is a useful new weap

发表于:2019-02-04 / 阅读(198) / 评论(0) 分类 2006年VOA标准英语(六月)