旅游英语口语-华盛顿特区

STUART: I'm glad I brought my jacket on this trip. SHARON: Yes, I didn't know Washington, DC got so cold in winter. STUART: What would you like to do today? SHARON: I really think we should take a tour of the White House. STUART: I thought we could

恐怖组织瞄准喀麦隆学校的孩子们

Terror in Cameroon Targets School Children 恐怖组织瞄准喀麦隆学校的孩子们 The Cameroonian government says that terrorism threatens large numbers of schoolchildren. Two bomb attacks killed nine people last month in the town of Kolofata,

Trump Considering Sales of Guns Made by 3D Printers

President Donald Trump says he is studying whether guns made by a three-dimensional (3-D) printer should be sold in the United States. Trump wrote on Twitter the idea doesnt seem to make much sense! He added that he spoke to the National Rifle Associ

流利美国口语6.4

W: So here we are, at the beginning of a new century. Looking back on the past century, I feel many things are incredible. M: You can say that again. A century ago, who would ever imagine that cars, TVs, telephones, cell phones, walkmans, helicopters

SSS 2010-08-25

Youve probably seen dogs working security at airports, sniffing for drugs, bombs and contraband food. Now our best-friend biosensors might have a new task: ferretting out the scent of bird flu. And they may not be alone on the job. Researchers from t

英语听力：自然百科 国家地理：钻石：黑暗的一面—2

Surrounded by infra-red cameras, motion detectors and light sensors, the volt and its lock with a million of possible combinations are broken open, without triggering any of its state-of-the-art alarm systems. More than a hunderd safty boxes were bro

【小龟乐游记】调查局：幽浮解密（12）

文本： Leon Barnes:Target's up ahead,just around this next bend. William Carter:__(1)__,Barnes.We'll be in range of their detectors soon. Leon Barnes:We've been in range.Looks like Heinrich really came through for us. Alan Weir:With his signal jam

经济学人:防止伪造 英国新推一英镑硬币(2)

It also boasts a hologram-like latent image that changes from a pound symbol to a 1 when the coin is tilted. 它还具有类似全像型的潜像，使得当硬币倾斜时会从英镑的符号变成1。 Then there is what the mint calls covert secur

Student Activist: 'We Are Going to Make a Serious Difference'

The recent school shooting at Marjory Stoneman Douglas High School in Parkland, Florida, claimed the lives of 17 students and teachers. It also started a wave of protests among young people across the country. These student activists are calling for

US Spacecraft to Probe Origin of Gamma Rays

By David McAlary The U.S. space agency, NASA, launched a satellite Saturday that scientists hope will help them locate the sources of mysterious gamma ray explosions, the brightest most energetic burs

面部识别能帮助防止校园枪击案发生吗?

Can Facial Recognition Help Prevent School Shootings? American education officials have sought new ways to make schools more secure following several deadly shootings in recent years. One of them took place in February at Marjory Stoneman Douglas Hig

美国研发的手机APP今年共记录近400次地震

An application, or app, developed by researchers at the University of California, Berkeley, has recorded nearly 400 earthquakes since it was launched in February this year. 加州大学伯克利分校的研究人员开发的一款应用程序，自今年

CNN 2010-01-15

RANDI KAYE, CNN CORRESPONDENT: We take our shoes off, remove our laptops, and toss our bottled water all in the name of safety. But are we any safer today than we were before 9/11? Not exactly, says Bruce Schneier, author and security technologist. B

CNN 2012-05-12

Nice job on that iReport, Madison (ph).We're glad to see all of you tuning in to this midweek edition of CNN Student News.My name is Carl Azuz.Let's get started. First up,investigators are studying an explosive device that they say could have ended u

2007年VOA标准英语-Ten Years After Mine Ban Treaty Work Continues

By Scott Bobb Huambo, Angola 17 September 2007 International civic groups are in Norway to mark the 10th anniversary of the treaty banning anti-personnel landmines. The Treaty has been signed by 155 countries and activists say it has brought thousand

VOA慢速英语2015 可预防的一氧化碳中毒每年仍夺去许多生命

AS IT IS 2015-05-11 Preventable Carbon Monoxide Still Claims Many Lives 可预防的一氧化碳中毒每年仍夺去许多生命 Many areas around the world suffer from frequent loss of electrical power. People often must use other sources of power,

VOA慢速英语2015 你会吃来自福岛的食物吗?

AS IT IS 2015-03-23 Would You Eat Food from Fukushima? 你会吃来自福岛的食物吗? Thousands of delegates from around the world gathered this month in northeast Japan for a United Nations conference on disaster relief. Four years ago, the area

pbs高端访谈:学生对预防枪械暴力的观点

RAY SUAREZ:In the wake of the Newtown massacre, the NewsHour asked students from the 45 schools participating in our Student Reporting Labs project about ways to prevent the next school shooting. Here is a sampling of what they said. SHARONDA CLARK:

科学家发现引力波 印证爱因斯坦预言

David Reitze, executive director of the U.S.-based Laser Interferometer Gravitational-Wave Observatory, also known as LIGO, made the announcement in Washington D.C. Ladies and gentlemen, we have detected gravitational waves, we did it! The gravitatio

CCTV9英语新闻：在震中对幸存者的搜寻仍

The worst-hit area is the town of Longtoushan, the epicenter of the earthquake. The road there is narrow and packed with trucks carrying relief supplies. After nearly 5 hours trip, CCTVs Wu lei arrived at the epicenter and filed this report. Rescuers