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VOA慢速英语2014 Economists Say College Costs Hurt Economy 经济学家称上大学成本上涨对经济不利

Economists Say College Costs Hurt Economy 经济学家称上大学成本上涨对经济不利 Hello from Washington, and welcome to As It Is, a program from VOA Learning English! Im Catherine Cole. The cost of college continues to rise, making higher

发表于:2018-12-08 / 阅读(47) / 评论(0) 分类 2014年VOA慢速英语(一)月

VOA常速英语2013--私营监狱减少监禁成本引发担忧

Private Prisons Can Reduce Incarceration Costs, But Worry Some 私营监狱减少监禁成本引发担忧 The southern U.S. state of Louisiana has the world's highest incarceration rate. With about one in 90 adults in the prison system, the state is

发表于:2018-12-08 / 阅读(45) / 评论(0) 分类 VOA常速英语2013年(十二月)

VOA常速英语2015--新技术降低废金属分离成本

Scrap-Metal Separation May Become Cheaper 新技术降低废金属分离成本 According to the Environmental Protection Agency, the United States throws 14.8 million tons of scrap metal into landfills every year. One of the main reasons is the diffi

发表于:2018-12-16 / 阅读(45) / 评论(0) 分类 VOA标准英语2015年(二月)

加拿大设计20公里长可充气通天塔使太空发射成本更低

20-Kilometer Inflatable Tower Could Make Space Launches Cheaper 加拿大设计20公里长可充气通天塔使太空发射成本更低 Launching space vehicles is still very costly because booster rockets are not reusable. A space elevator could mak

发表于:2018-12-16 / 阅读(51) / 评论(0) 分类 VOA标准英语2015年(九月)

VOA常速英语2014--象牙塔探讨美国大学教育的沉重成本

'Ivory Tower' Explores Crushing Cost of US College Education 象牙塔探讨美国大学教育的沉重成本 It's a hot, muggy day at Port City Brewery in Old Town Alexandria, just a stone's throw from Washington D.C., but the heat does not slow dow

发表于:2019-01-14 / 阅读(56) / 评论(0) 分类 VOA标准英语2014年(七月)

VOA常速英语2014--Experts Ponder Costs Of Climate Change 专家思考气候变化带来的成本

Experts Ponder Costs Of Climate Change 专家思考气候变化带来的成本 Climate change is making it harder than usual for scientists to figure out what the future will bring and what impact weather changes will have on society and the economy.

发表于:2019-01-14 / 阅读(58) / 评论(0) 分类 VOA标准英语2014年(三月)
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