单词：reward theory
单词：reward theory 相关文章
SCIENCE IN THE NEWS - Scientist Says Restricting Fish in Pregnancy Diet Might Do HarmBy George Grow Broadcast: Tuesday, January 31, 2006 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special E
2006年慢速英语（一）月
The United States Agency for International Development, or USAID, is partnering with the Government of Pakistan's Sindh province on a children's anti-typhoid campaign by donating 250,000 medical disposable syringes. 美国国际开发署(USAID)正在与
VOA标准英语2018年(三月)
[00:27.56]A leaked French intelligence document raises the possibility [00:31.35]that Osama Bin Laden died of typhoid, [00:34.51]but President Jacques Chirac said that [00:38.12]the report was in no way confirmed [00:41.24]and officials from Kabul to
轻松英语之旅
Im Doug Johnson. Today we tell about the first woman chief of the Cherokee Nation, Wilma Mankiller, who died earlier this week. We also answer a question about the great American writer Ernest Hemingway. And we play music by a young jazz musician Esp
2010年VOA慢速英语(四)月
SUVA, Dec. 18 (Xinhua) -- There are 60 typhoid cases in Nanoko, with 29 already hospitalized, according to Fiji's Health Ministry. Senior Health Inspector Paula Laqere said Sunday that the increas means that people are not practicing proper hygiene s
英语新闻
新托福口语的阅读材料不长，但题材广泛，而考生的知识又受限于自己所学的专业，不可能面面俱到。这样，当遇到材料的内容非常陌生时，尽管表面上看没有生词，也难免会出现读不懂的现
托福英语