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By Alex Villarreal Washington 31 October 2007 NASA has delayed the fourth spacewalk of a complex two-week mission by U.S. space shuttle Discovery to boost the capability of the International Space Station. The walk, originally set for Thursday, is no
2007年VOA常速英语（十月）
Mark: Hey, Todd, when you look back on your high school experience, do you, in general, do you see it as a positive or a negative experience? Todd: Oh, definitely positive. It was one of the best times of my life. Mark: Yeah. Todd:Oh, it was awesome.
2015年VOA慢速英语(一)月
Mark: Hey, Todd, when you look back on your high school experience, do you, in general, do you see it as a positive or a negative experience? Todd: Oh, definitely positive. It was one of the best times of my life. Mark: Yeah. Todd: Oh, it was awesome
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NATO Vows to Help Libyan People for 'As Long as Possible' NATO defense ministers have pledged to stay the course in their two-month air campaign against Libyan leader Moammar Gadhafi. Their comments came a day after coalition warplanes carried out so
VOA标准英语2011年(六月)
NATO延长利比亚军事行动 称欲保护利比亚人民 Defense ministers from the North Atlantic Treaty Organization (NATO) say they are extendingthe campaign against Libya's Moammar Gadhafi for another 90 days from the end of June. In astatemen
VOA标准英语2016年(七月)