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有声畅销书-秘密
Michelle Bachelet was born in 1951. She is the first woman to become President of Chile. She won the 2006 election in a runoff, campaigning to help reduce the countrys huge gap between rich and poor. In 2008, Time magazine ranked her fifteenth on its
各国名人英文介绍
Rachel Carson (19071964) was a pioneer of the global environmental movement through her writing about conservation. Her 1962 book Silent Spring made her famous. It describes the harmful effects on the environment of using toxic chemicals on farmland.
各国名人英文介绍
Standard medical supplies might seem like an important donation in developing countries but American obstetrician Laura Stachel saw the need for something even more basic: reliable power. Basic need Stachel is crouching on the floor of her Berkeley k
VOA标准英语2010年(五)月
JEFFREY BROWN:And we have two takes on questions being asked about the day after the rulings. First, how the court's decisiondecisions impact federal benefits for same-sex couples and the continuing challenges ahead. Winnie Stachelberg joins me to ex
PBS访谈社会系列
Working alone in the lab on the morning I passed through was a cheerfully grizzled, looking fellow in a blue work shirt 一天上午，我从里面经过，只见一个身穿蓝色工作服、头发灰白的人独自在实验室里忙碌。 whom I re
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