单词：security model
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说一口流利的英语，从简单的单词开始。 听听，读读，背背，今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 even It's even colder than yesterday.
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Obama: Poland A Model for New Democracies President Barack Obama, in Warsaw Saturday, praised Poland as an example for aspiring democracies in the Middle East and elsewhere. The president also reassured Poles about the U.S. commitment to ensuring the
VOA标准英语2011年(五月)
17. For much of the past year,President Bush campaigned to move Social Security to a saving-accounting model, with retirees trading much all of their guaranteed payments for payments depending on investment returns. 【分析】简单句。句子主干
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The U.S pleaded to deepen cooperation with South Korea and Japan on deterring the North Korean nuclear threat. President Obama also met with China's President on the sidelines of a nuclear security summit in Washington. A police traffic camera caught
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BEIJING, May 12 (Xinhuanet) -- Italian archaeologists(考古学家) are digging the remains of Lisa Gherardini, a 16th-century woman who is widely believed to be the model for the famous portrait Mona Lisa, AFP reported on Wednesday. The team of hist
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An increasingly popular business model lets participating companies give to charity while making a profit. But the approach is blurring the lines between for-profit and not-for-profit organizations and raising questions about the real drivers behind
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