单词：transcarbamoylase
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Alex wanted to become a citizen. He signed up for a citizenship class. He went to the first class. The teacher spoke only Spanish. All the other students spoke only Spanish. Alex spoke Spanish, too. He asked the teacher, Why are you speaking Spanish?
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歌剧院的幽灵
Alex wanted to become a citizen. He signed up for a citizenship class. He went to the first class. The teacher spoke only Spanish. All the other students spoke only Spanish. Alex spoke Spanish, too. He asked the teacher, Why are you speaking Spanish?
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U.S. President Barack Obama has made a surprise visit to Iraq to meet with American troops and commanders, and consult with Iraqi leaders. President Barack Obama is greeted by Gen. Ray Odierno, top US commander in Iraq, as he arrives in Baghdad, 07
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Obama Tells Syria's Assad to Lead Transition or Leave In his Middle East policy speech, President Barack Obama said Syrian President Bashar al-Assad faces the choice of either leading a democratic transition in his country or getting out of the way.
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A new study finds that sounds conveying negative emotions could be understood across cultural boundaries more readily than the sounds of positive emotions. Related Links Disa Sauter's paper in PNAS Things like laughter, crying, sighing, grunting ...
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