单词:unpermeable seam
[土壤] 不透水层
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2a [00:03.50]Listen and number these phrases [00:05.89]in the order you hear them. [00:07.43] [00:08.40]Hi,Mark.I want to have a class party. [00:12.67]Wil you help me organize it? [00:14.91]Sure,Andrea.I can help you. [00:18.02]So when shall we have
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The Green Alley program is an effort to reduce flooding, save energy and decrease heat in the city. Transcript of radio broadcast: 13 July 2008 This is the VOA Special English Development Report. An environmental project in the American city of Chic
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Sometimes I like the word no, and sometimes I hate it. It is a very powerful word, even though it has just two letters. I dont like the word no when I have been for a job interview and didnt get the job. I also hate this word when I ask someone on a
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