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2012年．安徽国家级企业技术中心所在企业户均新产品销售收入同比约： 查看材料
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In writing， which session is used to get students to think freely and put down all possible ideas related to the topic that come to their minds？
In a factory， Li， the guide， is interpreting for a gronp of foreign guests. When they havefinished visiting one workshop， he would like the group to follow him to the next workshop. He says，.
The phrase "his pen" is pronounced as_________in real speech.
A variety of a language used recognizably in a specific region or by a specific social class is called__________.
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