第一节One possible version:Alecture oh Beijing OperaA wonderful lecture was givenby a well-known master of BeijingOpera,Mr.Ma,in the schpol lecturehal...

4.copy the file5.stream videos6.go online 9.1使用搜索引擎10.发评论11.上网聊天

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3.speak a dialect4,学一门新语言5.指的是；描述；提到；查阅 6,以英语为母语的人7.in modern times8.date back to ..

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6.获得了几次冠军称号7.放弃；投降8.输掉比赛 11.lose weight12.try every new diet13.add healthy foods to mymeals