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Source: Bureau of Labor Statistics, Current Population Survey.
语句间的衔接成分用的不错，同时文章中的过程性词汇很丰富；句子错误偏多，建议修改；文中能较熟练地使用一定的学术词汇，不过单词拼写方面要继续努力；请注意分段。
Ladies and Gentlemen,Thank you vey much for coming this meting in this afternoon .Now,I am going to introduce a new idea as air-conditionning how to save power,First of all, I am going to talk about market research which can develop this productions ,then I can explain this productions about developing technique,producting productiona and marketing skills,finally I will offer some advice to you as the productions how to go success in the market
