资料：最后，大家谈论了中国在绿色经济方面做出的杰出贡献，请根据下列资料回答问题。
On behalf of the organizing committee, we cordially hope you can join us at the Low Carbon Earth Summit-2011, with a theme of “Leading the Green Economy, Returning to Harmony with Nature”, which will be held during October 19-26 , 2011 at World Exposition Center, Dalian, China. As far as we know, your work in this field is a clear example of the leadership, so we would like to highlight your effort at our conference and hope you can give a speech at track 7-8-28: Anaerobic Biotechnology for Bioenergy Production.
The purpose of LCES-2011 is to provide a wold-class meeting place for information exchanges and trade fair for promoting Low Carbon Economy. It will take the form of plenary lectures, oral presentations, posters, exhibitions and project matchmaking. LCES-2011 will support new business development with the opportunity to learn from one another’s experiences in this field, identify ways to play an even more active role in control of global climate change, and seize further green investment opportunities for innovators and entrepreneurs worldwide.
Lastly, we would like to urge you not to miss this historical initiation and actively join us with your great passion and contributions. Hope to see you in Dalian in the golden fall season.
According to the passage which of the following will NOT be the contribution of the summit?（ ）
本题考查的是细节理解。
【关键词】not be the contribution of the summit
【主题句】第2自然段The purpose of LCES-2011 is to provide a wold-class meeting place for information exchanges and trade fair for Promoting Low Carbon Economy“LCES-2011的目的是提供一个世界级的信息交换和贸易洽谈平台，从而促进低碳经济”；...play an even more active role in control of global climate change...“在控制全球气候变化方面发挥更积极的作用”；...seize further green investment opportunities for innovators and entrepreneurs worldwide...“帮助世界各地的发明家和企业家抓住更多的绿色投资机遇”。
【解析】本题问的是“根据这篇文章，以下哪项不是此次峰会的贡献？” 选项A 意为“更多的经验交流和商业发展”；选项C意为“更积极的态度来应对气候变化”；选项D 意为“更多绿色投资机会”。结合文意，通过排除法只有选项B未提及，故B选项正确。
下列关于公司的表述，正确的是（）
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根据电视收视率调査，看体育节目的观众中青年人比中老年人要多。
由此可推断出（）
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以上陈述的事实最有力地支持了以下哪项假说？（）
疾病控制中心对某校髙中三个年级的学生进行抽样做视力状况调查，抽样的方法为分层抽样（按比例抽样），若高中一、二、三年级学生人数分别为626、703、780，样本容量为84，则应从离二年级抽样的学生人数为多少？（）
