41.[E] These issues all have root causes in human behavior .all require behavioral change and social innovations , as well as technological development . Stemming climate change , for example , is as much about changing consumption patterns and promoting tax acceptance as it is about developing clean energy.

　　42.[F] Despite these factors , many social scientists seem reluctant to tackle such problems . And in Europe , some are up in arms over a proposal to drop a specific funding category for social-science research and to integrate it within cross-cutting topics of sustainable development .

　　43.[B] However, the numbers are still small:in 2010,about 1,600 of the 100,000 social-sciences papers published globally included one of these keywords.

　　44.[G] During the late 1990s , national spending on social sciences and the humanities as a percentage of all research and development funds-including government, higher education, non-profit and corporate -varied from around 4% to 25%; in most European nations , it is about 15%.

　　45.[C] the idea is to force social scientists to integrate their work with other categories, including health and demographic change food security, marine research and the bio-economy, clear, efficient energy;and inclusive, innovative and secure societies.

　　46. 然而,令人震惊的是,当人们看到又无家可归者建造的花园照片时,由于风格的多样性,所有这些花园显示了超越了装饰与创造性表现的其它各种各样的基本诉求.

　　47.尽管可能有点简陋,但这一神圣和平之地明显象征着人类需求,就好比外壳明显象征着动物需求.

　　48. 那些无家可归者的花园实际上是"无家可归"的家园,同花园被引入了城市,在那儿,它们之前即不存在也未曾像这样可以被辨识.

　　49 . 我们中的大部分人屈服于道德败坏,在某些心理状态下我们通常归咎于道德败坏,直到有一天我们发现自己身处花园,压迫感奇迹般地消失了.

　　50. 尽管在某种被解放的意义上,但正是这种含蓄或明显的对大自然的引用认可了使用“花园”一词来描述这些被合成的建筑。