The nationwide survey was conducted by Public Policy Polling on September 26 and 27.

这项由“公共政策调查”机构开展的全国性调查于上月26日和27日进行，共有452名雇员参与。

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According to public Policy Polling, only 21 percent of Republican voters in Iowa believe in global warming (and only 35 percent believe in evolution).

根据公共政策普调，在爱荷华州的共和党选民中，只有21%的受访者相信全球变暖(只有35%认相信进化论)。

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According to public Policy Polling, only 21 percent of Republican voters in Iowa believe in global warming (and only 35 percent believe in evolution).

根据公共政策普调，在爱荷华州的共和党选民中，只有21%的受访者相信全球变暖(只有35%认相信进化论)。

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