. 以下哪项不属于艾克曼教授定义的非言语沟通方式
. 梦是心理学最早研究的一个问题,以下说法正确的是
使用药物治疗心绞痛的主要措施就是降低心肌耗氧量。
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John Ruskin was the leading English art critic of the Victorian era . In his Modern Painters , he argued that the principal role of the artist is ( ).