托福 11
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古埃及雕塑 / Ancient Egyptian Sculpture
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定位和导航 / Orientation and Navigation
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雏鸟的乞食行为 / Begging by Nestlings
托福 12
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他们到底用哪只手? / Which Hand Did They Use?
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电影声音的演变 / Transition to Sound in Film
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沙漠中的水源 / Water in the Desert
托福 13
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社会群组的类型 / Types of Social Groups
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研究婴儿感知能力的方法 / Methods of Studying Infant Perception
托福 14
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儿童和广告 / Children and Advertising
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玛雅的水源问题 / Maya Water Problems
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古代内欧的畜牧 / Pastoralism in Ancient Inner Eurasia
托福 15
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温血海龟 / A Warm Blooded Turtle
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大规模物种灭绝 / Mass Extinctions
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冰川的形成 / Glacier Formation