阶段分类
1-5 入门基础，6-35 巩固练习，36 之后的用于测试和模考
学科分类
集中弥补容易丢分的话题和学科短板
11
Ancient Egyptian Sculpture
考友平均正确率：68.86%
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Orientation and Navigation
考友平均正确率：76.94%
Begging by Nestlings
考友平均正确率：63.36%
12
Which Hand Did They Use?
考友平均正确率：68.45%
Transition to Sound in Film
考友平均正确率：71.39%
Water in the Desert
考友平均正确率：71.45%
13
Types of Social Groups
考友平均正确率：66.04%
Biological Clocks
考友平均正确率：65.93%
Methods of Studying Infant Perception
考友平均正确率：78.83%
14
Children and Advertising
考友平均正确率：81.45%
Maya Water Problems
考友平均正确率：76.57%
Pastoralism in Ancient Inner Eurasia
考友平均正确率：75.29%
15
A Warm-Blooded Turtle
考友平均正确率：72.41%
Mass Extinctions
考友平均正确率：75.51%
Glacier Formation
考友平均正确率：66.70%
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