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CR:1. the chicks in the experiment moved towards the screen with 3 balls behind ➡️ chicks can discern diff in no.
统计枚举 chicks in experiment推及到所有chicks 削弱
AC纠结选了A 因为A中提及了实验中的chick 即sample有特殊性 不具代表性
2. constellation doesn't resemble hunter or prey yet narrative in diff countries is universal. explain such conflict
D. legend gets passed on to diff countries 同一版本legend流传
RC:
P1: recent research shows ravens are smart 主要是BH TB 的实验
P2: 一个experiment证明了raven's logic
P3: ravens'cognition complexity的起源及raven intelligence地位
ddcdd |
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