People may use the expression "birdbrain"in English to talk about someone who is stupid， but crows prove that this is unfair． Now it has been discovered that crows may understand analogies （类推法）．

32-35 C B A D32．C．推断题．根据最后一段Wasserman was surprised that crows were able to solve the problem without any training in RMTS．"可知Wasserman很惊讶，乌鸦能够在没有任何RMTS培训的情况下解决问题．说明乌鸦在测试中得到了奖励，故选C．33．B．细节推断题．根据第三段If a pair was AA，for example，then picking BB to match it would be correct．If the pair was CD，however，then EF would be correct．可知在RMTS测试中，一对AA与BB相匹配是正确的．如果一对CD跟EF相配对是正确的．由此推知，在RMTS测试，如果鸟儿被给两个大小相同的三角形，它们不得不选择两个相同大小的圆．故选B．34．A． 猜测词义题．根据最后一段Wasserman was surprised that crows were able to solve the problem without any training in RMTS．可知乌鸦能够在RMTS测试中无任何训练地解决问题．乌鸦的这种学习是自发的．由此推知，"spontaneous"意思为"自发的，自然产生的"．故选A．35．D． 主旨大意题．根据Now it has been discovered that crows may understand analogies可知文章主要介绍了最近对乌鸦做的一些测试，结果说明它们并不像人们想象地那么笨．故选D．