小狗和小猫谁更聪明些?人们对此争论了好多年,最近的科学研究终于有了结果。因为这些动物大脑中神经元的数目不一样,因此这些动物的聪明程度也不一样。
1.Whatdoestheunderlinedword“ruffle”mean
AAnnoy.
BExcite.
CHelp.
DEncourage.
2.HowdidDrHerculano-Houzeldeterminetheintelligenceofdogs
AThedifficultyoftheirbehaviours.
BThedifferenceoftheircharacters.
CTheplacewheretheyoftenlive.
DThenumberofneuronstheyhave.
3.Whyareraccoonsconsideredasoneofthemostintelligentanimals
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