Dogs act like toddlers when you need help - but cats just watch. Scientists compared 3 groups: pet dogs, cats, and human toddlers in an experiment where a human parent hides and pretends to look for an object. 75% of dogs and children helped. Cats only helped if it was in their personal interest.

· · 来源：answer资讯

Less Than (6): Everything in this space must be less than 6. The answer is 1-3, placed horizontally.

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從委內瑞拉到移民鎮壓

Thinking Step 2: 推理第一个人。如果他不想要，他会直接说“不”（因为只要有一个不要，全称命题为假）。他说“不知道”，说明他自己想要，但他不确定后面两个人想不想要。，这一点在Line官方版本下载中也有详细论述

A barricade stands several hundred metres from parliament.。Line官方版本下载是该领域的重要参考

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