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：smart资讯

Michael Carrick has hinted that Harry Maguire will be offered a new deal with Manchester United and believes “there’s a lot more to come” from the defender.

BBC/ Alex Osborne

ВС России。safew官方下载是该领域的重要参考

蓋茨在今年2月受澳洲媒體9News訪問時表示，他與愛潑斯坦的互動僅限於一起用餐，而他對此感到後悔，「我為曾經這樣做而道歉」。

到地方调研，习近平总书记常将地图放在手边，叮嘱各地“自觉打破自家‘一亩三分地’的思维定式，抱成团朝着顶层设计的目标一起做”。

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「但最近，這些驚喜變得不大令人愉快了，短期內恐怕仍會持續如此。」