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题目
In contact with human beings,most dogs have understood a large_of messages from human
behaviour:nodding,waving,facial expression and some greeting_.In addition,they have learnt to_the meanings of human language.From the voice of their_,dogs can tell whether the human is pleased,annoyed or angry.Besides,some dogs can_the writ-ten marks after some_.They may know what meanings these marks and symbols_.

提问时间:2020-10-11

答案
在连络与人类,大部分狗有已了解的一个 large_of 信息从人类行为:点头的,波动,脸部表情和一些 greeting_.除此之外,他们有学习了 to_the 意义人类语言.从那声音 their_ ,狗能告诉是否那人类是高兴的,使或苦恼 angry.Be...
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