听录音,回答题 How old is Ryan?

听录音,回答题 How old is Ryan? A.Twenty-two years old. B.Three years old. C.Three mon

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根据下面资料,回答题 With unfamiliar human beings, when we acknowledge

根据下面资料,回答题 With unfamiliar human beings, when we acknowledge their humanness, w

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What does the speaker mainly discuss?

What does the speaker mainly discuss? A.The distribution of different species of

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