問題詳情
【題組】40.Why do wild rabbits change their color from brown to white in winter?
(A) Because they feel hungry.
(B) Because they look more beautiful.
(C) Because they become stronger.
(D) Because this way can save(拯救) their lives.
參考答案
答案：D
難度：計算中-1
書單：沒有書單，新增
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題意:為何野生的兔子在冬天會從棕色變成白...