42.Deer are the only animals with bones ..-阿摩線上測驗
2F 阿哲 大四上 (2016/05/23)
42.Deer are the onlyanimalswithbonessticking out of theirheads. Someanimalshavehorns, but hornsaren’t bones. They are morelikefingernails. Deerhavetruebones. Everyyear two new bonesgrowfrom the top of a deer’s head. At first the bones are soft and coveredwithskin. Later the skindries up. The deerrubs off the skin. The bones get hard. The deerusesthesehorns for fighting. The passagemainlytells __________. 42.鹿是唯一的動物骨頭伸出他們的頭。有些動物有角,但牛角不是骨頭。他們更喜歡的指甲。鹿有真正的骨頭。每年兩個新的骨頭從鹿的頭頂部增長。起初,骨頭都軟,覆蓋著皮膚。後來,皮膚乾枯了。鹿擦掉皮... 查看完整內容 |
3F
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