Questions: 1. Why are giraffes the cheapest to feed?为什么养长颈鹿最不花钱? They make a little food go a long way.因为它们脖子长,一点点食物都要走很长的路才能咽下去。 2. Why are dogs afraid to sunbathe?狗为什么害怕日光浴? (注意: 英语中洗澡的动词...