第18题:[单选题]The study shows that joy is not unique to human beings. A.universe B.special C.single D.confined 参考答案:B 研究显示,愉悦并不是人类所特有的。universe“宇宙”,如:There are many mysteries we don't know about the universe.有很多关于宇宙的秘密我们还不知道。special“特殊的”,如:These children need special care.这些孩子需要特殊的照料。single“单个的,单一的”,如:Each single house in the street was burnt down in the fire.这场大火中街上每一座房子都被烧毁了。confined“局限于”,如:This job will not be confined to the eastern area.这项工作不会仅局限于东部地区。只有special意思上和unique最接近。