precious跟priceless的区别

　　precious

　　adj.珍奇的;珍稀的;宝贵的;珍贵的;受珍爱的;被珍惜的;

　　adv.强调极少或太少;

　　[例句]After four months in foreign parts, every hour at home was precious

　　在国外呆了4个月后，在家的每一刻都是宝贵的。

　　比较级：more precious

　　最高级：most precious

　　priceless

　　adj.无价的;极珍贵的;极重要的;极有趣的;

　　[例句]They are priceless, unique and irreplaceable.

　　它们是独一无二、不可替代的无价之宝。

　　Human life is _____，so he makes every effort to make many___discoveries in science.

　　A.precious，valuable

　　B.priceless，valuable

　　C.priceless，precious

　　答案：B