2009年5月21日,中国人民银行隆重发行中国2010年上海世界博览会金银纪念币(第1组),其中1/3盎司金币1枚,最大发行量50 000枚,1盎司银币2枚,最大发行量各为70 000枚,成色99.9%,均为法定货币。该套纪念币 ①有价值和使用价值 ②具有流通手段职能 ③其购买力是固定的 ④具有价值尺度职能
Bill Gates is so _____ that he has given away most of his money to charity.
If the service is awful, a customer has the right to _____ to the manager.
It will take a lot of time and_____ to finish the task on time.
We’ll have our picnic in the place _____ most of us like best.
My house _____ when you visited Beijing last time, so I didn’t invite you to my home.