干燥失重
参考答案：干燥失重是指药品在规定的条件下，经干燥后所减失的量，以百分率表示。
税收缴款书类包括（）。
A.税收缴款书
B.税收汇总缴款书
C.税收出口缴款书
D.出口货物完税分割单
-I heard one of his ________ paintings was sold at a very high price.
-Yes, a wealthy man bought it for 100,000 dollars；anyway，he is worldfamous.[ ]
A．valueless
B．precious
C．single
D．secret
