强制调湿
参考答案：
先把纸张放在高于车间8%相对湿度下达到平衡，再放在车间里平衡，这样纸张经过吸湿和解湿后再吸水的敏感性降低，使纸张相对稳定，变形较小。
股票市场上某只股票的价格为20元，预计下一期的股利是1元，并且会以10%的增长率持续增长，则隐含的必要收益率为（）。
A.12%
B.13%
C.14%
D.15%
W: Good morning, sir. Can I help you?
M: Yes, please. I w______(1) some pencils.
W: We have ten kinds of pencils . What color would you l_______(2)?
M: Red, yellow and black.
W: How m______(3) pencils would you like?
M: Five red ones, three yellow ones, five black ones.
W: How much are t_________(4)?
M: 9 dollars.
W: OK. I’ll t______ (5)them.
M: Anything else? W: No. Here is the money. Bye!
