木材中()水发生变化时,木材的物理力学性质也随之变化。
参考答案:吸附
l didn't go to bed __ my mother came back. [ ]
A. until
B. while
C. since
D. unless
当转出方为卡内主账户时,选择()卡内主账户取款交易。
A、37451
B、37452
C、37450
D、37453