选词填空。
密 蜜 ( )糖 秘( ) 蜂( ) ( )林
蓝 篮 ( )天 ( )球 ( )子 ( )色
蜜；密；蜜；密； 蓝；篮；篮；蓝
— You must find one exam after another very tiring.
— __________. In fact, they offered me good chances to apply what I had learned .[ ]
A. It's up to you
B. Not in the least
C. It just depends
D. Don't mention it
电子设备通风计算机主要用于（）
A.确保控制和监控电子舱通风系统；
B.控制和监控制货舱通风部件；
C.控制和监控PACKs。
