Tim is in good shape physically _____ he doesn't get much exercise.[ ]

A. if

B. even though

C. unless

D. as long as

贵重中药密封吸湿干燥法的密封类型有

A．密封货柜(货橱)

B．密封坛缸

C．密封木箱

D．密封铁桶

E．密封库