《至真要大论》云：“审察病机，无失气宜”对“气宜”的解释是（）

A.五脏气机所宜

B.六气主时所宜

C.药物气味所宜

D.营卫之气所宜

E.以上均不是

Maintenance of charts and nautical publications up to date is a statutory requirement under the（）Convention.

A.STCW

B.MARPOL

C.SOLAS

D.ISM