在ISM规则的有关内容中，SMS的最高层为（）。

正确答案：B

正确答案：D

正确答案：C

正确答案：B

正确答案：C

正确答案：A

正确答案：C

正确答案：B

正确答案：B

正确答案：IMO is international maritime organization under the united nations . ISO9000 m\eans international standard organization ,an organization making the quality management standards and doing the quality audit service . ISM means international management code for the safe operation of ships and for pollution prevention .this is compulsory rule made by the IMO . The ISM code includes 16 chapters falling falling into two parts :implementation for part one ,and verification and certification for part one .the 16 chapters are : general ,safety and environment protection policy ,company responsibilities and authority ,designated persons ,master responsibility and authority ,resources and personnel ,development of plans for shipboard operation ,emergency preparedness , reports and analysis of non conformity ,accidents and hazardous occurrences , maintainence of the ship and equipment ,documentation ,company verification ,review and evaluation ,certification and verifications and control ,certification and periodical verification ,verification ,interim certification ,and forms of certificates .the last four chapters are newly added in the new version of ISM Code . SMS means safety management system ,and this system is mad based on the 16 elements of ISM Code ,which is a compulsory part SOLAS 74 .the shipowner or manager cannot get document of compliance (DOC) and SMC without audited safety management certificate (SMC) by class designated by the flag registry country adiministration .