According to SOLAS, 1974, as amended, the shipowner or any person who has assumed responsibility for the ship (the “Company”) must（） ["establish SMS in accordance with ISM","establish ISM in accordance with SMS","establish ISM and SMS","both B and C"]
在检查动车组检修（）、（）、受电弓、脚蹬、（）和（）等由压缩空气供给能量的系统时，始终要小心因为空气压力变化而可能引起的意外移动，避免导致人身和设备伤害。
关于我国各地水土资源的叙述，正确的是（） ["西北地区土地广阔，水资源不足","北方草原广阔、耕地多，水资源不足","南方水田少，但水源充足","青藏高原广阔，耕地多，光照长土壤肥力高"]
黄土高原自然灾害发生越来越频繁的原因是（） ["地理位置特殊","生态系统比较稳定","人类不合理开发利用","全球气温升高"]
The SOLAS Convention is the main international convention（） ["about marine pollution prevention","covering safety of life","about marine","about ship and port security"]
简述田口方法。
