Inflatable liferafts are less maneuverable than lifeboats due to their（）. ["shape","shallow draft","large sail area","All of the above"]
下列采购活动，符合《药品流通监督管理办法（暂行）》规定的是（） ["个体诊所从个人手中采购药品","药品经营企业从个人手中采购中药材","乡镇卫生院从个人手中采购药品","个体行医人员从非法药品市场采购药品"]
怎样更换断路器（空气开关）？
In which situation could a vessel most easily capsize?（） ["Running into head seas","Running in the trough","Running with following seas","Anchored with your bow into the sea"]
怎样更换补偿电容器？
了解、研究学生的目的和意义是什么？
