了解、研究班级群体包括哪些内容？
客户在某农商行网点办理转账银行汇票签发，出票金额为700元，应收取手续费（）。 ["7元","8元","5元","6元"]
如何检修二次回路？
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"]
如何检修断路器（自动空气开关）？
