下列属于管理开发的必要性的原因有（）。 ["管理人员地位","竞争优势的获得渠道","角色的转变需要","经营环境变化"]
若设定值不变，当烟囱的吸力降低时，烟道调节翻板的开度会自动（） ["开大","关小","不变"]
You are on a 165-foot (50.3 meters) long vessel with a draft of 9 feet (2.7 meters) and twin screws. Which statement about rescuing a survivor in the water with ship pickup is TRUE? （） ["You should stop to windward of the man and drift down on him","You should stop with the man on your weather beam and twist the ship up to him","A pickup off the weather bow gives maximum maneuverability with the least possibility of injury to the man","Ship pick up should never be used with a shallow draft vessel"]
在组织开发的方法中，团队建设方法的具体过程有（）。 ["再行动","行动","再冻结","解冻"]
对公客户签约时可以选择开通渠道。可以开通的渠道包括（） ["A.柜面渠道（系统默认）","B.网银渠道","C.现金管理银企通平台","D.手机银行"]
简述原虫病的类型。
