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【单选题】
下列说法哪个正确？A.
保持正规的了望,就意味者在任何时候, 每一船細应使用雷达邀行不间断的观察
B.
保持正规的了望,就意味着在任何时候, 每-船舶应采取适合当时环境和情况下一切有效的手段保持系统的观察
C.
保持正规的了望,就意味着在任何时候, 每-船舶应使用视觉进行不间断的观察
D.
保持正规的了望,就意味着在任何时候，每-船舶应使用听觉进行不间断的观察
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【单选题】制作奶油蘑菇汤的原料包括______。
A.
. 单种鲜蘑、牛奶、牛基础汤
B.
. 多种蘑菇、橄榄油、牛奶
C.
. 牛奶、多种蘑菇、黄油
D.
. 牛奶、布朗基础汤、香菇
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