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【多选题】
紫外线主要可以用于消毒A.
室内空气
B.
纸张
C.
塑料
D.
玻璃器皿
E.
物品表面
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举一反三
【单选题】At night while the ship is tied up to the dock，a fire breaks out in a cargo hatch. After sounding the alarm，what should the person on watch do?（）
A.
Begin fighting the fire immediately
B.
Await further orders from the Master
C.
Let go the lines to let the vessel drift to an anchorage
D.
Send a person to summon the shore authorities
【简答题】The guest shows his (1)________ to (2)________ out. His bill goes to (3)_________ Yuan in total. He has ordered two bottles of (4)________ and a (5)_________ on 6th hole so he had to add 25 Yuan to ...
【简答题】He's either a hero or a v_____, depending on your point of view. (a bad person who harms other people or breaks the law)
【简答题】主要适用于宽行距的中耕植物的灌水方式是（）。
【简答题】 商务谈判解决利益冲突的必要性
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