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【多选题】
Proteins can be globular or fibrous, and they can form ____________________.A.
filaments
B.
sheets
C.
rings
D.
spheres
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【单选题】Which of the equipment listed is most effective in processing bilge slops for overboard discharge? prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
A 15 PPM oily water separator.
B.
A magnetic duplex strainer. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
C.
Assembling the lube oil purifier as a separator and aligning it to the bilge overboard. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
D.
A 100 PPM oily water separator. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【单选题】世界钢材的主要出口国家和地区是( );钢材最大的进口地区为( );其次是( );( )是最大的产钢国
A.
欧盟；亚洲； 北美；日本
B.
欧盟；北美；亚洲；美国
C.
欧盟；亚洲；北美；中国
D.
北美；亚洲；欧洲；中国
【简答题】B Minutes after the last movie ended yesterday at the Plaza Theater, employees were busy sweeping up popcorns and gathering coke cups. It was a scene that had been repeated many times in the theater ’...
【单选题】The British mining equipment industry is______
A.
privately owned
B.
publicly owned
C.
jointly owned
D.
internationally owned
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