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【单选题】
下列哪种为非必需脂肪酸( )A.
花生四烯酸
B.
亚油酸
C.
油酸
D.
亚麻酸
E.
以上都不是
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反馈参考答案：
举一反三
【单选题】which class of fire should burning diesel oil be treated as?
A.
Class ‘C’
B.
Class ‘D’
C.
Class ‘B’
D.
Class ‘A’
【简答题】Burning light metals should be treated as which class of fire?
【单选题】Burning diesel oil should be treated as which class of fire?
A.
Class 'A'
B.
Class 'B'
C.
Class 'C'
D.
Class 'D'
【简答题】Burning generators should be treated as which class of fire?
【简答题】Burning wood should be treated as which class of fire?
参考解析：
知识点：
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