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【单选题】
What are the two steps of a process execution?
A.
I/O & OS Burst
B.
CPU & I/O Burst
C.
Memory & I/O Burst
D.
OS & Memory Burst
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麝香酮
B.
麝香吡啶
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雄甾烷
D.
胆甾醇
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A.
麝香酮
B.
麝香吡啶
C.
雄甾烷
D.
胆甾醇
E.
多胺
【单选题】麝香具特异香气成分是( )
A.
麝香酮
B.
麝香吡啶
C.
雄甾烷
D.
胆甾醇
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A.
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B.
麝香吡啶
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D.
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E.
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【单选题】麝香具特异强烈香气的成分是
A.
麝香吡啶
B.
羟基麝香吡啶A
C.
羟基麝香吡啶B
D.
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E.
麝香酮
【单选题】麝香具有特异强烈香气的成分是()
A.
麝香醇
B.
麝香酮
C.
麝吡啶
D.
雄甾烷
E.
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