A.CH3−CHO
B.CH3−CO−CH3
C.CH3−COOH−CH3
D.CH3−O−CH2−CH3
第3题
A.CH3-CHO
B.CH3-CO-CH3
C.CH3-CHOH-CH3
D.CH3-O-CH2-CH3
第4题
A.CH3-CHO
B.CH3-CO-CH3
C.CH3-CHOH-CH3
D.CH3-O-CH2-CH3
第5题
A.CH3-CHO
B.CH3-CO-CH3
C.CH3-CHOH-CH3
D.CH3-O-CH2-CH3
第6题
A.CH3-CHO
B.CH3-CO-CH3
C.CH3-CHOH-CH3
D.CH3-O-CH2-CH3
第7题
A.H3-CHO
B.H3-CO-CH3
C.H3-CHOH-CH3
D.H3-O-CH2-CH3
第8题
A.CH3—CHO
B.CH3—CO—CH3
C.CH3—CHOH—CH3
D.CH3—O—CH2—CH3
第9题
A.CH3—CHOH—CH3
B.CH3—CO—CH3
C.CH3—CHO
D.CH3—O—CH2—CH3
第10题
A.CH3—CHO
B.CH3—CO—CH3
C.CH3—CHOH—CH3
D.CH3—O—CH2—CH3
第11题
A.CH3—CHOH—CH3
B.CH3—CO—CH3
C.CH3—CHO
D.CH3—O—CH2—CH3
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