A.CF2 | B. | C.CH3CH2OH | D.——COOH |
A.乳酸 CH3—CHOH—COOH |
B.甘油 CH2OH—CHOH—CH2OH |
C.脱氧核糖 CH2OH—CHOH—CHOH—CH2—CHO |
D.核糖 CH2OH—CHOH—CHOH—CHOH—CHO |
A.CH3CH2 CH2CH3和CH3CH(CH3)2 | B.CH2=C(CH3)2和CH3CH=CHCH3 |
C.CH3CH2OH和CH3OCH3 | D.CH3CH2 CH2COOH 和CH3COOCH2 CH2 CH3 |
A.只含1个键的直链有机物 | B.含2个键的直链有机物 |
C.含1个键的环状有机物 | D.含1个键的直链有机物 |
A.CH3CH3 | B.CH3COOH | C.CH3CHO | D.CH3CH2OH |
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