This can be seen as clear______ of the appeal of Fine Fitness.
A.witness
B.sign
C.display
D.evidence
- · 有4位网友选择 C,占比44.44%
- · 有4位网友选择 D,占比44.44%
- · 有1位网友选择 B,占比11.11%
A.witness
B.sign
C.display
D.evidence
A、2228
B、12228
C、22228
D、32228
A、CH3COOH>CH3CH2OH > CF3COOH> CH3NH2
B、CF3COOH> CH3NH2> CH3COOH>CH3CH2OH
C、CF3COOH> CH3COOH>CH3CH2OH> CH3NH2
D、CH3COOH> CF3COOH> CH3CH2OH> CH3NH2
A、CH3COO- >CH3CH2O- > PhO-> NH2-
B、NH2- >CH3CH2O- > PhO-> CH3COO-
C、NH2- > CH3COO- >CH3CH2O- > PhO-
D、CH3CH2O- > PhO- >NH2- > CH3COO-
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