A.对
B.错
[单选题]A.0.3VB.-2.3VC.1.0VD.1.3V
[判断题]A.对B.错
[单选题]A.水杨酸的核磁共振氢谱有4个峰B.C.D.
[单选题]A.扩大模仿B.紧缩模仿C.倒影模仿D.逆行模仿