—Your ring is nice.
—_______.[ ]
A. Thank you
B. OK
C. Sorry
D. It's not nice
答案:A
极谱法中加入支持电解质的目的在于()
A.消除扩散电流
B.消除迁移电流
C.消除充电电流
D.消除残余电流
监视NCP时需要在Setup connection中输入()
A.VPI
B.PVC
C.CID
D.VCI