高效毛细管电泳法().
A.FPIA
B.GC
C.HPCE
D.HPLC
E.RIA上述缩写表示
参考答案:C
You ______ drink wine before driving, or the police will take your license away.[ ]
A. don't have to
B. needn't
C. mustn't
D. may not
为了弹出对象快捷捕捉菜单,需要在按住Shift键的同时右击。