Windows XP属于( )软件,应用软件在它的支持下工作.
参考答案：系统
Sometimes the police are not absolutely sure that someone has committed a crime, but ________ him of
having done it.
A．charge
B．suspect
C．inspect
D．doubt
下列肝炎病毒，属DNA病毒的是（）
A.HAV
B.HBV
C.HCV
D.HDV
E.HEV
