【单选题】A client asks a technician to add a DVD+R burner to a computer system. The technician does this and successfully tests the drive. Three weeks later, the client calls and says that the burner is no lon...
A.
check for a faulty IDE cable
B.
be sure that the DVD+R is formatted before using it
【简答题】By late last week, there were more than 4,800 cases of SARS in 27 countries and 293 deaths - small numbers in the scheme of global threats. Many people couldn’t help but wonder if health officials and...