All modern (74) are multitasking and can support running several processes simultaneously.

A． database B. operating system C. MIS D. DOS

[单选题]A．ll modem______are multitasking and can support running several processes simultaneously．A．databaseB．operating systemC．MISD．DOS

[单选题]C．The term “multitasking” originally referred to a computer’s ability to carry out several tasks at one time. For many people, multitasking has become a way of life and even a key to success. In fact, some excellent mental aerobic exercises (人脑训练) in

[单选题]The term “multitasking” originally referred to a computer’s ability to carry out several tasks at one time. For many people, multitasking has become a way of life and even a key to success. In fact, some excellent mental aerobic exercises (大脑训练) invo

[单选题]__________[A] Above all [B] After all [C] However [D] Otherwise

[单选题][A] All in all [B] In addition [C] In case [D] After all

[单选题]__________[A] at first[B] at all[C] at large[D] at times

[单选题]Modern life is impossible without traveling. The fastest way of traveling i

[单选题]Modern life is impossible without traveling. The fastest way of traveling i

[单选题]Modern life is impossible without traveling. The fastest way of traveling i

[单选题]Modern life is impossible without traveling. The fastest way of traveling i