请在第(42)处选择正确答案_______

请在第(42)处选择正确答案_______A.firm B.solid C.steady D.stable

查看答案

According to the author,the effective way to spread the use

According to the author,the effective way to spread the use of computers is to

查看答案

根据下列材料,回答题“We are not about to enter the Information Age,bu

根据下列材料,回答题“We are not about to enter the Information Age,but instead are rath

查看答案

What do we know about Peter Schmidt?

What do we know about Peter Schmidt?A.He has lost his ticket. B.He is expecting

查看答案

下列关于计算机病毒的叙述中,正确的是(  )。

下列关于计算机病毒的叙述中,正确的是(  )。A.计算机病毒的特点之一是具有免疫性 B.计算机病毒是一种有逻辑错误的小程序 C.反病毒软件必须随着新病毒的出现而

查看答案