题目内容

The secretary and managerpresent at the meeting yesterday.

A. was
B. were
C. are
D. is

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Tom as well as two of his classmatesinvited to the party.

A. has
B. are
C. were
D. was

The number of students from the northsmall.

A. are
B. were
C. is
D. has

以下地址是 MAC 地址的是（）。

A. 0D-01-22-AA
B. 00-01-22-0A-AD-01
C. A0.01.00
D. 139.216.000.012.002

磁盘上发现病毒后最彻底的处理办法是（）。

A. 删除感染病毒的文件
B. 对该盘进行格式化
C. 用杀毒软件处理
D. 删除所有磁盘文件