攻击者向某个设备发送数据包，并将数据包的源IP地址和目的IP地址都设置成攻击目标的地址。这种攻击被称为______。
A. SYN Flooding攻击
B. DDOS攻击
C. Ping of Death攻击
D. Land攻击
查看答案
From the passage, we learn that fatherhood
A. brings a feeling of excitement to most men.
B. makes some men feel proud and others uneasy.
C. has a different meaning for men who have daughters.
D. means a responsibility that men accept unwillingly.
Which of the following is INCORRECT？
A. We know what each other thinks.
B. They know one another's weak points.
C. None of the books is interesting.
D. He didn't stay there so long as she.
【C15】
A. under
B. through
C. beneath
D. from
Why are A-levels now being skewed back towards boys？
A. Boys have critical skills rather than hard facts.
B. A-levels stress exams instead of coursework.
C. Female students are not interested in A-levels.
D. Boys put more emphasis on project work.
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