“黑客”起源于英文单词()。
A.Hack
B.Hacker
C.Hacke
D.Haker
参考答案:B
What a(n) ______ it is that they were born in the same year and on the same day!
A.coincidence
B.accident
C.incident
D.confidence
询问调查中,问题回答率最高的是()。
A.书面询问
B.电话询问
C.面谈询问
D.网络问卷