問題詳情
【題組】58.According to the text, what is the major cause of the flooding spam?
(A)Companies rely on e-mail for communications.
(B)More people in the world communicate by e-mail.
(C)Many computer viruses contain spam e-mail.
(D)More advertisers begin to promote sales through spam.
參考答案
答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)