2010 Shaanxi Question 58 Single-choice Differentiating 2010_省自主命题(陕西) 58.According to the text,what is the major cause of the flooding spam? A. Companies rely on e﹣mail for communicationsB. More people in the world communicate by e﹣mailC. Many computer viruses contain spam e﹣mailD. More advertisers begin to promote sales through spam Answer keyD ☆ SaveCan't do it, show the explanation查看原卷 →