2016年12月大学英语四级作文范文：无线网

　　2016年12月大学英语四级作文范文：无线网

　　参考范文：

On the popularity of wifi

　　As is vividly depicted in the drawing,three birds are standing on the wire.while another bird is standing on the other side without wire,with its whole body floating in the air.One of the three birds says:”he’s got wifi’

　　By depicting this the image,the drawer attempts to expose the popularity of wifi nowadays.But every coin has two sides,so does wifi.On the one hand,it makes it possible for a wireless-enabled computer or personal digital assistant to connect to the Internet almost time,anywhere,making our life more convenient and interesting And with the development of society,free wifi will be available in may more places,which will make it cheaper for us to surf the internet.On the other hand,access points could be used to steal personal information transmitted form wifi users and there is still room for improvement in the signal strength of wifi.

　　Generally speaking,only when we make the most of the advantages of wifi and get rid of its disadvantages,will it benefit us.