2013gre考试:gre阅读3月最新备考材料(十)
The World Bank estimates there are about 650 million mobile phone users in African countries south of the Sahara Desert. That is greater than the number of users in the United States and European union . Samia Melhem works for the World Bank to increase information technologies in Africa. She says mobile phones are the fastest growing technology on the continent. "Faster than TV, definitely faster than electricity. More people have access to mobile phones and hence communication. More people have internet access today in Africa than th... [ 查看全文 ]2013gre考试:gre阅读3月最新备考材料(十)的相关文章