去掉only 7. recycle→recycling 8. much→many 9. recycle前加to 10. have→be No. 5 It can be seen, more and more people own mobile phones in China now. At the end of 2002, there were 20 millions mobile phone users. By 2005 a number reached up to 30 million. People’ve found mobile phones convenience. They can get in touch with each other whenever or wherever they like. There’re different functions to meeting different needs, such as surf the Internet. However, it may bring us some trouble. For an example, the radiation from the phone may do harm our health. In spite of this, the number of people having mobile phones are increasing steadily. 查看更多

 

题目列表(包括答案和解析)


同步练习册答案