养宠物的利弊问题。 There are numerous reasons that more and more people,with the city developing,pet some animals like dogs.I finally think this phenomenon is worth to be admited and I cannot skip it.(30words) 结构点评：第1段是
There are many problems associated with mobile phones today. What are these problems and to what extent do the advantages of mobile phones outweigh the disadvantages? With the development of science and technology, mobile phones grow rapidl
