【正文】
s immediately from our acquaintances. Parents and friends could get in touch with us wherever we are. it’s also convenient for doing business. We could also use cell phone to read ebooks, see films and check our ,and so on. the cell phones are just easy to use. But there’re also disadvantages. For example, the phones sometimes would ring out during the class which may pletely annoyed the teacher. And it would be very embarrassed when the phone suddenly rings at the meetings. Students in class also like to send messages which would affect their studies. We may need phones to get touch with