There are many debates about_61_to allow cell phones in school.Cell phones have benefits,but they also provide disadvantages. _62_(cheat) in school has increased to 75 percent since 1940s.Technology has helped to increase this number and half of students say they don't think cheating with cell phones is_63_(difficulty).With built-in cameras,cell phones enable students_64_(take)a picture of tests and answers.Then,students can send those_65_(picture) to the others.Texting is another way to cheat.Smart phones also have access to the Internet,and students can find answers _66_(they). Cell phones in school also make teens seldom communicate with others face to face.Even at lunch time a cell phone_67_(allow)a student to listen to music instead of talking with friends. Cell phones provide new tools in teaching,_68_is more likely to make students absentminded._69_most obvious is the ringing at wrong times.Because texting is_70_(believe)immediate,you can also use a cell phone to carry on a dialog in the middle of class.
答案:61.whether 62.Cheating 63.difficult 64.to take 65.pictures 66.themselves 67.allows 68.which 69.The 70.unbelievably