Charlene,a 16-year-old student at a high school,found herself faced with a maths test to which she knew none of the answers. Rather than fail,she took the test out with her and filled in the answers with the help of her friends. During a break,she got back into the classroom without being seen,crumpled (揉，皱）the test with her shoe, and left it lying on the floor. The teacher thought it had been dropped when the tests we recollected,she corrected it,and Charlene received a B. Cheating is,of course,nothing new. But today,educators are finding that cheating on the part of students has become more frequent than in the past. Whether it is copying a friend's homework,using a prepared sheet on an exam,stealing advance copies of a final,writing down rules in one's hand,or paying someone else to write a term paper,cheating appears to have gained acceptance among a growing number of students between 13 and 19. In a 1978 study of cheating at 22 high schools in Georgia,it was found that cheating was common among good and poor students alike--although both boys and girls said they thought boys cheated more. Why is student on the rise? No one really knows. Some blame cheating on a general loss of good values among today's youth. They point to facts showing increased damage of public things and school stealing and think that reports,such as Watergate (水门事件），have a disappointed youth about the honesty of people in higher position Others think that today's youth are far more practical than their forefathers (先辈）. In the late sixties and early seventies, students were filled with imaginations about changing the world,but today's students feel great stress to succeed.1. According to Paragraph 1, Charlene took the test out because