41.  I understand them all, but the question is that almost all the teachers use these three surely-win methods.

42.  What's more, I'd like to mention that the usage of paper in our campus is inappropriate.

43.  The white paper is printed with messages, sent into the students' hands and finally abandoned in the ash bin.

44.  Paper is being wasted, which means trees are being wasted.

45.  However, if everyone is conscious about them and wants to change it, nothing is impossible.

46.  Girl who study science, boy who study social science\

47.  Is that true?

48.  As we all know, science is conscientious, precise and sometimes sternly cool while social science is imaginative, changeable and quite colorful.

49.  The one who is cautious would be more conscientious; the one who is sensitive would be more susceptible, as a result of which, girls or boys will show more subjects' features.

50.  Stereotyping on campus\