单项选择题
A.What a beautiful day! B.Good morning, how are you C.How do you do D.Nice to meet you!
A.they hate the constant pressure and strain of their study B.they will then be able to stay longer in the university C.such positions help them get better jobs D.such positions are usually well paid
A.their academic performance will affect their future careers B.they are heavily involved in student affairs C.they have to observe university discipline D.they want to run for positions of authority