A．To complete them with the aid of their tutors.B．To accomplish them mainly through their own efforts.C．To read all the reference books assigned by the professors.D．To go over all the periodicals, articles and books in the library.
A．To complete them with the aid of their tutors.
B．To accomplish them mainly through their own efforts.
C．To read all the reference books assigned by the professors.
D．To go over all the periodicals, articles and books in the library.