I have chosen the departments because I have a real interest in these specialties and I had a cknowlgment in these subjects in BSC . Also if I study these specialties, there will be real applicable services I can serve to the people and they are not restricted with theoretical ideas which may not have beneficial reality for people and for myself. I have also chosen these departments because they are taught with a real and authentic teaching aids china which facilitate my understanding with depth and accuracy for these specialties which may reflects its efficacy in my professional career.