1．你认为在研究生学习阶段是选择一个好的学校重要还是选择一个好的专业重要 2．你的理由是什么

A．accountant for
B．allowance for
C．application to
D．appeal to

A．have obtained enormous profits from the operation
B．have invested heavily on the research of new products
C．have helped doctors and hospitals gain more experience
D．have successfully proved the effectiveness of their products