Research has shown that ______.
A.dropouts are substantially below Ph.D s in financial attainment
B.the incentive factor is a minor one in regard to pursuing Ph.D studies
C.the Ph.D candidate is likely to change his field of specialization if he drops out
D.about one-third of those who start Ph. D.work do not complete the work to earn the degree
第3题
一笔经济业务需要填制两张或两张以上记账凭证的,可采用“分数编号法”编写。()
A.正确
B.错误
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