单项选择题
A.相当多的研究表明,学习成绩最好的学生就是那些有自信心的学生。 B.深入的研究表明,在学校成功的学生是那些有足够自信心的学生拥有者。 C.大量的研究证据表明,在学校学习最好的学生就是那些自信心强的学生。 D.据调查所得证据,那些在学校成功的学生就是有着足够自信心的人。
A.education should serve the social needs B.it is advisable for today’s philosophers to know computer science C.such abstract subjects as philosophy is no longer useful D.universities in the U.K. have produced too many good-for-nothing graduates
A.Inventors. B.Consumers. C.Manufacturers. D.Traveling salesmen.