31. Paragraph 1 mainly talks about ________. (A).the reasons for success (B).the meaning of success (C).the standards of success (D).the importance of success

34.What can we infer from Paragraph 4? (A).Successful people like to show their great skills. (B).People sometimes succeed without luck or talent. (C).People need to achieve success at the cost of life. (D).It helps to think that luck or talent leads to success.