随着双手和智能的不断发展，最终进化为现代人的是
A．南方古猿
B．直立人
C．能人
D．智人
答案：D
I am glad that you have managed to come. You ___ have brought wine. We’ve got plenty.
A．wouldn’t
B．couldn’t
C．mustn’t
D．needn’t
A company has a "0" earnings retention rate, the firm's P/E ratio will equal:（）
A. 1/k.
B. D/P+g.
C. k+g.
