问题补充:
As we know, no matter how a man is, if he doesn’t learn, he knows nothing.
A. intelligent
B. enthusiastic
C. relaxed
D. disappointed
答案:
(答案→)A. intelligent
B. enthusiastic
C. relaxed
D. disappointed
解析:此处intelligent聪明的;enthusiastic热情的; relaxed放松的; disappointed失望的。句意:我们都知道,不管一个人有多么聪明,如果他不学习,他也什么都不知道。根据句意选A。