氨基酸彻底分解的产物是CO2、H2O和（）
A.尿素
B.胺
C.乳酸
D.肌酸
E.氨
参考答案：A
解析：尿素是氨基酸的代谢终产物。
I'm not surprised that he became a writer. Even as a child he had a _____ imagination. [ ]
A. clear
B. cautious
C. funny
D. vivid
开放式基金的发起人在设立基金时，基金单位的发行总额是限定的。( )
