选择题：He who wants to succeed must _________ difficultie

题目内容：

He who wants to succeed must _________ difficulties and bitterness first.(本题1.0分)
A、 undertake
B、 understand
C、 undergo
D、 underline

参考答案：

根据归因理论分析，把失败归于不努力或机遇不好等不稳定因素，能增强信心，坚持努力行为。(本题1.0分)

根据归因理论分析，把失败归于不努力或机遇不好等不稳定因素，能增强信心，坚持努力行为。(本题1.0分) A、正确 B、错误

_____ was famous for his abdication because of his marriage with a divorced Amer

字符A的ASCII码为65，则字符D的ASCII码为（）A、十进制67B、二进制01000100C、十六进制43D、八进制105

( ) Did the Smith buy _______ when they moved into the new house?(本题4.5分) A、 man