问题
单项选择题
Bill is an example of a severely disabled person who has become () at many survival skills.
A. proficient
B. persistent
C. consistent
D. sufficient
答案
参考答案:A
解析:
proficient at/in“精通……,对……掌握熟练”;persistent in“坚持……”;consistent with“与……一致”;sufficient in“在……方面充足”。无论从搭配还是从意思上看,都必须选A。