Bill is an example of a severely disabled person who has become ___

单选题 Bill is an example of a severely disabled person who has become __________ at many survival skills．

A．proficient
B．persistent
C．consistent
D．sufficient

参考答案A

解析: A。比尔是严重残疾人中的榜样，他精通多种生存技能。
考查形容词辨析。proficient意为“精通的”；persistent意为“坚持不懈的”；consistent意为“一致的”；sufficient意为“充足的”，故A符合句意。

单选题 The town planning commission said that their financial outlook for the next year was optimistic．They expect increased tax

A．efficiency
B．revenues
C．privileges
D．validity

单选题 The ties that bind us together in common activity are so __________ that they can disappear at any moment．

A．trivial
B．fatal
C．tentative
D．feeble

单选题 I must go now．__________, if you want that book I'll bring it next time．

A．Incidentally
B．Accidentally
C．Occasionally
D．Subsequently