251. William found it increasingly difficult to read, for his eyesight was beginning to ________.
A.disappear
B.fall
C.fail
D.damage
252.I ______ a bank account after I made 1,000 by, doing a part-time job during thesummer vacation.
A.borrowed
B.opened
C.entered
D.ordered
251.答案是C；考查动词的辨析。disappear消失，不复存在;fall降落，跌倒，降低;fail (指健康)倒退，衰弱；damage损害，毁坏，加害于。句意:William发现阅读越来越困难了，因为他的视力开始衰退了。increasingly difficult越来越困难，用来表示一个循序渐进的过程，故选C。
252.答案是B；考查动词的辨析。open a bank account在银行开帐户。句意:暑假兼职打工挣了 1000美元后，我在银行开了帐户。
