1. (2011全国卷,34) William found it increasingly difficult to read, for his eyesight was beginning to .
A.disappear B.fall C.fail D.damage
答案：C
解析：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)衰退, 衰弱；damage损害, 毁坏, 加害于。句意为“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”是个渐进的过程，故选C。
