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。
2.(2011全国卷II,10) Mary, I_____John of his promise to help you.
A. told B. reminded C. warned D. advised
答案：B
解析：考查动词的辨析。句意为“玛丽，我已经提醒约翰注意他帮助你的承诺了。”remind… of… 就…提醒(某人)，使(某人)想起…；warn含有警告的意思。
