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1.______ with so much trouble, we failed to complete the task on time.   
  A. Faced B. Face C. Facing D. To face   
  解析:A . “be faced with”为固定结构,表示“面临,面对”,故选A. Faced 。   
    
2.No matter how frequently _______, the works of Beethoven still attract people all over   
  the world.   
  A. performed B. performing C. to be performed D. being performed   
  解析:A. 逻辑主语the works of Beethoven 与perform 构成被动关系。根据语境,贝多芬的作品被频繁地演出,所以选A. performed。   
    
3.In the dream Peter saw himself _______ by a fierce wolf, and he woke suddenly with a   
  start.   
  A. chased B. to be chased C. be chasedD. having been chased   
  解析:A. 此题考查过去分词做宾补的用法。逻辑主语himself 与chase构成被动,而此事发生在梦中已经过去,故选A. chased。   
    
4._______for the breakdown of the school computer network, Alice was in low spirits.   
  A. Blaming B. Blamed C. To blame D. To be blamed   
  解析:.B. 逻辑主语Alice肯定是被责备且动作已经完成,所以表示将要被责备的D项   
  不合题意,应选B. Blamed。   
    
5.A good story does not necessarily have to have a happy ending, but the reader must not   
  be left ________.   
  A. unsatisfied B. unsatisfying C. to be unsatisfying D. being unsatisfied   
解析:A. 此题考查过去分词做主补的用法。根据题意,不能使逻辑主语the reader感到不满意,故选A.unsatisfied。   
  
解题关键:  
第一,了解过去分词在句子中的语法作用,它表示一个被动的或者已经完成的动作。如:(1)When offered help, one often says “Thank you”, or “It’s kind of you”。 “offered”只表被动。(2)Yesterday I had my bike repaired. “repaired”在句中既表被动又表完成。   
  第二,非谓语动词的主动还是被动取决于它的逻辑主语,但必须区别过去分词done(表被动或完成),不定式的被动式to be done(表将被做),现在分词的被动式being done(表正在被做)。如:(1)The meeting being held now is very important. “being held”表正在被举行。(2)The meeting to be held tomorrow is very important. “to be held”表将要被举行。(3) The meeting held yesterday is very important. “held”表已经举行。   
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