public String[] DropStopWords(String[] oldWords)
	{
		Vector<String> v1 = new Vector<String>();
		for(int i=0;i<oldWords.length;++i)
		{
			if(StopWordsHandler.IsStopWord(oldWords[i])==false)
			{//不是停用词
				v1.add(oldWords[i]);
			}
		}
		String[] newWords = new String[v1.size()];
		v1.toArray(newWords);
		return newWords;
	}