xxxxx.xxxxx.keywords.recommend.get
        ===================================
        取得一个推广组的推荐关键词列表

def recommend_get(self, adgroup_id, **kwargs):
        '''xxxxx.xxxxx.keywords.recommend.get
        ===================================
        取得一个推广组的推荐关键词列表'''
        request = TOPRequest('xxxxx.xxxxx.keywords.recommend.get')
        request['adgroup_id'] = adgroup_id
        for k, v in kwargs.iteritems():
            if k not in ('nick', 'order_by', 'search', 'pertinence', 'page_size', 'page_no') and v==None: continue
            request[k] = v
        self.create(self.execute(request), models = {'result':RecommendWordPage})
        return self.result