The manufacturers found that advertising their products on television was very ( ).

The manufacturers found that advertising their products on television was very ( ).


A、

favorite 


B、

favorable 


C、

efficient


D、

effective


【正确答案】:D
【题目解析】:

本题考查形容词辨析。favorite:最喜欢的; favorable:有利的,良好的;efficient:“效率高的”,“有能力的”,用以指人或物,着重有效地利用时间、精力并取得预期效果;effective:有效的,常用以指物,强调能产生某种预期的效果。本句中形容词的逻辑主语是“advertising their products on television”,不是人,所以D选项最合适。

句意:制造商发现他们的产品在电视上做广告非常有效。


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