消费者协会是依法成立的保护消费者合法权益的社会团体。在保证商品质量和服务质量的前提下,它可以从事商品经营和赢利性服务。 ( )
参考答案:错
He was so absorbed in his work that not a sound ______.
A.did she dare to make
B.dared she to make
C.she didn’t dare to make
D.she dared to make
哪些表现可视为“确有立功表现”?