第15题: [单项选择]What does the woman mean A. The record player is still useful. B. The man shouldn’t have thrown it away. C. The man should abandon his bad habit. D. She is going to use the record player. 参考答案:C 答案解析:[听力原文] M: I am surprised to see you using the record player I was going to throw away! W: It s
第20题: [单项选择]最不可能产生假性肿瘤的伪像是() A. 彗尾伪像 B. 多途径伪像 C. 镜像伪像 D. 旁瓣伪像 E. 容积效应伪像 参考答案:A 答案解析:彗星伪像:胆囊壁内胆固醇结晶成的微小结石、体内金属异物、宫内节育器、胆囊内或胃肠腔内一组小气泡等,均可由"内部混响"形成酷似"彗星尾"特征,最不可能出现假肿瘤伪像。
第30题: [单项选择]For this weekend only, Bad Boys Electronics Store is celebrating its first year in business with up to thirty percent () on all items in the store. A. retail B. market C. economy D. discounts 参考答案:D 答案解析:
本题需选择符合句意的名词。留意横线前后的thirty percent和on all items,将备选答案的名词一一代入,选择和它们最匹配的(D)discounts(折扣)。