【单选题】听力原文:You don't want to go for a cup of coffee, do you? (A) This coffee is just delicious. (B) Sure, here you are. (C) No, I just had some, but thanks. (35)
【单选题】女婴,早产,胎龄36周,出生体重2500g,出生哭声响,吃奶好。现生后7天。昨天开始吃奶少,四肢活动少,查体T37°C,脐部周围红肿,脐窝有分泌物。用酒精处理脐部,合适的酒精浓度为: