【单选题】附加标记中,深冷液化气体应不包括如下( )部分。
【单选题】听力原文:Would you rather have something to eat before the show, or would you prefer eating later? (A) Sure, I'd love to. (B) Either way is fine with me. (C) I'll have something to eat. (9)
【单选题】Which would you prefer, tea or coffee? I prefer coffee ______ milk.
【单选题】孕妇,妊娠25周,在产前检查中发现其血红蛋白偏低,需口服铁剂,护士告诉患者正确的服药时间是
【判断题】土中的空气体积为零时,土的密度最大。()
【单选题】下面哪种抽样调查结果不能对总体参数进行估计