安定类药物中毒特效解毒剂是()?
A.氟马西尼
B.纳酪酮
C.美解眠
D.碳酸氢钠
参考答案:A
The book _____ too much. He _____ 150 yuan ______ it.
A.spent; spent; on
B.cost; spent; on
C.paid; paid; for
D.paid; cost; in
甲、乙两人比赛射击,两人所得的平均数环数相同,其中甲所得的环数的方差为5,乙所得的环数如下:5,6,9,10,5,那么这两人中成绩较稳定的是______(填“甲”、或“乙”)