供体外创口敷药后的包扎、固定用
A.宝宝乐B.丹桂香颗粒C.复方元胡止痛片D.三九胃泰颗粒E.胃复宁胶囊
参考答案:D
The box is too heavy for him ______. [ ]
A. to carry it
B. not to carry it
C. to carry
D. not to carry
岩体的弹性波传播速度是()
A、单一的岩性指标
B、单一的综合岩性指标
C、复合指标
D、以上都不对