I have done everything possible to prevent him from running the risk but ______.
A:in time
B:in case
C:in vain
D:in need
ATP是细胞内的能源物质,医疗上用ATP注射液可治疗心肌炎。若人体静脉滴注ATP药物,ATP到达心肌细胞内最少要穿过多少层细胞膜 ( )
- It's reported that the Oriental Star Cruises (“东方之星”号游船)sank June 1st, 2015.
- I'm sorry to hear that.