问题
单项选择题
Ⅶ因子在体内的半衰期为()
A.6小时
B.12小时
C.24小时
D.36小时
E.48小时
答案
参考答案:B
Ⅶ因子在体内的半衰期为()
A.6小时
B.12小时
C.24小时
D.36小时
E.48小时
参考答案:B
在初中即将毕业之际,请你以张明的名义给英国笔友Brian写一封感谢信,要点提示如下:
要求: (1)词数:80~100个 (2)信的开头和结尾已给出,不计入总词数 (3)要点齐全,行文连贯,可适当发挥 Dear Brian, How time flies! We have been friends for three years. I’m writing to thank you for your help! Three years ago,___________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ Hope to see you soon! Yours, Zhang Ming |