当同学帮你打开了门,你应该说:
A:Thank you
B:You're welcome.
Please write to me as soon as you _________ there tomorrow.
材料一所述的那个美丽的传说是真的吗?请结合考古发掘加以说明。
小刚同学腿部受轻伤出血,过一会儿血就不流了,起到止血作用的是( )