内痔的主要症状是()
A.便血,疼痛
B.便血,有分泌物
C.便血,脱出
D.便血,肛门痒
E.便血,异物感
参考答案:C
— Mum, I will perform at the opening ceremony of the Youth Olympic.
— ! We wish you a wonderful performance.
A.Thank you
B.The same to you
C.Congratulations
D.Never mind
研究