□÷5=4…△,□最大是21.______.
因为5×4+4
=20+4
=24.
故□最大是24.
故答案为:×.
―Hello! May I speak to Jack, please?
―Yes, speaking.
―Oh, I _________ your voice at first.
A.don’t recognize
B.didn’t
C.hadn’t recognized
D.haven’t recognized
咳嗽、打喷嚏时不自主地有少量尿液排出属于()
A.充溢性尿失禁
B.假性尿失禁
C.完全性尿失禁
D.真性尿失禁
E.压力性尿失禁