– It's been such a wonderful evening with you! Thank you very much!
–
A:No thanks.
B:It's nothing.
C:Glad to hear that.
D:My pleasure!
小明撞车进了医院,医生说他要立即输血。通过检验发现小明的血型是A型。如果小明所需的血液量很多,那么,适合输给小明的血型有( )种。
关于我国人口和民族的叙述,正确的是( )