Who has done your hair,Susan?()
A、My hair has been done
B、That hair stylist
C、My hairstyle is cool
D、I have it cut
A、My hair has been done
B、That hair stylist
C、My hairstyle is cool
D、I have it cut
A、What does your father want to do? B、Who is your father? C、What is your father? D、Where is your father now?
A、What does your father want to do? B、Who is your father? C、How is you rfather? D、Whatis your father?
A、pKa-pH=log[A-]/[HA] B、pH-pKa=log[A-]/[HA] C、pKa-pH=log[A-][HA]/[HA] D、pKa-pH=log[HA]/[A-][HA]