.∵1+i1-i=(1+i)22=i,
∴a=0,b=1,
因此a+b=1
故答案为1
银行存款每年至少与银行核对一次。 ( )
Over time,__________custom of kissing developed as_______way for adults to express their love for each other.
A.a; the
B.a; a
C.the; the
D.the; a