化简得Z=
=
+i
3
(1?
i)2
3
=?
+i
3
?2?2
i
3
?1 2
+i
3
1+
i
3
=?
?1 2
=?(
+i)(1?
3
i)
3
(1+
i)(1?
3
i)
3
?1 2
=?2
?2i
3
4
+
3
4
,i 4
故|z|=
=
(?
)2+(
3
4
)2
1 4
,1 2
故选B