2. Multiple choice questions must be filled in with 2B pencil; non-multiple choice questions must be written with a 0.5 mm black signature pen, with neat handwriting and clear strokes.
Let the complex number $z$ satisfy $| z - i | = 1$, and the point corresponding to $z$ in the complex plane is $y$
2. Multiple choice questions must be filled in with 2B pencil; non-multiple choice questions must be written with a 0.5 mm black signature pen, with neat handwriting and clear strokes.\\