敲诈勒索公私财物的，给予（）处分；情节较轻的，给予留党察看处分。
A、开除党籍
B、留党察看
C、撤销党内职务
参考答案：A
已知复数z1=a+2i，z2=a+（a+3）i，且z1z2＞0，则实数a的值为 ______．
A．Sharing bodily fluids with an AIDS patient.
B．Shaking hands with an AIDS patient.
C．Serving meals to an AIDS patient.
D．Staying very close to an AIDS patient.
