2016年9月l3日，十二届全国人大常委会第23次会议表决通过了关于辽宁省人大选举产生的部分十二届全国人大代表当选无效的报告，确定45名全国人大代表因拉票、贿选当选无效。材料告诉我们（    ）

①若不加以有效规范，差额选举会发生贿选等问题

②民主集中制是人民代表大会制度的组织活动原则

③作为国家权力机关的工作人员，人大代表应为人民服务

④全国人大常委会依法行使任免权罢免不称职的人大代表

完形填空

     Mr Green works in an office in France.  1  Saturday,  he went to the office to do some work. When he got on the elevator(电梯) , it stopped between the   2  . Mr Oreen could not get out of the elevator. He started to  3  but no one  4   him. Then Mr Green remembered that it was a holiday in France. No one 5 going to come to work until Tuesday.

     There was   6  for him to do. He had to wait. With nothing to eat   7drink,  Mr Green slept for most of the time. Early Tuesday morning,  his  8  came to work and found the elevator was not working. When the elevator was  9  , Mr Green came out. He was cold,  weak and tired. He had been in the elevator for about sixty-four  10  ! Now Mr Green says, "I will only use elevators if they have a telephone in them. "