Hello ! My name is LiQiang . There are four people in my family . My father is a worker . My mother is a farmer . My little sister is a pupil. I am a pupil , too . We are in the same school .

An old woman asked me what was ____ (miss).

下列物体中属于光源的是（　　）

“人民选我当代表，我当代表为人民”，这表明人大代表（    ）

①植根于人民之中，与人民群众有着天然的密切联系                 ②全都由选民直接选举产生

③是国家权力的直接行使者，代表人民行使当家作主的权利     ④是人民权利的受托者和人民意志的表达者