交通警察简称“交警”，是负责维护交通安全和交通秩序，处理交通事故，进行交通安全管理工作的人民警察。( )
参考答案：对
What does the speaker think of the movement to the suburbs().
A.People may miss the cultural life in cities.
B.The movement is still developing.
C.It satisfies man’s need to live and work in an ideal environment.
D.People may like the companionship in suburbs.
具有泄殖腔的动物有（）
A、鸭嘴兽和针鼹
B、袋鼠
C、犰狳
D、海獭
