为了减小校园外汽车的噪声对教学的干扰,下列措施可行的是[ ]
A.在校园周围植树
B.将教室的窗户打开
C.在教室内安装噪声监测装置
D.每个学生都带一个防噪声耳罩
A
I didn't make sense of ____ poem until I read it ____ third time.[ ]
A. the; the
B. a; the
C. the; a
D. a, a
根据《华润置地写字楼物业服务标准(2011版)》要求,责任内的治安事件年发生率不高于()。
A.2%
B.1.5%
C.1%
D.0.5%