下列哪些肺部疾病可引起纵隔向患侧移位()
A．肺不张
B．肺实变
C．肺水肿
D．肺发育不全
E．肺段隔离症
参考答案：A, D
The government has made laws to protect animals，so the number of the endangered animals ________ in recent years.
A．had grown
B．grew
C．has grown
D．is growing
柜台电视监控录像资料保存时间不低于()个月。
A.1
B.2
C.3
D.6
