对支气管扩张最有确诊价值的检查是
A．胸正、侧位片B．胸透C．肺CT检查D．支气管造影术E．肺动脉造影术
参考答案：D
Owing to environment pollution, a number of insects have ________. [ ]
A. died out
B. put out
C. brought out
D. picked out
乡村公益事业使用农村集体土地的，应当经过( )程序。
A．申请
B．审核
C．复审
D．批准 E．拨付
