《爆破器材保管员作业证》有效期是多长时间？
参考答案：《爆破器材保管员作业证》有效期是2年。
清晨露水未干时捕捉
A．桑螵蛸B．鹿茸C．蛤蟆油D．土鳖虫E．斑蝥
The woman wants her daughter __________ English every morning. [ ]
A. read
B. reads
C. reading
D. to read
