出现()天气,附近有()、()、()泄漏及其它不安全因素时,禁止装卸料作业。
参考答案:雷雨;明火;易燃;有毒介质
It's reported that 289 more trains were added____ passengers on Sunday to meet the needs of
those______ home for the Spring Festival. [ ]
A. to take; returning
B. taking; returning
C. taken; to retum
D. take; returned
患者男性,16岁,1小时前牙外伤求诊。检查:冠1/3折未露髓,折断面敏感,叩诊(+),冷测一过性敏感 。
若X线检查未见异常,首选下列哪项处理 ()
A.盖髓治疗
B.充填治疗
C.安抚治疗
D.活髓切断
E.根管治疗