KonicaCR系统照射量1mR时对应的S值为200,2mR时对应的S值是()
A.400
B.200
C.100
D.50
E.10
参考答案:C
The cleaners should not be looked down on and they are angels of the city _________.
A.in some ways
B.all the way
C.on the way
D.by the way
婴儿皮肤表面有(),先用冷水冲洗烫伤部位20分钟左右,如有水泡形成,不要弄破。
A、药物腐蚀
B、中度烫伤
C、重度烫伤
D、轻度烫伤