单选题
Before we administer first aid to a victim, it is very important for us
A、
to refer to all kinds of handbooks on first aid.
B、
to make sure what to do and what not to do.
C、
to remove the ring or bracelet he may be wearing.
D、
to take him to a hospital at once.
【正确答案】
B
【答案解析】
提交答案
关闭