一般,工业发达国家第三产业产值占国名生产总值的比重为()。
参考答案:60%左右
针刀组成包括()
A.手持柄
B.刀身
C.针身
D.针刀
E.针尖
A group of crew members standing by in case of an emergency in order to assist other teams in action if necessary is a().
A.Fire team
B.Rescue team
C.Emergency team
D.Control team