岩尘(矽尘)中游离二氧化硅含量一般大于()%。
A.10
B.15
C.20
D.25
参考答案:A
The nurse is caring for a client with a fractured hip. The client is combative and confused, and he’s trying to get out of bed. The nurse should
A. leave the client and get help.B. obtain a physician’s order to restrain the client.C. read the facility’s policy on restraints.D. order soft restraints from the storeroom.
一般说来,个体工商户等个体经济组织的安全生产投入资金由( )予以保证。
A.经理
B.厂长
C.董事会
D.投资人