钻井液用来清洗井底，（）钻屑，保持井眼清洁。
A.悬浮、携带
B.悬浮、冷却
C.携带、润滑
D.携带、冷却
参考答案：A
Promethazine hydrochloride (Phenergan) 35 mg IM is ordered for a client who is experiencing nausea and vomiting after surgery. The ampule’s label reads 25 mg/mL. How many mL should the nurse prepare to administer（）
A. 0.7 mL.
B. 1.0 mL.
C. 1.4 mL.
D. 1.8 mL.
下面哪些协议支持组播ASM模型（）
A.PIM-SM和IGMPv2
B.PIM-SSM和IGMPv3
C.MBGP和MSDP
D.PIM-DM和IGMPv2
