梁中不起抗剪作用的是（）
A、箍筋
B、弯起钢筋
C、吊筋
D、以上都不是
参考答案：D
A client has severe pruritus from hepatitis B. Which of the following nursing measures would best enhance the client’s comfort
A. Use hot water to increase vasodilation.B. Use cold water to decrease itching sensation.C. Give tepid water baths.D. Avoid lotions and creams.
在路面的巡查作业中，巡查车速一般控制在（）km/h。
A、30
B、40～50
C、60
D、80
