搜题请搜索小程序“爱下问搜题”
问题 单项选择题

保证金额一般为合同总额的( )。

A．2%～5%
B．10%～20%
C．5%～10%
D．20%～25%

答案

参考答案：C

解析： 保证金额一般为合同总额的5%～10%。

单项选择题

反映项目实施阶段的原材料实际消耗量、机械台班数和人工工日数的信息为( )。

A．流动信息

B．固定信息

C．项目外部信息

D．管理型信息
查看答案
单项选择题

Nursing measures for the client who has had an MI include helping the client to avoid activity that results in Valsalva’s maneuver. Valsalva’s maneuver may cause cardiac dysrhythmias, increased venous pressure, increased intrathoracic pressure, and thrombi dislodgment. Which of the following actions would help prevent Valsalva’s maneuver()

A. Have the client drink fluids through a straw.

B. Have the client avoid holding her breath during activity.

C. Have the client assume a side-lying position.

D. Have the client clench her teeth while moving in bed.
查看答案