设定项目管理目标重点考虑( )。 A．基于发起人的市场竞争因素 B．发起人决策项目

静息电位接近于

A．钠平衡电位

B．钾平衡电位

C．钠平衡电位与钾平衡电位之和

D．钠平衡电位与钾平衡电位之差

E．锋电位

Following a year of fast development, by the first quarter of this year, China has had about 1,100 e-commerce websites.

A．China had about 1,100 e-commerce websites by the end of last March

B．by the end of the first quarter of this year, China has had about 1,100 e-commerce websites

C．by the end of this recent past March, China has about 1,100 e-commerce websites

D．by the end of this first quarter, China had about 1,100 or so. e-commerce websites

一患者主诉左下磨牙食物嵌塞痛，但双侧磨牙均有龋洞；医生做温度测验时应该

A．先测正常的左上磨牙

B．先测左下磨牙

C．先测右下磨牙

D．先测正常的左下前磨牙

E．先测正常的左上前磨牙

经试验测得某岩石的波速υ_s=3500m/s，饱和单轴抗压强度f_rk=3000kPa。其新鲜岩石的波速υ_s=7000m/s，f_rk=8000kPa，据此判断该岩石的风化程度为( )。

A．微风化

B．中等风化

C．强风化

D．全风化

医务人员沟通的主要语言有哪几种？