设a=5，b=4，c=3，d=2，下列表达式的值是 3＞2*b Or a=c And b＜＞c Or c＞d

设a=2，b=3，c=4，d=5，下列表达式的值是（ ）。 3>2*b Or a=c And bc Or ba+c

设a=′′a′′，b=′′b′′，c=′′c′′，d=′′d′′，执行语句x=IIf（（ad），′′A′′，′′B′′）后，x的值为（　　）。

若电路中的a点为参考点，那么在b点的电位Ub与电压Uba数值是一样的。

Project（71）is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．

● Project（71）is an uncertain event or condition that, if it occurs, has a positive or a negative effect on at least one project objective, such as time, cost, scope, or quality.（71）

  已知电路中A点的对地电位是65V,B点的对地电位是35V,则UBA=

 ______ twice a year, whether it is a car or a bus or a truck, is the rule that every driver must obey in this city.

It will be a relief over the death of a friend or a relative if the friend or relative dies from ______.

如图所示电路中，A点的电位是（）V。

已知电路中A点的电位为5V，A、B两点间的电压UAB=―10V，则B点电位为（）V。

A mark or place at which a vessel comes under obligatory entry，transit，or escort procedure is know as（）.