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

(See) ____ from the top of the hill, the village is very beautiful.

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）

中世纪的巴黎大学下设四个学院，这四个学院是（）。

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

（） are individuals and organizations that are actively involved in the project, or whose interests may be affected as a result of project execution or project completion; they may also exert influence over the project and its results.

Insufficient ______ can cause a processor to work at 50% or even more below its performance potential.

Insufficient(71)can cause a processor to work at 50% or even more below its performance potential.

（ ）are individuals and organizations that are actively involved in the project, or whose interests may be affected as a result of project execution or project completion; they may also exert influence over the project and its results.

are individuals and organizations that are actively involved in the project, or whose interests may be affected as a result of project execution or project completion; they may also exert influence over the project and its results.

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