下载APP
【单选题】
Fresh air is ______ to good health.
A.
fundamental
B.
elementary
C.
basic
D.
important
举报
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】After the recent bomb attacks, the public are being warned to be ______ at all times.
A.
afraid
B.
awake
C.
alert
D.
ashamed
【单选题】The ______ concern of China today is to develop its economy.
A.
primitive
B.
original
C.
elementary
D.
primary
【单选题】A balanced diet is achieved by an ______ amount of food one eats.
A.
extra
B.
enough
C.
extraordinary
D.
appropriate
【单选题】下列关于项目群管理的说法错误的是（）
A.
项目群中每个项目之间存在着直接和紧密的关联
B.
单个项目不能离开项目群而独立存在
C.
可以进一步划分为组织内部项目和组织外部项目的组合
D.
各个项目之间有一定的相似性
【单选题】Princess Diana always wears beautiful ______.
A.
clothing
B.
cloth
C.
clothes
D.
dress