B.该物体可能放出了热量
C.外界对物体可能做了功
D.物体可能吸收了热量
BCD
Which of the following techniques is used to control the project schedule
A.Pareto diagra
B.Performance measuremen
C.Parametric modelin
D.Statistical samplin
Compared with the other candidates, he ______ the judgment and political perspective for the post of chairman and may fail in the election.
A.limits
B.lacks
C.needs
D.demands