当记录被最终移出交付销毁时,你认为以何方式处理最好?()
A.当废纸卖掉。
B.直接丢到垃圾箱里。
C.立即焚烧或扯碎。
D.交付他人随意处置
参考答案:C
图中带电粒子垂直进入磁场时所受的洛伦兹力的方向垂直纸面向里的是( )
A.
B.
C.
D.
Being assigned as the project manager to a project you perform earned value Analysis and find the following results:EV=250000;PV=200000;AC=275000;BAC=500000.What is right ?()
A.EAC=400000
B.EAC=550000
C.BTC=400000
D.ETC=75000