请选择常用的背景灰色值
A. #333333
B. #666666
C. #fffffff
D. #eeeeee或比#eee浅
A,B两人是某高科技公司员工,主管交办一任务要两人合作完成,完成则可得奖例各4000元:其中一人若"认真”,但另一人”偷懒”,则任务虽可成功,认真者却会过度劳累需养病,淨报偿为零,而偷懒者坐收渔翁之利可淨赚4000元,若两人皆认真完成,则扣除疲累成本之淨报偿为各3000元,两人皆偷懒则任务无法完成,老闆只给加菜金每人2000元。问同时行动之Nash均衡为?
A. 点击编辑答案内容
B. 点击编辑答案内容
C. 两人皆偷懒
D. 两人皆认真
A 42-year-old auto mechanic has been diagnosed with end-stage renal disease. His twin brother is HLA identical at all MHC loci and volunteers to donate a kidney to his brother. What type of graft transplant terminology is correct in this situation?( )
Allograft
B. Autograft
C. Heterograft
D. Isograft
E. Xenograft
Before 1960, children with enlarged thymus glands were frequently irradiated to functionally ablate this organ, whose role was not yet known. Over the lifetime of such individuals, which of the following conditions was likely to develop?( )
A. Depressed immune surveillance of tumors
B. Depressed oxygen-dependent killing by neutrophils
C. Depressed primary response to soluble antigens
D. Increased cellularity of lymph node paracortical areas
E. Increased tendency toward atopy