正常成人安静时通气/血流比值约为
A.0.70
B.0.76
C.0.50
D.0.84
E.0.94
参考答案:D
解析:正常成人安静时通气/血流比值约为0.84。
You are running a project for a customer based on a cost reimbursable contract with the following terms: Target costs, $1000000; fix fee, 100000; benefit/cost sharing, 80/20; price ceiling, 1200000. Which is the PTA (point of total assumption, break point)of the project ()
A. $1300000.
B. $1500000.
C. $80000.
D. $1125000.
明朝抗倭名将戚继光招募义乌等地的农民和矿工3000人加以训练,组成的戚家军,在抗倭战斗中,屡建奇功,名闻天下,后人称之为“义乌兵”。