莎士比亚的“四大悲剧”中除《哈姆莱特》外,还有
A.《罗密欧与朱丽叶》
B.《奥赛罗》
C.《雅典的泰门》
D.《李尔王》
E.《麦克白》
参考答案:B,D,E
瓦斯检查人员检查瓦斯的结果不得告知现场工作人员。
A project was expected to cost $6 million for 3 months. At the end of 1 month, you use earned value as a performance management tool and get the following information: BCWP=$1.5 million, BCWS=$2.5 million, ACWP=$2.2.million. What is the schedule variance ?()
A.$0.3 millio
B.$-1 millio
C.$1 million。
D.$0.7 millio