某分部工程双代号网络计划如下图所示,其关键线路有()条。
A.2
B.3
C.4
D.5
参考答案:B
心衰患者应限制入液量,每日总量宜控制在()
A.60ml/kg以内
B.80ml/kg以内
C.90ml/kg以内
D.100ml/kg以内
E.110ml/kg以内
Of the three foreigners, one is from New York, _____ are from London.[ ]
A. another two
B. the others two
C. the other two
D. others two