伤寒没有能夺走保尔的生命。保尔已经是第（）次跨过死亡的门槛，又回到了人间。
A.二
B.三
C.四
D.五
参考答案：C
They considered a computer, which was considered a great help in their work．
A．to buy; to be
B．buying; being
C．to buy; being
D．buying; to be
下列不属于软件复杂性的度量参数是（）。
A．规模
B．结构
C．效率
D．智能度
