性链表中，逻辑上相邻的数据元素其物理地址也是相邻的。
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某设备工程时标网络计划如下图所示，工作A和E的总时差分别为()。
A. 2、2
B. 1、2
C. 2、3
D. 1、3
The reason Unilever plans not to issue financial forecast in 2009 lies in ______.
A. their reluctance to share their goal with others
B. their rapid grasp of changes in the markets
C. the unstable economic situation
D. their reduction in the cost of prediction
Which of the following accords with the author's attitude？
A. Charges on patented-drug industry are anything but true.
B. Generics industry is a sheer victim in the competition.
C. Only drug giants are to be blamed.
D. Exclusion of generics industry from taking responsibility is questionable.
A．Because he was of iii health.B．Because he was in a bad mood.C．Because his wife aband
A. Because he was of iii health.
Because he was in a bad mood.
C. Because his wife abandoned him.
D. Because his immune system was not strong enough.
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