假如一台连接到网络上的计算机的网络配置为：IP地址=136．62．2．55，子网掩码=255．255．192．0，网关地址=136．62．89．1。这台计算机在网络中不能与其他主机进行通信。其中()项设置导致了问题的产生。
A. 子网掩码
B. 网关地址
C. IP地址
D. 其他配置
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设森林M中有三棵树，它们结点个数分别为N1，N2，N3，与森林相对应的二叉树上，根结点的右子树上的结点个数为()。
A. N1
B. N1+N2
C. N3
D. N2+N3
循环队列用数组A[0，1…m-1]存放其元素值，已知其头尾指针分别为front，rear，则其队列元素个数为()。
A. (rear-front+m)％m
B. rear-front+1
C. rear-front
D. front-rear
Which of the following statements is the results of Dr. Strander's experiments with interferon？
A. Half of the patients who received interferon reacted favorably.
B. At the end of three years, all of the patients who had not received interferon had died.
C. Most of the patients who received interferon also needed conventional treatments.
D. 70 percent among patients who were treated with interferon survived.
It can be inferred from the passage that the state constitution of Nebraska was rewritten
A. make the constitution more understandable to the public
B. encourage farmers to leave the state
C. solve difficulties that resulted from loss of crops
D. provide for a regular census of the locust population
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