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【判断题】
荷重块加载时，对于跨度为4M和4M以下的试验结构构件，每堆长度不应大于构件跨度的1／6。A.
正确
B.
错误
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【简答题】任何一棵二叉树的叶子节点在先序、中序和后序遍历序列中的相对次序()。A. 不相同 B. 相同 C. 不确定 D. 以上都不对
【简答题】A．From rocks in the mountain. B．From the remains of ancient sea life. C．From the soil under the sea. D．From ancient trees.
【单选题】病毒并未发作情况下,出现以下__________现象可以怀疑计算机已经感染了病毒。
A.
COMMAND.com文件长度增加
B.
打印机不能走纸
C.
硬盘转动时发出响声
D.
显示器变暗
【单选题】The American common school differed from the European school in that it was from the outset an expression of the desire on the part of the American colonies to develop a type of intellectual freedom n...
A.
that American schools were colonial and therefore were under European control
B.
that American schools desired to be expressive
C.
that American schools emphasized the need of intellectual freedom
D.
that American schools were for common citizens while European schools were for nobles
相关题目：
【单选题】病毒并未发作情况下,出现以下__________现象可以怀疑计算机已经感染了病毒。
A.
COMMAND.com文件长度增加
B.
打印机不能走纸
C.
硬盘转动时发出响声
D.
显示器变暗
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