单项选择题

19.“自”的甲骨文是鼻子的象征。

A．对
B．错

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The internal items of owners' equity are carried forward to each other, and the total size of owners' equity does not change, so it has no influence on the decision of users of report information.

答案：错误

不定项选择

在架线前对架空线实施大应力预拉，可以使架空线在运行中不再出现初伸长。

A．正确
B．错误