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问题 单项选择题

心理测试是通过一系列的手段，将人的某些心理特征( )，以测量个人的智力水平和人性方面差异的一种科学测量方法。

A．标准化

B．数量化

C．形式化

D．程序化

答案

参考答案：B

单项选择题


In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow.
Questions 11 to 14 are based on the following passage. At the end of the passage, you will be giv en 20 seconds to answer the questions.
Now, listen to the passage.


According to the research by NASA, an afternoon nap ______.

A．can greatly improve the efficiency of work

B．can fall into a deep sleep and will wake up groggy

C．makes people suffer a decline in their alertness

D．is an admission of weakness
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单项选择题

设有下列二叉树：

对此二叉树后序遍历的结果为

A．ABCDEF

B．DBEAFC

C．ABDECF

D．DEBFCA
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