题目内容

What can we infer from the last two paragraphs?

A. The more information gathered, the more confused people may feel.
B. People are often in a dilemma about whether to collect information or not.
C. It is usually not wise to accept the first job you are offered.
D. Selective job-hunting leads to efficient match between jobs and people.

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According to Paragraph 2, the modified models______.

A. take unemployment into account
B. miscalculate the fluctuation of labor price
C. neglect the flowing of labor force
D. analyze the process of job-hunting

交流发电机的整流二极管的正向电阻应在______Ω之间,反向电阻应在______KΩ以上。若正反向的电阻值均为零,说明二极管______;若正反向电阻均为无限大,说明二极管______。

In the authors opinion, the new study______.

A. failed to draw a firm conclusion
B. gave contradictory explanations
C. raised practical solution to mental diseases
D. shed some light on the problem concerned

Traditional economic models found it hard to explain the phenomenon of .

A. search frictions
B. unemployment
C. labor as commodity
D. wage falls

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