题目内容

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

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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

通点火开关,拉起驻车制动器手柄时,仪表板上的驻车制动灯应______,放松驻车制动器手柄时,该灯应______。

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