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【单选题】
千分尺固定套筒上的刻线间距为 mm。A.
1
B.
0.5
C.
0.01
D.
0.001
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举一反三
【简答题】地球的内部圈层包括地壳、____和地核。地壳又分为____层结构的大陆型地壳和____层结构的大洋型地壳。
【单选题】The labor market experiment in Boston shows that
A.
younger male applicants are more likely to be hired than their female counterparts.
B.
age discrimination is quite common in hiring process.
C.
the author collected information by interviewing female applicants.
D.
female applicants who are 50 years old will never have a chance to get a job.
【简答题】紧的劳动力市场(tight labor market)
【单选题】The table above shows the labor market for the country of Pickett. When the labor market is in equilibrium, the real wage rate is ________ and ________ of labor a year are employed.
A.
any value less than $25 an hour; any value greater than 40 billion hours
B.
any value greater than $30 an hour; any value more than 40 billion hours
C.
any value greater than or equal to $25 an hour; any value less than 40 billion hours
D.
$30 an hour; 40 billion hours
【单选题】Equilibrium in the labor market
A.
cannot occur if the production function is shifting upward.
B.
can happen only when actual GDP exceeds potential GDP.
C.
means that resources are allocated inefficiently
D.
occurs when actual GDP is equal to potential GDP
【简答题】地球的内部圈层包括地壳、____和地核。地壳又分为大陆地壳和____地壳。
【判断题】As more skilled workers enter the global labor market, people feel pressured to work longer and produce more just to secure their jobs.()
A.
正确
B.
错误
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