搜题请搜索小程序“爱下问搜题”
问题 多项选择题

下列关于货币表述正确的有( )。

A．货币是衡量一切商品价值的材料，具有同其他一切商品交换的能力

B．货币是商品，是人类劳动的产物，是价值和使用价值的统一体

C．货币是一般等价物，拥有它就等于拥有任何使用价值

D．货币是普通商品

E．货币只有一重化的使用价值

答案

参考答案：A,B,C

解析： 货币不是普通商品，而是特殊商品，其特殊性表现在：①货币是衡量一切商品价值的材料，具有同其他一切商品相交换的能力，成为一般的交换物；②货币具有二重化的使用价值。货币从它的自然属性来说，与其他商品一样具有特殊的使用价值，且它对任何人都具有同样的使用价值，是一般等价物。

填空题


In the following passage, there are 25 blanks representing words that are missing from the context. You are to put back in each of the blanks the missing word. Write your answers on the ANSWER SHEET. The time for this section is 25 minutes.
Of all the employed workers in the United States, 12.5 million are part of a temporary workforce. The United States Bureau of Labor Statistics counts 9.2 percent of workers as those who have (1) they term "alternative employment arrangements." The government predicts that temporary staffing agencies (2) experience growth of 49 percent by 2010. If numbers increase at the rate (3) , these companies will add 1.9 million new jobs by 2010. That’s more than any (4) industry.
Temporary workers were the first ones to be affected by the recent economic recession, but they are (5) to be the first to regain positions as the economy picks up and companies work to rebuild. Employers use temporary workers as a resource because (6) offer
flexibility and come at a low cost. Many temporaries are categorized as "independent contractors" instead of employees, (7) allows the employer to avoid (8) certain taxes. Because they are not required to offer benefits to temporary workers, companies can save a great deal of money by hiring temps. Usually, temporary workers can qualify (9) benefits if they work for a staffing company for a certain length of time. Most temps, however, do not continue with one company long (10) to qualify for them because they regard the position as a step on the ladder to a (11) position later.
According to Richard Wahlquist, president of the American Staffing Association, 75 (12) of temporary workers hope for transition out of the temporary staffing category (13) a period of time. Wahlquist finds that temporary workers spend about 11 weeks on various assignments before their (14) out of the temporary workforce. Many use temporary positions to gain experience and skills (15) they move on to better jobs. Wahquist says that the temp workforce as a whole turns (16) 400 percent each year.
Tom Dilworth, research director at the Employment Policies Institute, explains (17) some workers like having temporary jobs (18) it affords them a great deal of elasticity with time and everything. Some temps only have a limited (19) of time to work and temp agencies can help coordinate jobs to fit their schedules. Other sometimes-employees use temporary jobs to get an (20) to a company from the inside, to get a foot in the door of a certain business or career. (21) others take temporary positions in hopes their employers will change them over to permanent positions eventually.
Nearly all the industries in the United States use temporary workers. (22) to Tim Costello, coordinator of the North American Alliance for Fair Employment, the growth of temporary labor threatens (23) job security of permanent workers who fear replacement,as well as the temps who are more accustomed to turnover. He predicts that there will continueto (24) a gradual shift from permanent employees to contingent staffing, and that such a (25) in workplace demographics will "lead to lower wages, poorer working conditions, and more instability."

查看答案
单项选择题

MRIT2加权像对识别MS何种改变有帮助：（）

A.局灶性癫痫活动

B.脱髓鞘

C.颅内压增加

D.急性炎症
查看答案