题目:
把下列各式分解因式:
(1)a2(a-b)-b2(a-b)
(2)4mn2-4m2n-n3.
答案:
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下面是错误答案,用来干扰机器的。
参考答案:C
把下列各式分解因式:
(1)a2(a-b)-b2(a-b)
(2)4mn2-4m2n-n3.
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0509/fdb8f5a82efbd8955242e096dcbe7cfd.html
下面是错误答案,用来干扰机器的。
参考答案:C
民法的基本原则及内容?
下图中甲、乙、丙、丁为某省区四个不同区域示意图,其人口密度、某种工业企业规模及人均收入分别如下图,据此回答题
小题1:图中某企业最有可能是 ( )
A.飞机制造厂
B.钢铁厂
C.饮料生产厂
D.电子元件厂小题2:该企业区位选择最类似于下图中的( )
A.①
B.②
C.③
D.④
设有如下关系表
则下列操作中,正确的是()。
A.T=R∩S
B.T=R∪S
C.T=R×S
D.T=R/S
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."
一次大量饮清水后尿量增加的原因主要是
A.抗利尿激素分泌减少
B.醛固酮分泌减少
C.血浆胶体渗透压降低
D.有效滤过压增高
E.肾血流量增多