施工成本计划的编制依据不包括( )。A．合同报价书 B．已签订的工程合同 C．施工

化学是一门实用的中心学科，生活中的许多问题常涉及到化学．下列有关化学知识叙述正确的是（　　）

A．制作航天服的聚酯纤维和用于光缆通信的光导纤维都是新型有机高分子材料，糖类、蛋白质、氨基酸、纤维素都是天然高分子化合物

B．化工生产：氯碱工业、硫酸工业、普通玻璃工业、合成氨工业过程中均涉及氧化还原反应

C．次氯酸和臭氧都是强氧化剂，都能杀死水中的细菌．自来水常用氯气来杀菌消毒，是因为氯气杀菌消毒效果要比臭氧好，且不会残留有毒、有害的物质

D．夏天到了，游客常佩戴添加了溴化银（或氯化银）和微量氧化铜的玻璃制作的变色眼镜来保护眼睛

领事取证即通过本国驻他国领事官员或外交人员在驻在国调查取证。此种方式根据我国法律规定要受到若干限制，其中不包括下列哪一项( )

A．在进行调查取证前要通知中国相应的机关

B．只能向在中国的其本国国民取证

C．不得对被取证对象进行扣押

D．采取的取证方式不得违背中国法律

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."

轴瓦检修刮研时，一般要求每25mm×25mm面积内的斑点显示为（）。

A.3～5处

B.6～8处

C.10～12处

D.15～18处

阐述Single Sign on技术产生的背景和优点。