衡量石油及其产品粘结性的指标是()。A.凝点 B.闪点 C.粘度 D.A+C

题型:单项选择题

问题:

衡量石油及其产品粘结性的指标是()。

A.凝点

B.闪点

C.粘度

D.A+C

考点:海上货物运输石油及其产品的种类和特性石油及其产品的种类和特性题库
题型:单项选择题

10岁女孩,1年前因发作性四肢强直伴意识丧失就诊,确诊癫痫,口服丙戊酸钠治疗后一直无发作,1周前家长自行停药,今晨患儿出现双目凝视,面色发绀,四肢强直,继之出现四肢有节律的抽动,持续40分钟来院,就诊时发作仍未缓解

患儿的发作属于下列哪种情况()

A.强直性发作

B.阵挛性发作

C.部分继发全身性发作

D.癫痫持续状态

E.癫痫连续状态

题型:单项选择题

女性,25岁,系统性红斑狼疮病史2年,一直接受糖皮质激素治疗,2周前出现低热,咳嗽、咳痰,胸片右上肺少许斑片状密度增高影,血沉55mm/h,PPD(-),痰查抗酸杆菌(-),抗生素治疗2周未见效,下列处理必要的是 ()

A.痰查抗酸杆菌

B.胸部CT检查

C.查结核抗体

D.抗结核治疗

E.停用糖皮质激素

题型:单项选择题

最常用的格形仓有()和()两种。

题型:单项选择题

在施工组织设计的基本内容中,()用以衡量组织施工的水平。

A.施工部署

B.技术经济指标

C.施工进度计划

D.施工方案

题型:单项选择题

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. Wahlquist 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 continue to______(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."

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