题目:
对于胰腺癌的诊断,不正确的是()
A.胰头好发
B.边界不清楚
C.胰头处病变,一定伴有胆道扩张及黄疸
D.不均匀低回声肿块
E.主胰管均匀扩张
答案:
参考答案:C
对于胰腺癌的诊断,不正确的是()
A.胰头好发
B.边界不清楚
C.胰头处病变,一定伴有胆道扩张及黄疸
D.不均匀低回声肿块
E.主胰管均匀扩张
参考答案:C
苓甘五味姜辛汤的功用是().
A.化痰息风
B.温肺化饮
C.利水消痰
D.燥湿化痰
E.润肺化痰
窗体中有3个命令按钮,分别命名为Command1、Command2和Command3。当单击 Eommand1按钮时,Command2按钮变为可用,Command3按钮变为不可见。下列 Command1的单击事件过程中,正确的是( )。
A.Private Sub Command1_Click() Command2.Visible=True Command3.Visible=False End Sub
B.Private Sub Command1_Click() Command2.Enabled=True Command3.Enabled=False End Sub
C.PrivateSubCommand1_Click() Command2.Enabled=True Command3.Visible=False End Sub
D.Private Sub Command1_Click() Command2.Visible=True Command3.Enabled=False End Sub
子宫颈鳞状细胞癌的含义是()
A.子宫颈柱状上皮由鳞状上皮代替
B.子宫颈上皮中度异型增生
C.上皮细胞全层被癌细胞代替,基底膜完整
D.癌灶浸润深度在病变处基底膜下>5mm
E.子宫颈储备细胞增生
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."
回转支承的润滑周期为()。
A.一周
B.一月
C.半年
D.100小时