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五力分析模型是依照组织生态学理论，结合已有的五维度模型、GEM创业环境分析等创业环境理论框架而创建的更为完整的创业模型。()
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属于长效β2受体激动剂的是（）
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Boredom at Work ① You might find yourself staring at the clock, willing it to move faster so the boring workday will finally end. If your job offers little in the way of stimulation, there are steps you can take inside and outside the workplace. ② If you're bored with your job, it could be a sign that you've mastered the basic requirements and are ready for more of a challenge. You might not have been in your position long enough to request a promotion. Still, you can take steps to enhance your current role. Ask your boss if there are any projects you can help with. Volunteer to train less experienced colleagues. You'll feel more stimulated at work and also increase your chances of future advancement. ③ If you feel there is nothing left to learn in your present position, take steps to increase your knowledge. Your company's website might have online courses you can take during your slow periods, with your manager's permission. Enroll in training classes your company offers in areas that interest you. You also can pursue educational opportunities outside of the workplace, such as college classes, industry-specific training programs or self-improvement courses. If the knowledge you acquire doesn't help you in your present position, it might eventually help you move into a more fulfilling position. ④ Look for ways to challenge yourself. If your job involves performing repetitive tasks, set a quota for the number of times you can accomplish a particular task during the course of a shift. This will give you something to shoot for. If you have co-workers who perform the same tasks, make a friendly wager to see who can do the most. You'll form stronger bonds with your colleagues, and your employer is likely to notice your increased productivity. ⑤ According to psychotherapist and career coach Nina Ham, boredom at work might be a symptom of dissatisfaction with your personal life. Finding sources of stimulation outside of work can have a positive impact on your attitude toward your job. Seeking counseling for an emotional issue can also be of benefit. If your personal life is going well and nothing you try seems to improve your engagement level at work, it might be time to consider a job or even a career change. With your manager′s permission, you can take your company′s online courses during（）
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在( )的情况下，企业会主动降价。 A．产品成本下降 B．市场需求减少 C．谋求更大的市场份额 D．争夺竞争者市场
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男性，61岁。尿频5年，反复血尿半年余。直肠指诊：前列腺鸡蛋大小，质中，未触及明显结节。PSA3ng/ml。超声检查：前列腺增大，前列腺内低回声灶，大小约2cm；双肾、输尿管、膀胱未见明显异常。下一步诊疗计划中，哪一项检查最为重要（）。
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以下几种方法中，在抑制空载线路分闸过电压时相对最为有效的是（）。
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新生儿胃-食管反流的护理措施不正确的是（）
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下列关于施工缝的施工，哪项不符合规定？（）
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社会保险经办机构应当建立健全业务、财务、安全和风险管理制度。
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价差套利的成败既取决于价差的变化，也与价格变动方向有关。（）