| Invent challenges. A hundred years ago,
pioneer psychologist William James declared that humans use only a {{U}} (67)
{{/U}} part of their potential. All too many of our tasks are {{U}} (68)
{{/U}} or tedious. Then the brain operates almost on {{U}} (69)
{{/U}} The result can be careless mistakes or dragged-out drudgery because
we can get with it. The perfect state of flow, Csikszentmihalyi explains, {{U}} (70) {{/U}} when our skills exactly measure up to the challenges confronting us. {{U}} (71) {{/U}} , says Csikszentmihalyi, the way to get a dull but simple job done easily is to make it harder. Turn a boring task into a challenging game, so that you {{U}} (72) {{/U}} all your potential. Invent rules, {{U}} (73) {{/U}} goals, {{U}} (74) {{/U}} yourself against a clock. This increased challenge may be what pushes you into your {{U} A. tiny B. secondary C. minimal D. minimum [多项选择]降低三相低压配电系统不平衡度的措施有（）。
A. 单相用电设备接入220/380V三相系统时应尽量使三相负荷平衡 B. 由地区公共低压电网供电的220V照明负荷 C. 将不对称负荷接到更高的电压等级电网供电 D. 采用平衡装置 [多项选择]德姆的激励方法可能难以达到理想的结果，微薄的奖励起不到足够的激励作用。要取得更好的激励效果，可以改进的是( )。
A. 物质奖励和精神奖励相结合 B. 加大精神奖励，缩小物质奖励 C. 精神奖励、物质奖励均加大 D. 提高物质的额度 [单选题] （单选题）2020 年 6 月 29 日电，日前签署国务院令，公布《化妆品监督管理条例》，自 2021 年 1 月 1 日起施行。要求化妆品生产经营活动
及其监督管理要做到（）。①贯彻落实“放管服”改革要求 ②严守质量安 全底线③完善监管措施③加大对违法行为的惩处力度 A. ②③④ B. ①②③ C. ①②④ D. ①②③④ [判断题]本行对借记卡内的电子现金不予挂失。
A.正确 B.错误 [单选题]引起肝硬化的病因不包括（ ）。
A.甲型肝炎 B.胆汁淤积 C.酒精中毒 D.营养障碍 E.血吸虫病 [填空题]Comparisons were drawn between the development of television in the 20th century and the diffusion of printing in the 15th and 16th centuries. Yet much had happened ________As was discussed before, it was not ______ the 19th century that the newspaper became the dominant pre- electronic ______ , following in the wake of the pamphlet and the book and in the________of the periodical. It was during the same time that the communications revolution________ up, beginning with transport, the railway, and leading________ through the telegraph, the telephone, radio, and motion pictures________ the 20th-century world of the motor car and the airplane. Not everyone sees that process in________ It is important to do so.
It is generally recognized,________ , that the introduction of the computer in the early 20th century,________by the invention of the integrated circuit during the 1960s, radically changed the process,________its impact on the media was not immediately________As time went
A. A．regarded B． impressed C． influenced D．effected [单选题]风力大于5级，或湿度大于( )%时，不宜进行带电作业。
A.50 B.60 C.70 D.80 [单项选择] 阅读下面短文，掌握其大意，然后从36～55各题所给的四个选项([A]、[B]、[C]和[D])中，选出最佳选项。
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