In a telephone survey of more than 2,000 adults, 21% said they believed the sun revolved (旋转) around the earth. An (1) 7% did not know which revolved around (2) I have no doubt that (3) all of these people were (4) in school that the earth revolves around the sun; (5) may even have written it (6) a teat. But they never (7) their incorrect mental models of planetary (行星的) (8) because their everyday observations didn’t support (9) their teachers told them: people see the sun "moving (10) the sky as momin8 turns to night, and the earth seems stationary (静止的) (11) that is happening.
Students can leant the right answers (12) heart in class, and yet never combined them (13) their working models of the world. The objectively correct answer the professor accepts and the (14) personal understanding of the world can (15) side by side, each unaffected by the other.
Outside of class, the student continues to use the (16) model because it has always worked
A. how
B. which
C. that
D. what
American society is not nap (午睡)
friendly. In fact, says David Dinges, a sleep specialist at the University of
Pennsylvania School of Medicine. "There’s even a prohibition against admitting
we need sleep". Nobody wants to be caught napping or found asleep at work. To
quote a proverb: "Some sleep five hours, nature requires seven, laziness nine
and wickedness eleven." Wrong. The way not to fall asleep at work is to take naps when you need them. "We have to totally change our attitude toward napping", says Dr. William Dement of Stanford University, the godfather of sleep research. Last year a national commission led by Dement identified an" American sleep debt "which one member said was important as the national debt. The commission was concerned about the dangers of sleepness: people causing industrial accidents or falling as A. don’t like to take naps B. are terribly worried about their national debt C. sleep less than is good for them D. have caused many industrial and traffic accidents [单项选择]急性感染性心内膜炎主要致病菌是()
A. 金黄色葡萄球菌 B. 肺炎球菌 C. 淋球菌 D. 流感杆菌 E. A族链球菌 [判断题]二级动火工作票的有效期为24h。
A.正确 B.错误 [单选题]使用携带型仪器在高压回路上进行工作,至少由两人进行。需要高压设备停电或做安全措施的,应填用变电站(发电厂)()。
A.带电作业工作票 B.第一种工作票 C.第二种工作票 D.电力电缆工作票 [简答题]压入式局部通风机的通风方式的适用条件有哪些?
[单项选择]男,38岁。3年前患结核性渗出性心包炎,近1~2个月来呼吸困难、腹胀、水肿。查体:颈静脉怒张。X线示:左、右心缘变直及心包钙化。该患者颈静脉怒张是由于()。
A. 上腔静脉阻塞 B. 下腔静脉阻塞 C. 右心房压力增高 D. 右房向右室回流受阻 E. 静脉向右房回流受阻 [单选题]动火作业许可证的期限一般不超过( )个班次,如果在许可证规定的期限内没有完成作业,申请人需填写延期申请。
A.2 B.1 C.3 D.都不是 [简答题]PID调节器中I的作用是__(1)__, D的作用是__(2)__。
[单项选择]某一供电企业2003年某月发行全口径电费6200万元,当月发生新欠310万元,该供电企业当月电费回收率为()。
A. 5%; B. 95%; C. 98%; D. 90% [单项选择]有关混悬剂的物理稳定性叙述错误的是()
A. 外用混悬剂应易于涂布 B. 混悬剂形成疏松的絮状聚集体的过程称为絮凝 C. 向混悬剂中加入高分子助悬剂可增加介质黏度,并减少微粒与分散介质之间密度差 D. 分散相浓度降低,混悬剂的稳定性下降 E. 冷冻可破坏混悬剂的网状结构,也可使稳定性降低 [单选题]工作人员的正常活动范围与1-10kv检修的线路带电体之间最小安全距离是()。
A.1.00m B.0.70m C.0.60m D.0.35m [填空题]客户机/服务器结构是一种基于 【14】 的分布式处理系统。
[单项选择]发现重症精神疾病患者危险性评估在3级以上时()
A. 继续观察、随访即可,不需要请精神科医师会诊 B. 继续观察、随访,必要时请精神科医师会诊 C. 继续观察、随访即可,不需要向个案管理组组长报告 D. 继续观察、随访即可,同时向个案管理组组长报告 E. 应及时请精神科执业医师会诊,同时向个案管理组组长报告,实施紧急住院治疗 [判断题] 列车切除关门旁路运行时列车按人工ATP方式行车。
A.正确 B.错误 [单项选择]可进行骨髓移植治疗的贫血是()
A. 巨幼细胞性贫血 B. 再生障碍性贫血 C. 自身免疫性溶血性贫血 D. 慢性病贫血 E. 缺铁性贫血 [单选题]《高速铁路无砟轨道线路维修规则》第6.1.2条规定:导曲线下股高于上股的限值,18号及以上道岔临时补修为( )mm。
A.0 B.2 C.3 D.4 [单选题]井室顶板内表面应高于电力隧道内顶()m,并应预埋电缆吊架,在最大容量电缆敷设后各个方向通行高度不低于()m。
A.0.51 B.0.51.5 C.12 D.12.5 [单选题]党的十九届三中全会指出,要完善党和国家机构法规制度,依法管理各类组织机构,加快推进机构.职能.权限.程序.责任法定化,全面推行政府部门____,规范和约束履职行为,让权力在阳光下运行,强化机构编制管理刚性约束,加大机构编制违纪违法行为查处力度。
A..权力清单制度 B..权责清单制度 C..负面清单制度 D..职能清单制度 [填空题]缨帽变换旋转坐标空间,但旋转后的坐标轴不是指到主成分的方向,而是指到另外的方向,这些方向与地物有密切的关系,特别是与()和()有关。
[判断题]机车段修时,车钩组装后应达到钩锁铁与钩舌接触面须平直,接触面积不小于40%。( )
A.正确 B.错误 [多选题] 有关盐酸氯丙嗪的叙述,正确的是
A. 分子中有吩噻嗪环 B. 有吸湿性,易溶于水 C. 在空气或日光中放置,渐变为红棕色 D. 由于遇光分解产生自由基,部分病人在强日光下发生光毒性反应 E. 用于治疗精神分裂症,亦用于镇吐等 我来回答: 提交
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