How many teeth have you had filled in the past two years If you follow the advice of Dr. Faustick, you may be able to reduce tire number of your visits to a dentist. Dr. Faustick conducted a two-year survey to find out how to prevent or reduce dental decay. 946 students took part in an experiment. 523 students cleaned their teeth within ten minutes of eating: when possibly they used a toothbrush, when this was impossible they washed their mouth thoroughly with water. The remaining 423 students merely cleaned their teeth when they went to bed and when they got up in the morning. All the students had their teeth X-rayed at the end of the first and second years. At the end of the first year, the night and morning group had. three times as many decayed teeth as the former group. Dr. Faustick has cleaned his teeth after each meal for thirteen years and has not had a single decayed tooth. He pointed out that sugar is a major agent in dental decay. Particularly the sugar in sweets, cake
A. Coca Cola.
B. Sausage.
C. Milk.
D. Fried chicken.
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Valuing
Childhood{{/B}} The value of childhood is easily blurred (变得模糊不清) in today’s world. Consider some recent developments: The child-murderers in the Jonesboro, Ark. schoolyard shooting case were convicted and sentenced. Two boys, 7 and 8, were charged in the murder of an 11 year old girl in Chicago. Children who commit horrible crimes appear to act of their own will. Yet, as legal proceedings in Jonesboro showed, the one boy who was able to address the court couldn’t begin to explain his acts, though he tried to apologize. There may have been a motive--youthful jealousy (妒忌) and resentment. But a deeper question remains: Why did these boys and others in similar trouble apparently lack any inner, moral restraint That question echoes for the accused in Chicago, young as they are A. discipline B. right and wrong C. shame D. safety [单选题] "凝血类产品超滤过程中需要监控哪些指标( )
A.流速、压力、膜包试漏 B.pH、压力 C.电导率、pH、蛋白含量 D.效价、pH" [判断题]单位应该落实逐级消防安全责任制，必须将岗位安全责任落实到每位员工。（ √ ）
A.正确 B.错误 [判断题]架棚巷道支护设计前，必须参照《采矿工程设计手册》中的设计方法，根据围岩特征、破碎程度、压力大小、服务年限等科学、合理确定钢棚材质、棚间距、防倒方式、网片规格等基础支护参数。
A.正确 B.错误 [多选题]施工起重机械和整体提升脚手架.模板等自升式架设设施安装完毕后,安装单位应当自检,出具( ),并向施工单位进行安全使用说明,办理( )并签字。
A.产品合格证明 B.安装合格证明 C.自检合格证明 D.交接手续 E.验收手续 [多项选择]
{{B}}每个案例至少有5个提问，每个提问有6—12个备选答案，其中正确答案有1个或者多个，根据备选答案的重要性而得分权重不同。{{/B}}
A. 动脉导管未闭 B. 贫血 C. 严重二尖瓣反流 D. 左房黏液瘤 E. 严重主动脉瓣狭窄 [单选题]《铁路旅客运输服务质量规范》（铁总运〔2016〕247号）规定：列车在7：00以前或（）始发或终到的，或者根据季节、昼夜变化情况，可以提前或顺延30—60分钟，其他时间只能播报应急广播。途经地区与北京时间存在时差时，可适当调整。
A.21：00之后 B.21：30之后 C.22：00之后 D.23：00之后 [单选题]在《民用航空空中交通管理运行单位安全管理规则》中规定，（）对民航空管运行单位遵守有关法律、法规、规章和标准等情况进行定期和不定期监督检查。
A.地区空管局 B.监管局 C.地区管理局 D.民航局空管局 [单项选择]在PowerPoint中设计动画时，有（）两种不同的动画设计。
A. 有声音和无声音 B. 活动幻灯片和静止幻灯片 C. 幻灯片内和幻灯片间 D. 文字效果和图片效果 [多选题]
土地革命战争时期,盛行( )错误 A.马克思主义教条化 B.共产国际决议神圣化 C.苏联经验神圣化 D.个人崇拜主义 [单选题]加油站爆炸危险区域内不可以使用的维修工具是( )
A.棉拖把 B.铁制扳手 C.铁锹 D.铝桶 [单选题]单选题】大锤及手锤的柄应用( )制成,不准用大木料劈开制作,也不能用其他材料替代,应装得十分牢固,并将头部用楔栓固定。
A.整根的硬木 B.成型的橡胶 C.坚硬的金属 D.成型的树脂 [单项选择]等离子切割器切割时工作液应用蒸馏水，焊接时用（）的酒精溶液。
A. 20% B. 330% C. 40% D. 50% [单项选择]关于审方，以下说法不正确的是
A. 审方时，调剂人员不仅要对医师负责，更要对患者用药的安全有效负责 B. 如发现处方中药味或剂量字迹不清时，不可主观猜测以免错配 C. 收方后必须认真审查处方各项内容，经审查无误后方可计价 D. 处方日期超过1日的应请处方医师重新签字方可调配 E. 审方人员无权涂改医师处方 [多选题]（ ）区段，进站信号机为色灯信号机时，设色灯预告信号机或接近信号机。
A.半自动闭塞 B.自动站间闭塞 C.自动闭塞 D.全自动 [判断题]人民警察使用约束性警械,不得故意造成人身伤害。(1.0分)
A.正确 B.错误 [单项选择]设二叉树根结点的层次为0，一棵高度为n的满二叉树中结点的个数是________。
A. 2的n次幂个 B. 2的n-1次幂个 C. 2的n次幂减1个 D. 2的n+1次幂减1个 [多选题]下列关于胆固醇的说法，正确的有( )。
A.植物油中可能含有胆固醇 B.胆固醇主要在胆囊中生成 C.胆固醇在体内主要代谢成胆汁酸 D.低密度脂蛋白主要转运内源性胆固醇 [单项选择]老年帕金森患者的治疗最适当的治疗药物是（）。
A. 安坦 B. 复方左旋多巴 C. 司来吉兰 D. 溴隐亭 E. 维生素E 我来回答: 提交
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