| American public education has changed
numbers of American parents and teachers are in recent years. One change is that
increasing starting independent public schools {{U}} (51) {{/U}} charter
schools (特许学校). In 1991, there were no charter schools in the United States. Today, more than 2,300 charter schools {{U}} (52) {{/U}} in 34 states and the District of Columbia. 575,000 students {{U}} (53) {{/U}} these schools. The students are from 5 years of age through 18 or older. A charter school is {{U}} (54) {{/U}} by groups of parents, teachers and community (社区) members. It is similar in some ways {{U}} (55) {{/U}} a traditional public school. It receives tax money to operate just as other public schools do. The {{U}} (56) {{/U}} it receives depends on the number of students. The chart A. set B. reach C. indicate D. define [单项选择]Which of the following problems may occur when using fuel oil with a high sulphur content?（）
A. Injection lag B. Lube oil dilution C. Pre-ignition D. Corrosion [单项选择]湿邪的致病特点是（）
A. 重浊 B. 凝滞 C. 善行 D. 炎上 [单选题]党的十九届五中全会提出,坚持总体国家安全观,实施国家安全战略,维护和塑造国家安全。国家安全观包括了11个方面的安全,下列不在其内的是()。
A.空气安全 B.资源安全 C.信息安全 D.核安全 [多选题]安全工器具运输或存放在车辆上时，不得与酸、碱、油类和化学药品接触，并有（ ）的措施。
A.A.防晒 B.B.防滑 C.C.防损伤 D.D.防绝缘性能破坏 [名词解释]程控交换机
[单项选择]
Foreign propagandists have a strange misconception of our national character. They believe that we Americans must be hybrid, mongrel, undynamic; and we are called so by the enemies of democracy because, they say, so many races have been fused together in our national life. They believe we are disunited and defenseless because we argue with each other, because we engage in political campaigns, because we recognize the sacred right of the minority to disagree with the majority and to express that disagreement even loudly. It is the very mingling of races, dedicated to common ideals, which creates and recreates our vitality. In every representative American meeting there will be people with names like Jackson and Lincoln and Isaacs and Schultz and Kovack and Sartori and Jones and Smith. These Americans with varied. backgrounds are all immigrants or the descendants of immigrants. All of them are inheritors of the same stalwart tradition of unusual enterprise, of adventurousness, of c [单选题]隧道衬砌用混凝土应满足强度和( )要求。
A.抗渗性 B.耐久性 C.抗冻性 D.抗蚀性 [单项选择]齐某，头部外伤后出现昏迷，休克，急诊入院，病室值班护士首先要做的护理工作是
A. 迎接病人 B. 简单做入院介绍 C. 简短向病人家属介绍住院环境 D. 边通知医生，边做好抢救准备工作 E. 立即进行人工呼吸、心外按压 [判断题]在金币本位制度下，汇率的波动不无边际。
[单选题]脚手板应铺设牢靠.严实,并用安全网双层兜底,施工层以下每隔( )m 应用安全网封闭。
A.8 B.9 C.10 D.12 [单选题]探头的近场长度由下式决定（ ）。
A.A. N＝1.22 /D B.B. N＝D/4 C.C. N＝D²/4 D.D. N＝2/D [单项选择]患者，女性，46岁，已婚，生育一子，健康，患甲亢3年，合并心房纤颤，经抗甲状腺药物治疗效果不理想。上述方法治疗最常见的并发症是 （）
A. 甲状腺癌 B. 白血病 C. 甲状腺功能减退症 D. 甲亢危象 E. 白细胞减少症 [单项选择]副翼反效现象发生在（）
A. 小速度转弯遇上升气流作用 B. 大速度飞行急剧偏转大角度副翼 C. 压坡度过猛 [单选题]正线、到发线及其相衔接的轨道电路区段，原则上不得出现轨道电路分路不良；如有发生，有关部门、单位必须在（ ）小时内整治完毕。
A.12 B.24 C.48 D.72 [单选题] 当不知道被测电流的大致数值时,应该先使用( )量程的电流表试测。
A.较小 B.中间 C.较大 [简答题]血管内溶血的实验室检查有哪些
[单选题]10kV绝缘工具进行电气预防性试验时，施加1min工频耐压电压值为（ ）。
A.20 B.35 C.45 D.75 [判断题]溴化锂吸收式制冷机组压力检漏时可向机组充0.5~0.6MPa无油压缩空气或氮气。
A.正确 B.错误 [单选题]电对人体的伤害，主要来自()。
A.电压 B.电流 C.电磁场 D.电弧 [判断题]89、京台高速与岚曹高速连接的枢纽是薛城枢纽。
A.正确 B.错误 [单项选择]病理上诊断慢性支气管炎的主要根据是( )
A. 支气管壁充血、水肿 B. 支气管上皮变性、坏死 C. 支气管黏液腺体增生 D. 支气管壁平滑肌增生 [多选题]疏散物资必须在单位负责人或者技术人员的配合下有序进行，视情利用铲车等机械车辆提高疏散效率，对疏散出的物品，必须（）。
A.指定专人看护 B.检查是否夹带火种 C.分类存放 D.用水浸湿 [单选题]我国现行增值税的征税范围不包括
A.进口货物 B.存款利息收入 C.在中国境内销售货物 D.在中国境内提供应税劳务 [判断题]内封堵漏袋主要用于当发生危险物质泄漏事故时,用于堵漏1巴反压的密封沟渠与水管道。( )(易)4
A.正确 B.错误 [单项选择]为了保持心包纵隔引流管的通畅，患者生命体征平稳后可采取（）
A. 平卧位 B. 健侧卧位 C. 患侧卧位 D. 半坐卧位 E. 头低足高位 [简答题]社会主义民主政治的本质和核心是什么?
我来回答: 提交
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