1岁男婴，因反复患感染性疾病就诊，化验发现，RBC2.6×1012/L，HB70g/L，RBC大小不等明显，大红细胞中心淡染区扩大，应选用下列哪组药物治疗（）
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Charter Schools{{/B}} American public education has changed in recent years. One change is that increasing numbers of American parents and teachers are starting independent public schools called charter schools. In 1991, there were {{U}} (51) {{/U}} charter schools in the United States. Today, more than 2,300 charter schools {{U}} (52) {{/U}} in 34 states and the District of Columbia2. 575,000 students {{U}} (53) {{/U}} these schools. The students are from 5 years {{U}} (54) {{/U}} age through 18 or older. A charter school is created by groups of parents, teachers and community members. It is similar {{U}} (55) {{/U}} some ways to a traditional public school. It receives tax money to operate just as {{U}} (56) {{/U} A. study B. learn C. attend D. are educated [单选题]1.10 模拟高速公路_____考试内容。
A.属于科目一 B.属于科目二 C.属于科目三 D.不属于 [填空题]根据遵义会议精神,在红军转战至川滇黔交界时,政治局常委进行分工,决定由( )代替博古负党中央总的责任。
[单选题]架空线路的档距不得大于( )<18年1月B试题>
A.20m B.25m C.30m D.35m [单选题]少数民族自治地方,面积占全国总面积的近( )
A. 60% B. 61% C. 63% D. 64% [判断题]真空断路器适用于35kV及以下的户内变电所和工矿企业中要求频繁操作的场合和故障较多的配电系统，特别适合于开断容性负载电流。其运行维护简单、噪声小。(____)
A.正确 B.错误 [单项选择]The "standard of living" of any country means the average person’s share of the goods and services which the country produces. A country’s standard of living, therefore, depends first and foremost on its capacity to produce wealth. "Wealth" in this sense is not money, for we do not live on money but on things that money can buy: "goods" such as food and clothing, and "services" such as transport and entertainment.
A country’s capacity to produce wealth depends upon many factors, most of which have an effect on one another. Wealth depends to a great extent upon a country’s natural resources, such as coal, gold, and other minerals, water supply and so on. Some regions of the world are well supplied with coal and minerals, and have a fertile soil and a favourable climate; other regions possess none of them. Next to natural resources comes the ability to turn them to use. Some countries are perhaps well off in natural resources, but suffered for many years from civil and external A. its standard of living B. its living C. its ability to provide goods and services D. its ability to provide transport and entertainment [多项选择]丁某因一次沉船事故下落不明，后被法院宣告死亡。此后，有人意外发现丁某依然生存。经其利害关系人申请，法院作出新判决，撤销原判。请问：在下列哪些情况下，丁某因宣告死亡而消灭的婚姻关系不能自行恢复
A. 配偶再婚 B. 原配偶再婚又离婚 C. 原配偶再婚后其配偶病故 D. 原配偶虽未再婚，但拒绝恢复婚姻关系 [多选题]符合以下情况之一的，高压线路应停电：( )
A.在带电线路杆塔上工作时，人体或材料与带电导线最小距离小于安规规定的作业安全距离，同时无其他可靠安全措施的。 B.邻近或交叉其他电力架空线路的工作时，人体或材料与带电线路的安全距离小于安规规定，同时无其他可靠安全措施的。 C.电缆线路及附属设备检修或试验工作需线路停电的。 D.可能向工作地点反送电的线路或设备。 E. 其他需要停电的线路或设备。 [单项选择]下列说法中，哪个是错误的（）。
A. AT主机板尺寸较小，所以不能放置较多的元器件及AT扩充插槽 B. ATX主机板直接提供串行口COM1和COM2、并行口LPT1、PS/2鼠标接口和PS/2键盘接口 C. NLX主机板由主卡和附加卡（Add-in）组成 D. 集成式主机板中集成了各种接口卡的功能 [单选题]加强防雷设施检查，重点检查()是否达标，接地装置各部件连接是否可靠，对发现的问题要及时安排整治(1分)
A.分段绝缘器 B.分相绝缘器 C.避雷器接地电阻 D.断路器 [填空题](208983)通过人体直流电流为( )会使人有生命危险。(2.0分)
[单项选择]用离子选择性电极法测定空气中氟化物时，为消除干扰，通常将测试溶液的pH控制在5～6之间，干扰物主要是指（）。
A. 铝 B. 铁 C. OH D. 硅酸盐 E. 铅 [多选题] 《安全生产法》规定从业人员具有的权利有( )。
A. 紧急避险权 B.获得劳动保护的权利 C.知情权 D.合法拒绝权 [判断题]CRH380A统型动车组设有全自动15型车钩。
A.正确 B.错误 [单项选择]马科维茨指出在同一期望收益的前提下，最有效的是( )的投资组合。
A. 高收益率 B. 低收益率 C. 高风险 D. 低风险 我来回答: 提交
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