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the world, we need standards to regulate it. Space flight and air travel would shock time travelers from the mid-19th century. People considered such thing impossible back again. But when it comes to that gem of late 20th-century technology, the Internet, the time travelers might well say: "Been there. Done that." They have the reasons to say so. Both systems grew out of the cutting-edge science of their time. The telegraph’s land lines, underwater cables, and clicking things reflected the 19th century’ s research in electromagnetism. The Internet’ s computers and high-speed connections reflect 20th-century, and material technology. But, while small devices make a global network possible, it takes human cooperation to make it happen. To do so, nations negotiated A. the Internet is totally changing the way we communicate. B. the Internet can only work on the base of the communication methods already in existence.. C. the Internet will never be able to substitute radio, TV, and other telecommunications. D. with the Internet, we can do without radio, TV, and other telecommunications. [单项选择]从挥发油的乙醚溶液中萃取酸性成分应使用
A. 1%硫酸溶液 B. 5%盐酸溶液 C. 2%氢氧化钠溶液 D. 20%硝酸银溶液 E. 氯化钠水溶液 [单项选择]按人月费单价法计费时，不属于可报销费用的是( )。
A. 食宿费 B. 通信费 C. 健康和医疗费 D. 办公设备、用品费 [判断题]易燃液体大都本身或其蒸气具有毒害性，有的还有刺激性和腐蚀性
A.正确 B.错误 [多选题]下列影响施工质量的因素中，属于材料因素的有（ ）。
A.计量器具 B.建筑构配件 C.新型模板 D.工程设备 E.安全防护设施 [多选题]下列关于期货投机与套期保值的说法中，正确的有（ ）。
A.两者的交易目的不同 B.两者的交易方式不同 C.两者的交易风险不同 D.两者的交易目的相同 [填空题]在导、地线上悬挂梯子、飞车进行等电位作业前，应检查本档两端杆塔处导、地线的_____情况。挂梯载荷后，应保持地线及人体对_____导线的安全间距比_____中的数值增大_____；带电导线及人体对被跨越的电力线路、通讯线路和其他建筑物的安全距离应比_____中的数值增大1m。导线的安全间距比表8-1中的数值增大0.5m；带电导线及人体对被跨越的电力线路、通讯线路和其他建筑物的安全距离应比表8-1中的数值增大_____。
[单项选择]In the 1950s, the development of antipsychotic drugs called neuroleptics(抑制精神病药物)radically changed the clinical outlook for patients in mental institutions who had previously been considered hopelessly psychotic. Daily medication controlled delusions and made psychotherapy possible. Many who otherwise might never have left institutions returned to society. Now physicians have learned that there is a price to be paid for these benefits. Approximately 10 to 15 percent of patients who undergo long-term treatment with antipsychotic drugs develop a cluster of symptoms called tardive dyskinesia(迟发性运动障碍 ), the most common symptoms of which are involuntary repetitive movement of the tongue, mouth, and face, and sometimes the limbs and trunk.
Neuroleptic drugs interfere with the action of dopamine (多巴胺), an important neurotransmitter in the brain, by binding to the dopamine receptors of nerve cells, and dopamine is a prime suspect in the pathophysiology of schizophrenia. Large doses of dru A. The Therapeutic Value of Antipsychotic Drugs B. The Tradeoff in the Use of Neuroleptic Drugs C. The Connection between Psychotherapy and Neuroleptic Drugs D. Recent Developments in the Treatment of Mental Illness [多项选择]施工安全技术措施主要包括（）。
A. 进入施工现场的安全规定 B. 地区及深坑作业不设防护 C. 高处及立体交叉作业的防护 D. 施工用电 E. 防火防爆措施 [多选题]国家对于建设项目，特别是国家的大、中型建设项目的宏观管理，在可行性研究阶段，主要是通过()来实现。
A.技术管理 B.规划管理 C.计划管理 D.经济管理 E.法律管理 [多选题]当工务人员检查、作业中发现线路设备故障或自然灾害时：应立即按照《安规》第2.2.12条要求进行（ ）。迅速通知工长或车间主任，并采取（）修复故障设备；
A.防护 B.抢险抢修 C.紧急措施 D.调度指令 [多项选择]
A. 管理人可以申请人民法院予以撤销 B. 管理人不能申请人民法院予以撤销 C. 因为甲公司向个别债权人C企业的清偿行为，发生在人民法院受理破产申请前6个月内 D. 因为清偿债务是甲公司的法定义务，管理人无权干预 [填空题]With more and more young people getting into trouble with the law, social workers are very busy. They are trying to keep (36) out of jail and in school.
One way to do this is to keep those young people busy with a (37) activity. In some places, social workers set up programs to direct (38) energy from the drawing of graffiti (涂鸦) to the (39) arts. In other places, basketball or baseball teams are set up. Sometimes the young people are (40) into patrol groups. Then, they are given the job of protecting older citizens that they might (41) have robbed and attacked. Social workers set up these youth programs to meet the needs of a (42) area. Social workers are highly trained people and are good at solving community problems. They know how to set up (43) and get things started. However, (44) . These voluntary people encourage the young artists, train the sports teams, and oversee the pat [单项选择]早晨一次使用一天分3～4次服用的糖皮质激素，目的在于（）
A. 使糖皮质激素的副作用减少小，但疗效也减少 B. 使糖皮质激素的吸收最佳 C. 使垂体-肾上腺轴负反馈消失 D. 使糖皮质激素的排泄减少 E. 对垂体促皮质激素释放的抑制作用减轻，减少不良反应 [填空题]货物列车换算长度超过()规定时为超长列车。（应知应会-《行规》第29条）
[判断题]张某到甲的加盟店欲批发1万元调味品,见甲态度不好就表示不买了。甲对张某拳打脚踢,并说:“涨价2000元,不付款休想走。”张某无奈付款1.2万元买下调味品。甲的行为构成强迫交易罪。
A.正确 B.错误 [判断题]未得到（确认）列车进入股道的通知，严禁对LKJ进行股道号输入操作，司机应严格控制列车进站运行速度，在确认列车所进股道后，方可将股道号输入LKJ。
A.正确 B.错误 [单选题]患儿,6岁。被诊断为法洛四联症,该患儿行走时喜欢下蹲片刻再走,这样做主要是可以( )
A.下腔静脉回心血量减少 B.心脑供血量增加 C.减少组织耗氧 D.体循环阻力增加,使右向左分流减少 E.缓解漏斗部肌肉痉挛 [单选题]在低压用电设备上停电工作前，应断开电源、取下熔丝，加锁或（），确保不误合。
A. A.悬挂铭牌 B.B.悬挂标示牌 C.C.悬挂围栏 D.D.断开 [单选题]被子植物开花的目的是为了( )。
A.露出花被 B.露出花药 C.露出子房 D.露出花蕊 [多选题]白血病患者口腔护理要点 ( )
A.白血病患者常用洗必泰预防真菌感染 B.常规使用洗必泰的浓度为2.5% C.如继发厌氧菌感染可使用含甲硝唑 D.口腔黏膜出现溃疡者常用0.1%利多卡因 E.粒细胞缺乏的患者可用重组粒细胞刺激因子稀释漱口 [多项选择]右心衰竭症状有
A. 食欲不振 B. 腹胀 C. 咳嗽、咳痰 D. 乏力、头晕 E. 恶心、呕吐 [判断题]欲表示于图上的实地最短线段长度为 0.5m,则应采用的比例尺不得小于1/500。该表述（ ）
A.正确 B.错误 [单选题]轨距是钢轨头部踏面下( )mm范围内两股钢轨工作边之间的最小距离。
A.10 B.12 C.14 D.16 [多项选择]政府投资的领域包括( )。
A. 公益性项目 B. 基础性项目 C. 其他项目 D. 高新技术产业 E. 发达地区建设 [单项选择]企业在一些商场派驻信息员属于（）。
A. 联谊活动 B. 帮助销售 C. 参与观察调查 D. 非参与观察调查 [单项选择]城市道路水泥混凝土面层分块线距各种检查井盖框不应小于（）
A. 1m B. 1.5m C. 2.0m D. 2.5m 我来回答: 提交
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