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[判断题]可燃气体泄漏,对于泄露时间较长、泄漏较多定量的现场,现场警戒范围的半径为500米。 ( )( 中 )
A.正确 B.错误 [简答题]某工程项目估算总投资2200万元，其中施工估算价1000万元，设备采购估算价1000万元，勘察估算价43万元，设计估算价100万元，监理估算价57万元。在施工招标过程中，业主委托某省建委进行招标，按照法律程序确定以公开招标的方式分阶段进行招标。
[问题] [多选题]保证安全投入是实现安全生产的重要条件和基础,煤矿企业必须做到()
A.量力而行 B.依法保证投入资金渠道 C.保证资金投入额度 D.专款专用 [单选题] ( )是防止起吊钢丝绳由于角度过大或挂钩不妥时,造成起吊钢丝绳脱钩的安全装置。
A.力矩限制器 B.超高限制器 C.吊钩保险 D.钢丝绳防脱槽装置 [单选题]非营运机动车发生交通事故造成无偿搭乘人损害,属于该机动车一方责 任的,应当减轻其赔偿责任,但是机动车使用人有故意或者重大过失的除 外。
A.正确 B.错误 [多选题]近期，两名国家安全机关的工作人员查封了某市某局人事科干部王某的工作电脑，并带走了王某。据调查，王某的电脑中除了日常办公文档，还有通过某公共通信系统接收，私自保存的42份标注密级的地形图。经保密部门鉴定，这些地图全部属于国家涉密测绘图，其中31份为机密级，11份为秘密级，已被隐藏的窃密木马程序全部发往境外。下面说发正确的是（）
A.公网环境存在安全隐患，使用公网进行涉密文档、资料的传输，会将文件直接暴露在公网上，容易被黑客攻击窃取，导致机密文档外泄 B.文档管理体系不到位，文档一旦发送出去，发送方就失去对文档的管控能力，无法确保接收方的后续行为是否会对机密文档的安全造成影响(如文件外发、恶意留存等敏感操作) C.被境外组织重点关注，我国党政机关、科研院所、军工单位等是境外间谍情报机关的重点关注对象，这些单位的工作人员的手机、电脑是窃取机密资料的重要途径，没有高强度的加密保护容易导致机密文件被窃取 D.涉案人员王某保密意识淡薄 [多选题]CRTSⅡ型板式无砟轨道 ( )地段支承层不得有竖向贯通裂缝。
A.路基 B.隧道 C.连续梁 D.箱梁 [单选题]建立医患关系的原则是( )
A.患者的文化程度和情绪反应 B.疾病性质和患者的人格特征 C.疾病病程和患者的经济状况 D.患者的社会地位和经济状况 E.疾病性质和患者年龄 [判断题]11. 检修状态：指设备的开关、刀闸都在断开位置，并接有临时地线（或合上接地刀闸），设好遮拦，悬挂好标示牌，设备处于检修状态。
A.正确 B.错误 [多选题]本次防洪典设用于15米变台的子模块是：
A.FGB-1(Ⅰ型防内涝杆上变台)子模块 B. FGB-2(Ⅱ型防内涝杆上变台)子模块 C. FGB-3(Ⅲ型防内涝杆上变台)子模块 D. FGB-4(Ⅳ型防内涝杆上变台)子模块 [简答题]传输光缆中断处理流程
[判断题] 单相电能计量装置接线形式有两种,一种是直接接入式,一种是通过互感器接入式。
A.正确 B.错误 [单选题]93. 93.非机械化驼峰计算停车点的位置为调车线警冲标内方()m。(A、5、Y)[04-00-01-06][010403]
A.30 B.50 C.80 D.100 [单项选择]下面平行度符号是（）。
A. ⊙ B. ∥ C. ⊥ D. — [简答题]正步的动作要领？
[单选题]听到口令：成分队纵队——集合时，基准班在指挥员右前方适当位置，成( )迅速站好
A.班横队 B.班纵队 C.二路纵队 D.二列横队 [单项选择]适用于霍乱弧菌的培养基是（）
A. 罗氏改良培养基 B. 无糖基础培养基 C. 吕氏血清培养基 D. 庆大霉素培养基 E. 马铃薯琼脂培养基 [单选题][T]B-A-A-001 4 2 3
BSS由基站收发信机（）和基站控制器（BSC）两种基本设备组成。 A. BTS B. MSC C. GPH D. OPH [判断题]无缝线路应力放散属于施工作业。《安规》第2.1.2条
A.正确 B.错误 [单项选择]希望在不影响工作的前提下进行备份，下面（）是最佳的选择。
A. 降低备份的频率 B. 减少备份的内容 C. 每个周末进行备份 D. 晚上加班进行备份 [单项选择]哪一种组织结构不参与胎盘屏障的组成（）
A. 细胞滋养层 B. 合体滋养层 C. 绒毛内结缔组织 D. 绒毛毛细血管基膜及内皮 E. 内细胞群 [不定项选择题]共用题干
第一篇
Putting Plants to Work Using the power of the sun is nothing new.People have had solar-powered calculators and buildings with solar panels（太阳能电池板）for decades. But plants are the real experts. They' ve been using sunlight as an energy source for billions of years. Cells in the green leaves of plants work like tiny factories to convert sunlight, carbon dioxide（二氧化 碳）,and water into sugars and starche（淀粉）,stored energy that the piants can use. This conversion process is called photosynthesis (光合作用）Unfortunately, unless you' re a plant, it's difficult and expensive to convert sunlight into storable energy. That's why scientists are taking a closer look at exactly how plants do it. Some scientists are trying to get plants,or biological cells that act like plants, to work as very small photosynthesic power stations. For example, Maria Ghirardi of the National Renewable Energy Laboratory in Golden. Cobo.,is working with green algae（水藻）.She's trying to trick them into producing hydrogen instead of sugars when they perform photosynthesis. Once the researchers can get the algae working efficient- ly ,the hydrogen that they produce could be used to power fuel cells in cars or to generate electricity. The algae are grown in narrow-necked glass bottles to produce hydrogen in the lab. During photosynthe- sis , plants normally make sugars or strchds. "But under certain conditions,a lot of algae are able to use the sunlight energy not to store starch , but to make hydrogen."Ghirardi says. For example ,algae will produce hy- drogen in an airfree environment. It' s the oxygen in the air that prevents algae from making hydrogen most of the time. Working in an airfree environment, however, is difficult. It's not a practical way to produce cheap energy. But Ghirardi and her colleagues have discovered that by removing a chemical called sulfate（硫酸盐） from the environment that the algae grow in, they will make hydrogen instead of sugars,even when air is present. Unfortunately, removing the sulfate also makes the algae's cells work very slowly,and not much hydrogen is produced. Still ,the researchers see this as a first step in their goal to produce hydrogen efficiently from algae. With more work,they may be able to speed the cells' activity and produce larger quantities of hydrogen. The researchers hope that algae will one day be an easy-to-use fuel source. The organisms are cheap to get and to feed, Ghirardi says,and they can grow almost anywhere:"You can grow them in a reactor, in a pond. You can grow them in the ocean. There's a lot of flexibility in how you can use these organisms." What does Ghirardi say about algae? A.They can be a good energy source. B.They grow faster in a reactor. C.They will be planted everywhere. D.They are cheap to eat. [多选题]设备检修应做到相互配合，（）电设备要同步检修。
A.发 B.输 C.变 D.配 E.用 F./ G./ H./ [判断题]做完工作安全分析需要办理作业许可证的作业活动，作业前不必获得相应的作业许可，就可开展工作。
A.正确 B.错误 [单选题]掘路施工应做好防止（）的安全措施。
A.触电 B.交通事故 C.火灾 D.坍塌 [单项选择]Where are they talkingWhat does the woman mean
A. She loves the present. B. She can drive a car. C. She would like to buy a car. [单项选择]
Section Ⅰ Use of English Directions: Read the following text. Choose the best word(s) for each numbered blank and mark A ,B,t2 or D on ANSWER SHEET I. Black death that drove Newton from his college and into a momentous discovery, (1) England in 1665. Astronomical records of the time show that (2) was a year of intense sun-spot activity, and studies of annual tree (3) , which are wider when the sun is disturbed (4) that the terrible plague of 1348 was (5) accompanied by an active sun. This sounds incredible, (6) we now have evidence that the sun has a direct effect on some of our body (7) . Over 120 ,000 tests made on people in a Black Sea (8) to measure the number of lymphocytes in their blood. These small cells normally (9) between 20 and 25 percent of man’s white blood cells, but in years of great solar activity this (10) decreases. There was a biff drop during the sunspot years of [多项选择]下列对于紧急救援呼叫服务（SYNC?3连接服务）描述不正确的是（）。
A. 限制最高速度 B. 事故后需要电话联系开通服务 C. 全系车型配置 D. 终身免费服务 [单项选择]下列哪项是自我照顾性作业
A. 整容 B. 用药 C. 进食 D. 交流 E. 以上均对 [单选题]哪项不是高血压性脑出血的常见诱因:
A. 睡眠过多 B. 情绪激动 C. 重体力活动 D. 用力咳嗽、打喷嚏 E. 用力排便 [多选题]客户可以根据自身教育规划需求选择投资基金的（ ）。
A.品种 B.数量 C.金额 D.时间 E.价格 [单项选择]患者，女 21岁，下肢水肿、尿少3周，查体：血压150/100mmHg，口腔黏膜多个溃疡，尿常规蛋白(+++)，红细胞15～20个/HP，白细胞5～10个/HP，．血Cr正常，Hb 90g/L，ESR 100mm/h
男性，51岁，患有高血压5年，伴2型糖尿病，尿蛋白(+)。此时的降压药物首先考虑为 A. 利尿剂 B. β-受体阻滞剂 C. α-受体阻滞剂 D. 血管紧张素Ⅱ受体拮抗剂 我来回答: 提交
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