热门试题:
[单项选择]有2-氨基丙醇结构的是()。
A. 盐酸麻黄碱
B. 重酒石酸去甲肾上腺素
C. 盐酸克仑特罗
D. 盐酸甲氧明
E. 盐酸多巴胺
[单选题]正压式空气呼吸器的气瓶应每年应送有资质的单位检验1次。
A.正确
B.错误
C.
D.
E.略
F.略
[单项选择]The committee has made rules ______all its members are supposed to work.
A. by which
B. so that
C. now that
D. for which
[判断题](3230)( )JZ-7型制动机的机能试验,分为全面检查的“八步闸”试验和整备作业检查的“五步闸”试验。( )
A.正确
B.错误
[单选题]局部峰值评价采用扣分法,各项目偏差扣分标准:Ⅱ级每处扣( )分。
A.5
B.10
C.15
D.20
[不定项选择题]共用题干
The Case of the Disappearing Fingerprints
One useful anti-cancer drug can effectively erase the whorls and other characteristic marks that give people their distinctive fingerprints. Losing______(51)could become troublesome. A case released online in a letter by Annals of Oncology indicates how big a______(52)of losing fingerprints is.
Eng-Huat Tan,a Singapore-based medical doctor describes a 62-year old man who has used capecitabine to______(53)his nasopharyngeal cancer. After three years on the______(54),the patient decided to visit U.S. relatives last December. But he was stopped by U.S. customs officials______(55)4 hours after entering the country when those officials couldn't get fingerprints from the man.There were no distinctive swirly______(56)appearing from his in-dex finger.
U.S.customs has been fingerprinting incoming foreign visitors for years,Tan says.Their in-dex fingers are______(57)and screened against digital files of the fingerprints of bad guys-terrorists and potential criminals that our federal guardians have been tasked with keeping mit of the country. Unfortunately,for the Singaporean travelers,one potential______(58)effect of his drug treatment is a smoothing of the tissue on the finger pads.______(59),no finger- pnnts.
"It is uncertain when fingerprint loss will______(60)to take place in patients who are taking capecitabine,"Tan points out. So he cautions any physicians who______(61)the drug to provide their patients with a doctor's note pointing out that their medicine may cause fingerprints to disappear.
Eventually,the Singapore traveler made it into the United States.I guess the name on his passport didn't raise any red flags.But he's also now got the explanatory doctor's note-and won't leave home______(62)it.
By the way,maybe the Food and Drug Administration,______(63)approved use of the drug 11 years ago,should consider______(64)its list of side effects associated with this medi-cine.The current list does note that patients may experience vomiting,stomach pain and some other side effects.But no where______(65)it mention the potential for loss of fingerprints.
64._________
A.updating
B.using
C.printing
D.cancelling
[单选题] ()由逆止阀与火焰消除器组成,前者阻止可燃气的回流,以免在气管内形成爆炸性混合气,后者能防止火焰流过逆止阀时,引燃气管中的可燃气。
A.防爆阀
B.装回火防止器
C.通气阀
[单项选择]患者女性,20岁。因腹痛服用硫酸阿托品,一周后感到口干,便秘,这属于药物的()
A. 副作用
B. 毒性反应
C. 后遗反应
D. 停药反应
E. 变态反应
[单项选择]
Questions 33 to 35 are based on the passage you have just heard.
33-35
(33)Sometimes the hardest thing about feelings is sharing them with others.But sharing your feelings helps you feel better and also helps you to get closer to people who are important to you.
Before you can share them with anyone,you have to understand what feelings you have.Making a list of your feelings can help.You can do this in your head or by writing it out on a piece of paper.It’s sometimes difficult to define a feeling and its cause.In this case,it might help to remember how you felt on a specific occasion,for example。“I was upset when my friends went to the cinema without me.”
Keeping your feelings to yourself can make you feel worse.(34)If you talk to someone who cares for you,like your parents,you will almost always start to feel better.It doesn’t mean your problems will magically disappear,but at least someone else knows what the
A. To express them clearly.
B. To understand their nature.
C. To share them with others.
D. To identify their cause.
[单项选择]银行之间短期的资金借贷市场是( )。
A. 票据贴现市场
B. 短期债券市场
C. 银行间拆借市场
D. 大额存单市场
[多项选择]闭角型青光眼急性发作期治疗措施为()。
A. 20%甘露醇静脉滴注
B. 2%毛果芸香碱滴眼
C. 1%阿托品滴眼液滴眼
D. 碳酸酐酶抑制剂
E. 血管扩张剂
[判断题]安全管理必须坚持“安全第一、预防为主、综合治理”的原则。
A.正确
B.错误
[多选题]当现场同时使用固定半固定泡沫灭火系统车载泡沫进行灭火时,应确保泡沫( )一致,防止混打错打,影响泡沫灭火效率。
A.比例
B.种类
C.大小
D.倍数
[多选题]水域救援训练中,下面描述正确的是( )。
A. 事先勘察选择地点
B. 对现场环境条件进行评估
C. 对舟艇驾驶员操控能力和队员作业能力进行评估
D. 在预设区域内展开训练
[单选题]成年人为完全民事行为能力人,可以独立实施民事法律行为。( )周岁以上的未成年人,以自己的劳动收入为主要生活来源的,视为完全民事行为能力人。
A.十六
B.十八
C.二十
D.二十二
[单项选择]把压缩机()小于理论输气量,实际耗功大于理论功的原因归纳为四个方面,叫做影响活塞式压缩机输气量的四大因素。
A. 实际输气量
B. 实际吸气量
C. 压缩气体量
D. 气体容积量
[单选题] 第 62 题, 本小题 1 分
变压器二次绕组短路,一次绕组施加电压使其电流达到(____)时,此时所施加的电压称为阻抗电压。
A. 最大值
B. 最小值
C. 标幺值
D. 额定值
[多选题]在发生人身触电事故时,可以不经许可,立即断开有关设备的电源,但事后应立即报告。
A.工作许可人
B.工作负责人
C.值班调控人员
D.运维人员
[单选题](中)( )获得赞成票超过半数的被选举人数多于应选名额时, 以( )为序,至取足应选名额为止。如遇票数相等不能确定当选 人时,应当就票数相等的被选举人再次投票,得赞成票多的当选。
A.姓氏笔画
B.年龄大小
C.性别
D.得票多少
[单项选择]不属于护理人员编设原则的是()
A. 合理结构原则
B. 优化组合原则
C. 责、权、利一致原则
D. 动态调整原则
E. 满足病人护理需要原则
[单项选择]患儿,7岁,局部牙龈退缩,下列原因中最有可能的是().
A. 口腔不良习惯
B. 全身系统疾病
C. 遗传
D. 营养不良
E. 牙周炎
[多选题]手动变速器变速传动机构的作用::
A.改变速比
B.改变扭矩
C.改变方向
D.操作换挡
[多选题]根据《国家电网公司营销项目管理办法》,营销储备项目按照专业管理分类,一般分为(_____)。
A.用电营业类
B.电能计量类
C.市场与能效类
D.供电服务类
[单项选择]How should you signal the crane operator to swing?().
A. With both arms extended out and palms to down, move arms back and forth
B. With arm ertended downwards and forefinger pointing down,move hand in small horizontal crecles
C. Extend arm and point finger in the direction to move boom
D. Place both fists in front of the body with the thumbs pointing outward
[填空题]“蝴蝶泉头蝴蝶树,蝴蝶飞来千万数。首尾连接数公尺,自树下垂疑花序。”每年的4、5月间,大理蝴蝶泉一带有数量庞大的大丽王蝴蝶种群,它们的翅色有黄翅黑斑和橙黑斑两种。研究得知,黄翅黑斑(A)对橙黄黑斑(a)是显性,且亲代基因型及比例是AA(30%)、Aa(60%)、aa(10%)。若它们随机交配,请据孟德尔的分离定律计算,并回答问题:若要使蝴蝶后代的基因频率维持在这一理想状态下,除题干给出的特点外还应具备哪些条件?()
[单项选择]职业卫生管理体系的()评审是指最高管理者按计划的时间间隔,对组织的职业卫生安全管理体系进行评审。
A. 内部
B. 管理
C. 外部
[单项选择]下列属于信息世界的模型,且实际上是现实世界到机器世界的一个中间层次的是 ( )。
A. 数据模型
B. 概念模型
C. E-R图
D. 关系模型
[单选题]将钢件加热到某一温度,再保温一定时间,然后在空气中冷却的过程叫做( )。
A.淬火
B.回火
C.退火
D.正火
[单选题]签发烟草专卖品准运证,应当以( )作为基本依据。
A.国家烟草专卖局统一管理的烟草专卖品准运证计算机网络管理系统中储存的购销合同或者调拨单信息等
B.国家烟草专卖局授权或委托签发的省级烟草专卖局储存的购销合同或者调拨单信息
C.具有签发权限的各级烟草专卖局储存的购销合同或者调拨单信息
D.申办烟草专卖品准运证的单位储存的购销合同或者调拨单信息
[单项选择]急性牙槽脓肿发展过程经历的临床三个阶段为()
A. 浆液期、化脓期、引流期
B. 根尖周脓肿、骨膜下脓肿、黏膜下脓肿
C. 根尖周脓肿、根尖周肉芽肿、根尖周囊肿
D. 急性根尖周炎、慢性根尖周炎、慢性牙槽脓肿
E. 根尖周脓肿、骨膜下脓肿、面部间隙感染
[多选题]作业人员有权拒绝()。
A.强令冒险作业
B.标准化作业
C.规范作业
D.违章指挥
[单选题]依据《中国南方电网有限责任公司电力安全工作规程》(Q/CSG 510001—2015)第5.3.8条规定:作业现场在厂站的带电区域内或邻近带电导体附近,( )使用金属梯子;搬动梯子、管子等长物应将其放倒后,宜由两人搬运,并与带电部分保持足够的安全距离。
A.可以
B.禁止
C.必须
D.在特殊情况下可以
[判断题]室外消火栓应沿着道路布置,宽度超过60米的道路,为避免水带穿越道路影响交通或被车辆轧压,宜将消火栓在道路两侧布置,为方便使用,十字路口应设有消火栓。
A.正确
B.错误