热门试题:
[单项选择]治疗肠道和肠外阿米巴病的首选药物是（）
A. 克林霉素
B. 甲硝唑
C. 多黏菌素
D. 利福平
E. 罗红霉素
[单选题]非随机性时间数列包括（ ）。
Ⅰ.非平稳性时间数列
Ⅱ.季节性时间数列
Ⅲ.趋势性时间数列
Ⅳ.平稳性时间数列
A.Ⅰ.Ⅱ.Ⅲ.Ⅳ
B.Ⅱ.Ⅲ.Ⅳ
C.Ⅰ.Ⅱ.Ⅲ
D.Ⅰ.Ⅳ
[单选题]以下哪项不是制冷系统低压端的零部件？（ ）
A.高低压开关
B.蒸发器
C.压缩机与蒸发器之间的管路
D.膨胀阀的温度感应包
[多选题]装卸电杆等物件（ ）。
A. 应采取措施，防止散堆伤人
B. 分散卸车时，每卸一根之前，应防止其余杆件滚动
C. 每卸完一处，应将车上其余的杆件绑扎牢固后，方可继续运送
D. 分散卸车时，每卸超过半数前，应防止其余杆件滚动
[单项选择]Great works are performed not by strength but by persistence.
A. permanence
B. proliferation
C. perseverance
D. predominance
[单项选择]能避免首过效应的剂型是（）
A. 片剂
B. 包合物
C. 栓剂
D. 胶囊剂
E. 散剂
[多选题]从业人员在岗前进行安全生产教育和培训后，应确保具备哪些知识技能（）。
A.必要的安全生产知识
B.熟悉有关的安全生产规章制度和安全操作规程
C.掌握本岗位的安全操作技能
D.了解事故应急处理措施
[判断题]各级单位应当在编制应急预案的基础上，针对工作场所、岗位的特点，编制简明、实用、有效的应急处置卡，以及图文并茂的应急工作手册，作为应急预案的补充。
A.正确
B.错误
[判断题]( )转向开关接线松动会导致转向灯亮度变低，并且闪光频率减慢。
A.正确
B.错误
[单选题]根据《中国电信CN2网络组织与策略规范》,CN2的所有交换机的外部路由采用（）协议
A.
RIP
B.
IS-IS
C.
OSPF
D.
BGP
[多选题] "薪利薪的最低起存金额不正确的有()
A.1000
B.10000
C.5000
D.2000"
[单选题]劳动者年满( )周岁,有劳动能力且有就业愿望的,可凭本人身份证件,通过公共就业服务机构、职业中介机构介绍或直接联系用人单位等渠道求职。
A.18
B.16
C.20
D.15
[单选题]2.263. 第263题
下列情况中出现2次谐波的是()
A.TA暂态饱和时二次电流中有2次谐波
B.TA稳态饱和时二次电流中有2次谐波
C.发电机过励磁时差动电流中有2次谐波
D.变压器过励磁时差动电流中有2次谐波
[单项选择]上下颌骨包绕牙根周围的突起部分（）
A. 牙槽骨
B. 牙槽窝
C. 牙槽嵴
D. 牙槽间隔
E. 牙根间隔
[填空题]
For centuries, the nature of the brain was shrouded in mystery. Aristotle is said to have 1 it was a cold sponge, whose main task was to 2 the blood. Later, Leonardo da Vinci 3 the brain as a curious void filled by three tiny bulbous structures 4 in a straight line 5 the eyeball. Not all early theories were quite so misguided, 6 . From the first studies 7 language deficits, it was 8 that the brain played some direct part in language use. In 1836, an 9 French country doctor, Max Dax, claimed that, in forty aphasic (患失语症的) patients he had seen, 10 of language ability always 11 with damage to the left half of the brain. Thirty years later, this claim was 12 proved by the French surgeon Paul Broca. He had studied aphasic 13 in patients who were found to have brain damage 14 the left frontal lobe. Broca was struck by the contrast with right hemisphere damage, 15 seemed to have little effect on speech. The area Broca isolated and the aphasia associated with it now 16 his name, "
[多选题]七氟丙烷灭火系统的启动方式为（ ）三种。
A.自动控制
B.手动（电气）控制
C.机械应急手动控制
D.机械应急自动控制
[单选题]我国对消费品实行（ ）课征。
A.单环节
B.双环节
C.多环节
D.多环节与双环节混合
[单选题]党支部( )对入党积极分子做一次考察鉴定。
A.每年
B.每季度
C.每半年
D.随时
[简答题]
Some decades ago, the powers declared that employee diversity
was a good thing, as desirable as double-digit profit margins. It’s proving just
as difficult to achieve. Companies try all sorts of things to attract and
promote minorities and women. They hire organizational psychologists. They staff
booths at diversity fairs. They host dim-sum brunches and salsa nights. The most
popular—and expensive—approach is diversity training, or workshops to teach
executives to embrace the benefits of a diverse staff. Too bad it doesn’t
work.
A groundbreaking new study by three sociologists shows
that diversity training has little to no effect on the racial and gender mix of
a company’s top ranks. Frank Dobbin of Harvard, Alexandra Kalev of the
University of California, Berkeley, and Erin Kelly of the University of
Minnesota sifted through decades of federal employment statistics provided by
companies. Their analysis found no real change in the number of w
[单选题]腹部手术铺巾原则
A.先上后下,先近后远
B.先下后上,先近后远
C.先下后上,先远后近
D.先上后下,先远后近
E.先下后近,先远后上
[多选题]本地连接有发出的字节数,而接收到的字节数为0,故障原因可能为( )
A.网卡与Windows XP不兼容或者兼容性不好
B.网线有问题
C.网卡自适应速率设置相识
D.网线水晶头和网卡接触不好
[多项选择]下列关于设备更新方案比选的原则，正确的说法是（）。
A. 计算现有设备的经济寿命和新设备的经济寿命，然后进行逐年滚动比较
B. 按新旧设备方案的的现金流量进行比较，不考虑旧设备的投入
C. 站在客观的立场上进行评价
D. 沉没成本已经发生，应计人原设备的价值
E. 沉没成本已经发生，非现在决策能改变，不再考虑
[填空题]仪表的精度等级就是仪表的（）去其百分号。
[单项选择]纵向扫地杆应采用直角扣件固定在距底座上皮不大于（）处的立杆上。
A. 100mm
B. 150mm
C. 200mm
[判断题]根据《变电安规》，低压触电时，因触电者的身体是带电的，其鞋的绝缘也可能遭到破坏，救护人不得接触触电者的皮肤，也不能抓他的鞋。
A.正确
B.错误
[简答题]2006年10月上旬，山西省运城市天马文化用纸厂的污水池决口，污水流入引黄干渠，并在渠内大量积存。此后，由于该厂在工作中又不慎损坏了引黄干渠闸门上的零部件，致使大量污水再次流入引黄干渠，造成安邑水库管理委员会所辖的樊村水库上水两个多小时，将污水带入樊村水库，41万立方米的库存水被严重污染，运城市北城地区居民饮用水被迫停供3天，直接经济损失高达35.8万余元。
问：运城市纸厂的行为是否构成了刑事犯罪？为什么？
[判断题]结构相对指标一般用百分数表示，其分子和分母只能是时期指标。( )
[单项选择]使用治疗剂量的强心苷治疗慢性心功能不全时，下列哪种说法是错误的（ ）
A. 对心脏有抑制房室传导作用
B. 可减慢心室率
C. 可增加心肌收缩力
D. 反射性地使周围血管阻力下降
E. 综合其对心脏的各种作用，最终使心肌耗氧量增加
[单项选择]Ranch. It was near Los Angeles in California. A few years later Hollywood was one of the famous places in the world. At the beginning of the 20th century there was a big farm called Hollywood. From the 1910’s to the 1950’s, Hollywood was the film center of the world.
Every family knew the names of its film stars—Charlie Chaplin, Greta Garbo, Bergman and hundreds more.
The reason why people went to Hollywood to make films was the sun. At first, people made films in New York on the east coast of the United States.
But then they heard about Los Angeles, where there are 350 days of the sun every year. As they made all the films by sunlight, the west coast was a much better place to work. Also near Hollywood you can find mountains and sea and desert. They did not have to travel far to make any kind of film.
When TV became popular, Hollywood started making films for television. Then in the 1970’s they discovered people still went to the cinema to see big expensive films.
A. cinema
B. big farm
C. park
D. market
[多项选择]举高消防车的举升系统由（ ）组成。
A. 液压装置
B. 电气系统
C. 汽车底盘
D. 水路系统
E. 工作臂
[多选题]建设工程施工合同（示范文本）2017中，除专用合同条款另有约定外，发包人提供的工程量清单，应被认为是准确的和完整的。出现下列情形之一时，发包人应予以修正，并相应调整合同价格：( )。
A.工程量清单存在缺项、漏项的；
B.工程量清单偏差超出专用合同条款约定的工程量偏差范围的；
C.未按照国家现行计量规范强制性规定计量的；
D.实际工程量与投标清单工程量不一致的；
E.材料采购价格与投标清单工程材料价格不一致的。
[单选题]以下关于工程变更管理说法正确的是()。
A.工程变更(E
A.EngineeringChange)，指的是针对未正式投入施工的工程进行的变更
B.设计变更应尽量提前，变更发生得越早则损失越小，反之则越大
C.几乎所有的工程项目都可能发生变更甚至是频繁的变更，并且这些变更都是有益的
D.引起工程变更的因素及变更产生的时间是可以掌控的
[多选题]餐车使用方法正确是：
A.红色踏板为刹车
B.绿色踏板为刹车
C.红色踏板为刹车解除
D.绿色踏板为刹车解除"
