热门试题:
[单项选择]L-吡咯酮β-萘基酰胺反应试验,即PYR试验用于特异性检测的细菌是()。
A. 金黄色葡萄球菌
B. 甲型溶血性链球菌
C. 淋病奈瑟菌
D. 肺炎链球菌
E. A群链球菌
[单选题]高亚音速运输机飞行操纵系统中马赫配平系统的作用是:
A.克服大马赫数飞行中的自动沉头现象
B.克服低马赫数飞行中的飘摆振荡现象
C.克服低速飞行中可能的失速现象
D.克服大马赫数飞行中的俯仰配平困难问题
[单项选择]
When I first entered university, my aunt, who is an English professor, gave me a new English dictionary. I was (16) to see that it was an English-English dictionary, also known as a monolin-gual dictionary. (17) it was a dictionary intended for non—native learners, none of my classmates had one (18) , to be honest, I found it extremely (19) to use at first. I would look up words in the dictionary and (20) not fully understand the meaning, I was used to the (21) bilingual dic-tionaries, in which the words are (22) both in English and Chinese, I really wondered why my aunt (23) to make things so difficult for me. Now, after studying English at university for three years, I (24) that monolingual dictionaries are (25) in learning a foreign language.
As I found out, there is (26) often NO perfect equivalence(对应) between two (27) in two language. My aunt even goes so far as to (28) A. Largely
B. Generally
C. Gradually
D. Probably
[单选题]C70型敞车打开中立门时,必须先打开上门锁,拨开上门锁手把支座, 左旋上门锁杆( ),然后向下拉即可打开上门锁。
A.60°
B.30°
C.45°
D.90°
[判断题]窖泥发酵期间,因产气膨胀而导致薄膜不密封的应及时处理规范。( )
A.正确
B.错误
[简答题]在个人系统出现全国性系统故障时,国家外汇管理局将通过国家外汇管理局应用服务平台发布信息,启动应急业务办理。个人系统恢复后,境内银行E银行应如何处理?
[填空题]软件开发过程主要分为需求分析、设计、编码与测试4个阶段,其中______阶段产生“软件需求规格说明书”。
[单项选择]5岁男孩,浮肿1个月,体检有高度浮肿,血压 16/10kPA,尿蛋白(+++),24小时尿蛋白定量2500mg,尿沉渣RBC5~8个HP,BUN5. 4mmol/L。最可能的诊断是
A. 急性肾炎
B. 慢性肾炎
C. 单纯性肾病
D. 肾炎性肾病
E. 迁延性肾炎
[单项选择]鼻腔毛细血管瘤最常见于()
A. 上鼻甲前端和鼻中隔上部
B. 中鼻甲前端和鼻中隔上部
C. 下鼻甲前端和鼻中隔前部
D. 中鼻甲前端和鼻中隔后部
E. 下鼻甲后端和鼻中隔后部
[简答题]0. Service is the prompt delivery of the product. It is courteous sales personnel. It is a CORRECT
00. user or service manual modified to meet for your customer’’s needs. It is ready FOR
41. access to a service facility. It is knowledgeable, cost-effective maintenance, and
42. repair, or replacement. Service is dealer support. Service varies by the product type,
43. the quality of the product, the price of the product, and the distribution channel of
44. employed. So for export products that require no service - such as food products,
45. some consumer goods, and commercial disposables, the issue is resolved when
46. once distribution channels have been identified. On the other hand, because the
47. characteristics of the consumer durables and some consumables demand that
48. service be available. For such products, service is a feature that expected by the
49. consumer. In fact, foreign buyers of industrial goods typically place service at the
50. forefront of t
[单项选择]某初孕妇,妊娠38周。腹部检查:子宫呈椭圆形,胎先露部较软且不规则,胎心在脐上偏左,本例的胎先露应是()
A. 肩先露
B. 臀先露
C. 面先露
D. 枕先露
E. 颏先露
[单项选择]爆炸物是主要由()、引信和外壳三部分组成的能产生爆炸的装置。
A. 炸药
B. 雷管
C. 火工品
D. 主装药
[单项选择]检测机构对出具的检测数据和结论的真实性、规范性和准确性()。
A. 应由技术主管负责
B. 应由主管领导负责
C. 负法律责任
[单选题]A B C类干粉灭火器又称为()干粉灭火器。( )
A.碳酸氢钠
B.磷酸铵盐
C.钾盐
D.氨基
[单项选择]内痔的主要症状
A. 疼痛
B. 肛周瘙痒
C. 肛周肿块
D. 便鲜血
E. 肛周感染
[单选题]散状物料运载时应装入容器,进行捆绑或使用编织袋进行包装,堆放时应使载荷( )分布。
A.靠前
B.靠后
C.均匀
D.居中
[单选题]A-A-B-003 4
车站站台端部无通道的设备房间,以房间外墙为界,靠轨道侧的区域属于( )。
A.车辆段
B.车场区域
C.车站
D.正线轨行区
[单项选择]女性,45岁。皮疹半年,加重伴高热1周,伴活动后轻度的呼吸困难,辅助检查提示:尿蛋白1.0g/L,超声心动检查提示肺动脉高压,患者1日前无明显诱因突发抽搐,10分钟后自行缓解,头颅CT检查未见异常表现为进一步明确诊断,首选的检验是()
A. 脑脊液及血清中自身抗体检测
B. 胸片
C. 冠状动脉造影
D. 血常规检查
E. 心肌显像
[填空题]写出下列核苷酸符号的中文名称:ATP______,dCDP______。
[单项选择]设计方案选择最常用的方法是()。
A. 逐项审查法
B. 分组计算审查法
C. 重点审查法
D. 比较分析法
[简答题]在综调标准化‘办’这项工作中,针对群障工单,在故障期间,综调中心应跟踪督办对应网络故障彻底恢复,对存量在途工单至少每日___次清理,针对超___小时未恢复故障,根据专业部门回复的处理时限联系客户解释及跟踪。
[单项选择]《元史学》的作者是()?
A. 吉尔兹
B. 海登·怀特
C. 福柯
D. 埃尔金斯
[单选题]上线路作业时,禁止携带手机等非生产配置的声讯电子设备横越线路或上线作业时,严禁拨打、接听手机,查看或发送手机信息;严禁横越线路或侵限行走的同时使用无线通讯设备(包括无线调车灯显电台、GSM-R手持台、无线列调电台、货检作业手持机及电台等)联系、联控上道检查工作遇需要使用手机等声讯电子设备时,应()、
A. 站在指定位置使用
B. 站在股道旁边使用
C.有同行人时使用
D.站在安全位置使用
[判断题]为方便旅客旅行,每名旅客可携带不超过200毫升的空气清新剂、发胶等自喷压力容器。
A.正确
B.错误
[单项选择]
The majority of people, about nine out of ten, are right-handed. (1) until recently, people who were left-handed were considered (2) , and once children showed this tendency they were forced to use their right hands. Today left-handedness is generally (3) , but it is still a disadvantage in a world (4) most people are right-handed. For example, most tools and implements are still (5) for right-handed people.
In sports (6) contrast, doing things with the left hand or foot, is often an advantage. Throwing, kicking, punching or batting from the " (7) " side may result in throwing (8) many opponents who are more accustomed to dealing with the (9) of players who are right-handed. This is why, in many (10) at a professional level, a (11) proportion of players are left-handed than in the population as a whole.
The word "right" in many languages means "c
A. the
B. any
C. some
D. a
[单选题]( )不是正时齿轮异响的原因。
A.正时齿轮间隙过小
B.正时齿轮间隙过大
C.正时齿轮磨损
D.正时齿轮断齿
[单选题]图样中(包括技术要求和其他说明)的尺寸,一般以( )为单位。
A.千米
B.毫米
C.厘米
D.米
[简答题]板型的实质是什麽?并对板型不良加以细分。
[单选题]在宽大的车间、仓库和大厅等建(构)筑物内灭火时,为防止屋顶塌落或其他物体坠落伤人,转移阵地应依靠( )设置。
A.防火墙
B.防火门
C.承重墙
D.防火卷帘
[简答题]某工厂拟采用生物法处理丙烯腈废水,水量50m3/h,BOD5=300mg/L,废水中缺磷,试计算每小时需投加的工业用磷酸氢二钠的量。
(分子式Na2HP04•12H20,纯度为96%)
[单选题]《国家电网公司输变电工程初步设计内容深度规定》,初步设计 阶段,对于 220kV 架空线路一般段工程,以下哪个( )不是必备图 纸
A.防振、防舞方案图
B.杆塔一览图
C.基础一览图
D.导、地线特性曲线或表
[单项选择]以下属于连续检测补货系统的是( )。
A. 人工视觉检测补货系统
B. 双箱检测补货系统
C. 订购点补货系统
D. 定期检测补货系统
[单选题]肛门内测体温的正确方法
A.肛表插入肛门内1~2cm,测温1分钟
B.肛表插入肛门内1~2cm,测温2分钟
C.肛表插入肛门内2~3cm,测温1分钟
D.肛表插入肛门内2~3cm,测温2分钟
E.肛表插入肛门内3~4cm,测温2分钟
[判断题]脉宽调制信号是具有恒定频率、同时间开启比率的信号()。
A.正确
B.错误
[多选题] 关于基尔霍夫第一定律的正确说法有()。
A.基本内容是研究回路中各部分电流之间的关系
B.电路中任何一个节点(即3个以上的支路连接点叫节点)的电流其代数和为零,其数学表达式为ΣI=0
C.规定一般取流入节点的电流为正,流出节点的电流为负
D.该定律基本内容是研究电路中各支路电流之间的关系
[单选题]汽车通风系统一般为()。
A.自然通风
B.强制通风
C.自然通风和强制通风
D.行车通风