热门试题:
[单项选择]在制作SC头的过程中,当用剥纤钳剥除纤丝涂覆层后,用酒精棉球或醮有酒精的无纺布擦试纤丝不应超过()次。
A. 1
B. 2
C. 3
D. 4
[单项选择]发出材料汇总表是一种( )。
A. 记账凭证
B. 汇总凭证
C. 明细账
D. 累计凭证
[单项选择]破伤风最失发生收缩的肌肉是()
A. 面肌
B. 咬肌
C. 颈项肌
D. 背腹肌
E. 四肢肌
[单选题]动能弹,顶部( ),为手触摸标志。
A.有一圆形凸起
B.有两道凸起横杠
C.有一道凸起横杠
D.光滑
[单选题]下列叙述中,违背《实验动物管理条例》精神的是 ______。 ( )
A.实验动物繁育室和动物实验室应设在同一区域,按同样的要求进行管理
B.对不同等级的实验动物,应当按照相应的微生物控制标准进行管理
C.实验动物的保种、饲育应采用国内或国外公认的品种、品系
D.应用实验动物应当根据不同的实验目的,选用相应的合格实验动物
[多选题]动密封的类型包括( )。
A.全自动密封
B.半自动密封
C.接触式密封
D.非接触式密封
E.半接触式密封
[单项选择]
Salt, shells or metals are still used as money in out-of-the-way parts of the world today.
Salt may seem rather a strange (21) to use as money, (22) in countries where the food of the people is mainly vegetable, it is often an (23) necessity. Cakes of salt, stamped to show their (24) , were used as money in some countries until recent (25) , and cakes of salt (26) buy goods in Borneo and parts of Africa.
Sea shells (27) as money at some time (28) another over the greater part of the Old World. These were (29) mainly from the beaches of the Maldives Islands in the Indian Ocean, and were traded to India and China. In Africa, shells were traded right across the (30) from East to West.
Metal, valued by weight, (31) coins in many parts of the world. Iron, in lumps, bars or rings, is still used in many countries (32) paper money. It can either be exchanged <
A. often
B. seldom
C. really
D. much
[多选题]现场测量tgδ时,往往出现-tgδ,阐述产生-tgδ的原因有哪些( )。
A.电场干扰
B.磁场干扰
C.标准电容器受潮
D.存在T型干扰网络
E.绝缘损坏
[判断题]正确使用施工机具、安全工器具和劳动防护用品是工作班成员的安全责任。
A.正确
B.错误
[单选题]男,58岁,慢性咳嗽4年,痰中带血,乏力、体重减轻2个月,30年吸烟史。X线胸片左上肺可见一密度较高的圆形阴影,边缘不清。如果此患者出现淋巴结肿大,哪组区域的浅表淋巴结最先肿大的可能性大
A.左颈深淋巴结上群
B.左锁骨上窝
C.右锁骨上窝
D.颈前三角
E.颈深部淋巴结下群
[单项选择]
Historically, humans get serious about avoiding disasters only after one has just struck them. (21) that logic, 2006 should have been a breakthrough year for rational behavior. With the memory of 9/11 still (22) in their minds, Americans watched hurricane Katrina, the most expensive disaster in U.S. history, on (23) TV. Anyone who didn’t know it before should have learned that bad things can happen. And they are made (24) worse by our willful blindness to risk as much as our (25) to work together before everything goes to hell.
Granted, some amount of delusion (错觉) is probably part of the (26) condition. In A.D. 63, Pompeii was seriously damaged by an earthquake, and the locals immediately went to work (27) , in the same spot—until they were buried altogether by a volcano eruption 16 years later. But a (28) of the past year in disaster history suggests that modern Americans are particularly
A. visual
B. vivid
C. live
D. lively
[单项选择]人体内氨的主要去路是
A. 生成谷氨酰胺
B. 再合成氨基酸
C. 在肝中合成尿素
D. 经肾泌出随尿排走
E. 渗入肠道随大便排出
[单选题]Citect加密狗上张贴的纸质信息显示“Full:1”,表明该加密狗( )
A.是服务器加密狗
B.是监控客户端加密狗
C.是监视客户端加密狗
D.是客户端加密狗
[简答题]交通信号黄灯亮时,直行的车辆和行人是否可以通行?
[单项选择]Which expressions are correct to declare an array of 10 String objects? ()
A. char str[];
B. char str[][];
C. String str[];
D. String str[10];
[单项选择]不属于包涵体性结膜炎的是
A. 是通过呼吸道传播
B. 不发生瘢痕
C. 有乳头增生
D. 是由D-K型沙眼衣原体所致
E. 无假膜形成
[单项选择]What did she do when she found the noise crone from the waste-paper basket
[多选题]多点控制器(MCU)主要由( )模块组成。
A. 网络接口模块
B. 多路复用和解复用设备
C. 控制处理器
D. 数据处理器
[单选题]党政军民学,东西南北中,党是领导一切的。必须增强( ),自觉维护党中央权威和集中统一领导,自觉在思想上政治上行动上同党中央保持高度一致。
A.政治意识、大局意识、核心意识、看齐意识
B.政治意识、大局意识、权威意识、看齐意识
C.政治意识、全局意识、核心意识、看齐意识
D.政治意识、全局意识、权威意识、看齐意识
[多选题]不属于夏季四防范畴的是( )。
A.防滑
B.防冰雹
C.防雷电
D.防干旱
[多项选择]英国工程咨询协会设置()等组织结构。
A. 秘书处
B. 理事会
C. 部门利益小组
D. 顾问小组
E. 委员会
[判断题]电缆耐压试验前,加压端应做好安全措施,防止人员误入试验场所。另一端应设置围栏并挂上警告标示牌。如另一端是上杆的或是锯断电缆处,应派人看守。
A.正确
B.错误
[多项选择]在我国,消费者的权利包括的()
A. 选择商品和服务自主权
B. 公平交易权
C. 人格尊严受尊重权
D. 商品真实情况知悉权
E. 损害求偿权
[单选题]有毒有害物质沾染皮肤时,应立即去除衣物,用大量的水进行冲洗( )分钟以上,并彻底洗消,情况严重或沾染强腐蚀性和剧毒物质必须及时就医。
A.5
B.8
C.10
D.15
[简答题]按照建筑工程绿色施工评价标准,实施绿色施工施工单位应履行哪些职责?
[多选题]铁路车站有关营业处所应有相应的票价表、运价表、( )等内容。
A.杂费表
B.里程表
C.时刻表
D.旅客须知
[单项选择]人脑对客观事物的属性及其规律的反映称之为( )。
A. 情感过程
B. 认识过程
C. 意志过程
D. 个性
[简答题]不能采用V形作业进行的停电检修作业,须利用垂直作业方式,其地点应在接触网____用红线框出,并注明____V形作业字样。
[单选题]三相鼠笼式异步电动机,当采用延边三角形起动时,每相绕组的电压( )。
A. 比Y—△起动时大,比全压起动时小
B. 等于全压起动时的电压
C. 是全压起动时的3倍
D. 是全压起动时的1/3倍
[简答题]《铁路技术管理规程》普速)中的径路是指什么?《技规》普)词语释义:第5条
[判断题]国家和社会加强吸烟危害健康的宣传教育,禁止或限制在公共交通工具和公共场所吸烟,禁止青少年吸烟,劝阻中小学生吸烟。( )
A.正确
B.错误
[填空题]4-9月的农业排灌用电电价在农业排灌电价的基础上下降( )分/kWh。
[多选题]下列费用中,应计入建筑安装工程施工机具使用费的有( )。
A.施工机械折旧费
B.施工机械大修理费
C.工程所需仪器摊销费
D.企业试验部门仪器修理费
E.企业附属单位车辆折旧费
[填空题]Dalian urgently needs to establish a{{U}} (36) {{/U}}of talented people to meet the challenges in the world market.
At a conference on the city’s{{U}} (37) {{/U}}last Saturday, Bo Xilai, the city’s mayor, expressed his concern about tile "{{U}} (38) {{/U}}personnel with backward knowledge". "We do not have enough people good at foreign languages and foreign trade or computer skill," he said. To build Dalian into a modem{{U}} (39) {{/U}}city, "we must open the door to receive talents from all fields," he said.
The city needs managerial experts for the{{U}} (40) {{/U}}departments in the municipal government and enterprises. It also wants special experts to{{U}} (41) {{/U}}technical problems. Overseas-returned students, professionals and experts at home and abroad are on the wish-list {{U}} (42) {{/U}}up by tile municipal government.
Preferential policies have been worked out to help skilled people.{{U}} (43) {{/U}}in the city.
{{U}} (44) {{/U}}.They will
[单选题]下列说法错误的是()。
A.从业人员享有停止作业和紧急撤离的权利
B.保护现场作业人员的生命安全是次要的
C.在生产过程中,经常会在作业时发生一些意外的或者人为的直接危及从业人员人身安全的危险情况