[填空题]
{{B}}Beijing 2008: The First 4G Wireless Olympic Games
{{/B}}
About half a million years ago, Peking man lived in
Zhoukoudian, in the southwestern suburbs of what is now Beijing. If you have
been to Beijing more recently, or are at all familiar with modern China, then
you know this ancient city is going to host the most modern, high-tech Olympic
Games ever in 2008. With technology available today, and a vision for what
Beijing could be in 2008, there is an opportunity for the hosts to make the
city’s telecommunications infrastructure--in the words of the Olympic motto —
"swifter, higher, stronger". The Path to 4G
Beijing has the good
fortune of looking at previous generations of wireless networks and avoiding the
same mistakes as it prepares for 2008. First Generation (1G) wireless
telecommunications — the brick-like analog phones that are now collector’s
items—introduced the cellular architecture that is still b
[填空题]
· Read the text below about an international competition.
· In most of
the lines 41-52there is one extra word. It is either grammatically incorrect or
does not fit in with the meaning of the text. Some lines, however, are
correct.
· If a line is correct, write CORRECT on your Answer Sheet.
· It
there is an extra word in the line, write the extra word in CAPITAL LETTERS on
your Answer Sheet.
{{B}} THE
INTERNATIONAL YOUTH SKILLS COMPETITION{{/B}}
The International
Youth Skills Competition is held in every two years over
a
period of three days. The purpose is to bring together the world’s top
41.
young technicians. The standard of work is extremely high and the results
are
42. a good indication of a nation’s industrial skill base. Teams take
their part in
43. a variety of activities ranging from the cookery to leading
a hill walking
44. expedition. Naturally, these
competitions can be stressful’
[简答题]案例5 10kV配合停电误操作
2012年8月25日上午,某供电公司姚××独自携带操作票、绝缘操作杆、安全带和安全帽到10kV青和线史桥支线1号杆进行停电操作(无停电计划)。5时48分,姚××在10kV青和线#002断路器(开关)还未断开情况下,带负荷拉开10千伏青和线史桥支线#1杆#FK015刀闸(GW9-10/400单极刀闸),拉开A相刀闸时,产生弧光导致A相瓷瓶(靠电源侧动触头处)击穿通过电杆单相接地,在杆上操作的姚××从约2米高处赶紧下杆,下地时造成触电死亡。
试分析该起事件中违反配电《安规》的行为。
[单选题]( )是指轴颈与防尘板座的过渡圆弧部分
A.轮座后肩
B.轮座前肩
C.轴颈后肩
D.轴颈前肩
[单选题]要道还道时,昼间“四道”手信号的显示方式为()。
A.两臂左右平伸
B.右臂向上直伸
C.两臂向上直伸
D.右臂向右上方,左臂向左下方各斜伸45°角
[单选题] 年10月23日,新华社授权发布《全国土地利用总体规划纲要(2006~2020年)》,对全国耕地保有量提出了约束性目标。温家宝总理在2009年政府工作报告中强调,一定要守住全国耕地这条红线。这条红线是指( )。
A.不少于17亿亩
B.不少于18亿亩
C.不少于19亿亩
D.不少于20亿亩
[单选题]火车和汽车车厢基本上都是金属和玻璃构成的密闭结构,在车厢里收听不到半导体收音机的广播却可以通过手机与外界通话,原因是:( )
A.半导体收音机的灵敏度大大低于手机
B.两者电磁波强度不同,穿透车厢的能力不同
C.两者电磁波频率不同,穿透车厢的能力不同
D.半导体收音机和手机接收和处理电磁波信号的原理不同
[单选题]以下有关“发药过程”的叙述中,不恰当的是
A.尽量做好门诊用药咨询工作
B.核对患者姓名,最好询问就诊的科室
C.逐一与处方核对药品,检查规格、数量
D.向患者详细介绍所发出药品的所有不良反应
E.向患者交代每种药品的用法和特殊注意事项,尤其是同一药品有两盒以上时
[多项选择]下列账户中,属于债权账户的是( )。
A. 应收账款
B. 短期借款
C. 预付账款
D. 实收资本
[多选题]配电自动化缺陷分为三类,按重要等级依次为:( )、( )、( )。
A.A.危急缺陷
B.B.严重缺陷
C.C.紧急缺陷
D.D.一般缺陷
[单项选择]有些病原物侵入寄主后常具有潜伏侵染特性,这类病原物最可能是()。
A. 弱性寄生物
B. 专性寄生物
C. 腐生物
D. 活体寄生物
[单项选择]男性30岁,从事驾驶员工作5年,近3年反复发作腰痛,放射到右足跟部,腰椎CT提示,腰骶椎间盘突向右后方,压迫神经根。以下体征中哪一条与该诊断不相符合()
A. 腰5骶1棘突间压痛,向右下肢放射
B. 右下肢直腿抬高试验阳性,加强试验阳性
C. 右踝反射明显减弱
D. 右足外侧外踝部皮肤感觉减退
E. 右跗背伸肌力下降
[单选题]依据《安全生产法》,全面负责领导安全生产工作,在生产安全事故的应急救援工作中处于组织领导核心地位的是( )。
A.县级以上地方各级人民政府
B.国务院安全生产监督管理部门
C.国家安全生产应急救援指挥中心
D.负有安全生产监督管理职责的部门
[单选题]列车广播室门应有( )状态良好、确保使用。
A.内销、外锁装置,
B.内销
C.内、外锁闭装置,
D.外锁
[单项选择]“包装种类”栏:( )。
A. 木箱
B. 集装箱
C. 纸箱
D. 裸装
[判断题]ZXWM M900和ZXMP M800设备均支持2种监控系统:2M监控系统和10M、100 M监控系统。
[单项选择]根据《企业会计准则——投资性房地产》,下列项目不属于投资性房地产的是()。
A. 企业自用的厂房
B. 已出租的土地使用权
C. 已出租的建筑物
D. 持有并准备增值后转让的土地使用权
[单选题]喉上神经内侧支损伤出现( )
A.饮水呛咳
B.声调降低
C.呼吸困难
D.吞咽困难
E.声音嘶哑
[单项选择]
A land not suffering from destruction, plus wealth, natural resources, and labour supply--all these were important factors in helping England to become the center for the Industrial Revolution. (21) they were not enough. Something else was needed to start the industrial process. That "some thing special" was men-- (22) individuals who could invent machines, find new (23) of power,
The men who (24) the machines of the Industrial Revolution (25) from many backgrounds and many occupations. Many of them were (26) inventors than scientists. A man who is pure scientist is primarily interested in doing his research (27) . He is not necessarily working and that his findings can be used.
An inventor or one interested in applied science is usually trying to make something that has a real and specific (28) . He may try to solve a problem by using the theories of science or by experimenting through trial and er
A. But
B. And
C. Besides
D. Even
[多选题]蛇管式换热器根据管外流体冷却方式的不同,蛇管式换热器分为( )。
A.沉浸式
B.喷淋式
C.接触式
D.混合式
[单选题]输电线路与一级通信线的交叉角应( )。
A.≤30°
B.≤45°
C.≥30°
D.≥45°
[单选题]早产儿出生后,生理性黄疸 7~9 天开始消退,最长可延迟至( )周。
A. 1~2
B. 2~3
C. 3~4
D.4~5
[单项选择]驾驶机动车遇雾、雨、雪等能见度在50米以内时,最高速度不能超过多少?
A. 70公里/小时
B. 50公里/小时
C. 40公里/小时
D. 30公里/小时
[判断题]采用APD的光接收机,比PIN的光接收机的灵敏度更低
A.正确
B.错误