热门试题:
[单项选择]当政府采取强有力的宏观调控政策,紧缩银根,则( )。
A. 一般有利于公司企业,盈利上升
B. 投资者对上市公司有较好的盈利预期,股价上扬
C. 居民由于升息而收入提高,将促使股价上涨
D. 企业的投资和经营会受到不利影响,盈利下降
[单选题]长轨车运行中,人员必须离开轨端( )m以外,并严禁在长轨上走动。
A.2
B.3
C.4
D.5
[多选题]继电器的外罩须(),外罩应采用阻燃材料。
A.完整清洁、明亮
B.封闭良好
C.封印完整
[判断题]供电方作业人员应检查客户工作票中所列安全措施是否正确完备,是否符合现场实际条件,必要时予以补充完善。
A.正确
B.错误
[单项选择]
W:All of your classmates seemed so enthusiastic about selecting French as their second language.
M:But in the end only a few signed up for the course.
What does the man say about his classmates()
A. Only a few of them didn’t choose the course.
B. Most of them had learned the course.
C. It was too late to take the course.
D. Most of them didn’t take the course.
[单选题]用电客户在用电过程中,由两个及以上电力计费客户合并为一个计费客户,简称( )。
A.分户
B.过户
C.并户
D.销户
[判断题]减压回路不宜用在压降大、流量大的场合。
A.正确
B.错误
[单选题] 煤矿企业必须安排主要负责人和领导班子成员下井带班,确保与工人()。
A.同时开班前会;
B.同时排查隐患;
C.同时下井、同时升井;
D.同时升井;
[单项选择]Questions 22 to 25 are based on the conversation you have just heard.A. They will organize a meeting to discuss a proposal.
B. They will organize a protest to express their opposition.
C. They will organize an appeal-letter signing activity.
D. They will organize a march around the campus.
[单项选择]某患者右下阻生智齿反复肿痛1年余。1周来右面下部出现肿胀伴开口受限。X线片示48近中阻生,下颌升支弥漫性密度增高,升支外侧皮质无明显破坏,但密质骨外侧有骨质增生。可能的诊断为()
A. 牙源性中央性颌骨骨髓炎
B. 牙源性边缘性颌骨骨髓炎
C. 骨纤维异常增生症
D. 颌骨结核
E. 成骨肉瘤
[多选题]按照作业复杂程度和设备影响范围,维修项目分为()和()?《安规》第2.1.4条
A.Ⅰ维修
B.Ⅱ维修
C.临时补修
D.经常保养
[单选题]25.内容分析的核心就是通过某一标准来对媒介的信息内容进行( )
A.分类统计
B.单元确定
C.标准划分
D.样本分析
[单选题]同样转速的发电机,磁级对数多的,电源频率( )。
A.低
B.高
C.不变
D.不一定。
[单项选择]国家对进口()的国外供货商、国内收货人实行注册登记制度。
A. 大宗散装商品
B. 易腐烂变质商品
C. 可用作原料的固体废物
D. 易发生残损、短缺的商品
[多选题]预防全麻术后肺不张的措施中,正确的是( )
A.术后给予镇咳药
B.维持每天液体摄入量
C.术后鼓励患者有效咳嗽、咳痰
D.协助翻身、拍背
E.保持室内正常温度、湿度
[判断题] ( )按照换热设备的用途可分成:加热器、冷却器、汽化器、重沸器(再沸器)和换热器等。
A.正确
B.错误
[单选题]火灾分类,属于A类火灾的是:
A.固体物质火灾
B.液体火灾和可熔化的固体火灾
C.气体火灾
D.金属火灾
[不定项选择题]共用题干
Animal's"Sixth Sense"
A tsunami was triggered by an earthquake in the Indian Ocean in December,2004.It killed tens of thousands of people in Asia and East Africa. Wild animals,______(51),seem to have escaped that terrible tsunami .This phenomenon adds weight to notions that they possess a"sixth sense"for______(52),experts said.
Sri Lankan wildlife officials have said the giant waves that killed over 24,000 people along the Indian Ocean island's coast clearly______(53)wild beasts,with no dead animals found.
"No elephants are dead,not______(54)a dead mbbit. I think animals can______(55)dis-aster. They have a sixth sense.They know when things are happening,"
H.
D. Ratnayake,deputy director of Sri Lanka's Wildlife Department,said about one month after the tsunami attack. The______(56) washed floodwatei up to 2 miles inland at Yala National Park in the ravaged southeast,Sri Lanka's biggest wildlife______(57)and home to hundreds of wild elephants and several leopards.
"There has been a lot of apparent evidence about dogs barking or birds migrating______(58)volcanic eruptions or earthquakes. But it has not been proven,"said Matthew van Lierop,an animal behavior______(59)at Johannesburg Zoo.
"There have been no______(60)studies because you can't really test it in a lab or field setting,"he told Reuters.Other authorities concurred with this______(61).
"Wildlife seem to be able to pick up certain______(62),especially birds... there are many reports of birds detecting impending disasters,"said Clive Walker,who has written several books on African wildlife.
Animals certainly______(63)on the known senses such as smell or hearing to avoid dan-ger such as predators.
The notion of an animal"sixth sense”-or______(64)other mythical power-is an endur-ing one which the evidence on Sri Lanka's ravaged coast is likely to add to.
The Romans saw owls______(65)omens of impending disaster and many ancient cul- tures viewed elephants as sacred animals endowed with special powers or attributes.
60._________
A.additional
B.specific
C.especial
D.exceptional
[单选题]列车进入电气化铁路区段,发现货车上有人爬乘时,要提醒他们上面有高压电,要( )慢慢爬下车,必要时应操纵隔离开关,使接触网停电后再使其下车。
A.跳跃式
B.直立式
C.随意式
D.俯卧式
[判断题]2.76 驾驶机动车遇有强浓雾、能见度过低、行车困难时,应开启危险报警闪光灯和雾灯,选择安全地点停车。
A.正确
B.错误
[不定项选择题]A.IgG
A.IgD
B.IgE
C.IgM
D.IgA
E.具有分泌片段的是
[单项选择]1岁-1.5岁儿童上臂围小于12.5cm,提示()
A. 肥胖症
B. 营养不良
C. 营养中等
D. 营养良好
E. 营养过剩
[单选题]麻醉药品盐酸二氢埃托啡
A.处方为一次用量,仅限于三级以上医院内使用
B.处方为一次用量,仅限于二级以上医院内使用
C.处方为一次用量,仅限于医疗机构内使用
D.处方为一日用量,仅限于二级以上医院内使用
E.处方为一日用量,仅限于医疗机构内使用
[简答题]PRD电涌保护器3P+N型,N极和P极上的内阻是否相同?
[多选题]压力容器可分为( )。
A.A、反应容器
B.B、分离容器
C.C、换热容器
D.D、贮运容器
[单项选择]胎儿呼吸窘迫综合征的患儿血浆中浓度明显降低的是().
A. 前清蛋白
B. 转铁蛋白
C. 结合珠蛋白
D. α1-抗胰蛋白酶
E. 低密度脂蛋白
[单选题]单相电能表相距的最小距离为(____)mm。
A.30
B.40
C.60
D.80
[判断题]直流电路中电容相当于开路。( )
A.正确
B.错误
[单项选择]对于阴虚火旺、潮热盗汗、小便短赤时最宜选用下列哪种药物()
A. 麦味地黄口服液
B. 知柏地黄丸
C. 杞菊地黄丸
D. 六味地黄丸
[单选题]团支部是共青团工作和活动的( )。( )
A.重要单位
B.基本单位
C.根本单位
D.基层单位
[判断题]银行汇票是出票银行签发的,由其在见票时按照出票金额无条件支付给收款人或者持票人的票据。( )。
[多选题]《变电验收管理规定》:参与验收人员在现场工作中应高度重视人身安全,针( )、含有毒气体设备、运行异常设备及其他高风险设备或环境等应开展安全风险分析,确认无风险或采取可靠的安全防护措施后方可开展工作,严防工作中发生人身伤害。
A.对带电设备
B.启停操作中的设备
C.瓷质设备
D.充油设备
[单选题]电网管理单位停电检修,应明确告知分布式电源用户( )
A.停送电时间
B.工作内容
C.工作地点
D.人员安排
[单项选择]第一万向节的被动叉与第二万向节的主动叉应在()平面内。
A. 任何
B. 同一
C. 不同
D. 交叉
[填空题]执行下列程序后
MOV AL,87
MOV CL,4
HOV AM,AL
AND AL,0FH
OR AL,30H
SHR AH, CL
OR AH,30H
上述程序段运行后,(AX)=______ 。
[判断题]管道防腐层破损处,金属部分与大地相短路,在漏点处形成电流回路,将产生的漏电信号向地面辐射。
A.正确
B.错误
[判断题] 甲烷传感器是指连续监测矿井环境气体中及抽放管道内甲烷浓度的装置,一般具有显示及声光报警功能。( )
A.正确
B.错误