热门试题:
[填空题]We don’t see or hear them, but every day they quietly go about their work--filtering and cleansing our rivers and streams. And if we don’t act soon, they’ll disappear from the workforce just when we need them most. I am talking about pigtoes, monkeyface, pink heelsplitter and purple wartyback--freshwater mussels (贻贝) with funny names that belie the seriousness of their labors. (41) .
One mussel alone can cleanse as much as a gallon of water per hour. Add up the work of a whole mussel community, and you get a virtual water treatment plant. According to Ethan Nedeau, an expert on the freshwater mussels of New England, even half the population of mussels at work in a one-half mile segment of New Hampshire’s Ashuelot River can help cleanse more than 11.2 million gallons of water a day--roughly the quantity of household water used by 112 000 people.
(42) . Today 69 percent of US freshwater mussel species are to some degree at risk of extinction or already extin
[单选题]间接调制：不直接调制光源，而是在光源的输出通路上外加调制器对光波进行调制，此调制器实际起到一个（ ）的作用。
A.放大
B.衰减
C.开关
D.调整
[简答题]计算题：一条380v线路，导线为LJ-35型，电阻为0.92Ω/km，电抗为0.352Ω/km，功率因数为0.8，输送平均有功功率为30kw，线路长度为400m。试求线路电压损失率ΔU%。
[单选题]11.右心室后负荷增高的主要原因之—是
A.周围小动脉收缩
B.三尖瓣关闭不全
C.输液过多或过快
D.肺动脉高压
E.房间隔缺损
[多选题]远程集中授权是指柜面经理通过远程集中授权系统，将临柜须授权业务的___和___、___等实物照片等影像资料传输至授权中心，由授权中心的授权主管远程完成授权的临柜事中审核模式。
A.交易画面
B.业务凭证
C.录音录像
D.客户证件
[多选题]按照省厅《关于贯彻鲁政办发〔2016〕10号文件切实做好无户口人员登记户口工作的通知》要求，公 安派出所在受理无户口人员落户时要形成综合调查材料，其中综合调查材料应包括以下哪些内容（ ）。
A.人像核查比对、与打拐失踪、前科人员核查对比情况
B.初步确定的无户口姓名、性别、出生日期、拟登记户口住址等
C.户籍档案、人口信息数据查询情况
D.无户口人员来源调查及未登记户口的主要原因
E.在一定范围公示以及调查走访的情况等
[判断题]主要在编组站场完成车辆转线以及货场取送车辆等各项调车作业，也担当短途的小运转任务的是小运转机车。（ ）
A.正确
B.错误
[单项选择]某女，38岁。慢性腹泻已5年有余。大便溏泻，日2～3次，纳呆，腹胀，四肢乏力，消瘦，舌淡苔白，脉细缓。临床诊断为（）
A. 脾阳虚证
B. 脾气虚证
C. 大肠虚寒证
D. 寒湿困脾证
E. 以上都不是
[多选题]指挥干部和消防员骨干具备( )的能力。
A.指挥
B.训练
C.教育
D.管理部属
[单项选择]Elizabeth Taylor was born in England in 1932. She was a very beautiful child, with black hair and bluish-purple eyes.
In 1939, she and her family moved to America, where film makers soon noticed her beauty. She became a child star at the age of nine, and appeared in the film "Lassie" and "National Velvet". Elizabeth Taylor is one of the few child film stars who have been quite successful when they grow up.
She has made many well-known films all her life: one of them is "Cat on a Hot Tin Roof" in 1958. Her personal life has not been as successful as her films. She has got married eight times.
She has often been ill with back problems and has had many operations. In 1981, after she left her second husband, she was in such low spirits that she turned to food, drink and drugs (毒品) for comfort. For the first time in her life, her beauty left her and she put on a lot of weight.
However, in 1983, she went to stay in a hospital, and there she worked hard to give up
A. a-c-d-b
B. b-d-c-a
C. a-b-d-c
[单选题]减压蒸发不具有的优点是( )。
A.减少传热面积
B.可蒸发不耐高温的溶液
C.提高热能利用率
D.减少基建费和操作费
[单项选择]男，46岁，无痛性肉眼血尿1个月。查体无异常。尿中找到瘤细胞。IVP：右肾盂有一小的充盈缺损影。膀胱镜检查见右输尿管口喷血。最可靠的诊断是（）
A. 肾癌
B. 肾盂癌
C. 肾错构瘤
D. 输尿管癌
E. 肾母细胞癌
[单选题]1953年过渡时期的总路线,就其建设任务而言,所体现出的基本特征是( )。
A.变革生产关系与上层建筑的有机统一
B.变革生产关系与发展社会生产力的有机统一
C.发展科技教育与独立外交的有机统一
D.经济建设与法制建设的有机统一
[单选题] 年12月，十届全国人大常委会第十九次会议高票通过决定，自2006年1月1日起废止（ ），这意味着在中国延续两千多年的农业税已经成为历史。
A.《农业税征收管理条例》
B.《农业税条例》
C.《农业税征收办法规定》
D.《关于对农林特产收入征收农业税的若干规定》
[多选题]倒闸操作的设备应具有明显的标志,包括()、切换位置的指示及设备相色等
A.名称
B.编号
C.分合指示
D.旋转方向
[判断题]依据《中国南方电网有限责任公司电力安全工作规程机巡、新能源部分（试行）》（安监〔2018〕48号）第10.3.4条规定：光伏设备作业应配置用于覆盖光伏组件的遮光布。
A.正确
B.错误
[单项选择]对于重新包装应当有详细的记录，下列说法正确的是（）。
A. 因为是个别单支的包装，所以重新包装的记录应详细记在车间的外围记录上，便于查找
B. 如果只是重新贴外箱签，不需要贴瓶签、装盒等包装工序，则不需要填写重新包装记录，在印制外箱签的记录上填写相关信息即可
C. 因为重新包装是之前已经包装过的产品，所以不需要重新下达指令单，QA对照之前的包装材料的信息复核确认即可
D. 重新包装的记录应与该批次的包装记录一起存档
[多项选择]下列哪些特性与福莫特罗适中的亲水性相关（）
A. 足量存在于细胞外的水样层
B. 快速与细胞表面受体结合
C. 迅速发挥支气管扩张作用
D. 缓慢释放，激活受体
E. 延长作用时间
[判断题]在大量爆破的起爆网路设计中采用复式电爆网路时准爆的可靠性比较大。
A.正确
B.错误
[简答题]当发现光通道损耗增大或后向散射信号曲线上有≥__________dB台阶时，应适当增加检查次数，组织技术人员分析，找出原因，及时采取改善措施。
[判断题]对于加工、运输、储存可燃性气体的设备检修,必须经置换分析合格后才能进行检修。( )
A.正确
B.错误
[多选题]通行费补费分为( )两种形式进行,所有需补费 ETC 车辆的折扣和加收金额可按照地方政府批复的相关法律法规执行。
A.报警
B.讨要
C.补交
D.追缴
[多选题]以下哪些是EPC中QoS参数?
A.CQI
B.ARP
C.GBR
D.MBR
[单项选择]
Traffic is a perennial problem in Hongkong. Over the years many suggestions have been (1) to ease transport difficulties. These include from constructing wider roads and an underground railway (2) to staggering hours for schools to open and close. One official report pressed (3) for working hours to be spaced out to (4) congestion at (5) periods. In England and other countries this system is called staggering working hours because many business centers use it. It is (6) that greater working (7) can be achieved, employees are happier because they can arrange (8) personal working hours, buses and trains can be dispatched at suitable (9) , and so on. The idea of (10) working days follows on from staggering hours.
（9）处填（）
A. intervals
B. sessions
C. periods
D. intermission
[简答题]下面是关于人与自然关系的一组材料，请回答：
怎样认识2010年的“异常气候”
[单选题]ACARS管理组件如果软件装载失效：
A. HW FAIL灯亮
B.LOAD SW灯亮
C.XFER COMP灯亮
D.XFER FAIL灯亮
[判断题]根据群众举报,某派出所民警将正在斗殴的甲乙二人抓获,经检查,甲乙二人随身携带毒品、刀具等违禁品,派出所果断进行没收。
A.正确
B.错误
[单选题] 升压期间对安全阀进行手动排放试验,应在压力升到安全阀整定压力的( )单选
A. 1/4
B. 1/2
C. 3/4
D. 1
[填空题]皂化液由皂化油和软水充分混合，浓度是（）。
[单选题]( )体质者宜欣赏激进、振奋的音乐,如二胡《赛马》等。
A.湿热质
B.气郁质
C.气虚质
D.痰湿质
[多项选择]A县公安局的侦查人员到孙某抢劫杀人的现场进行侦查，在现场，侦查人员如何( )
A. 应进行勘验
B. 应进行检查
C. 应制作笔录
D. 可以聘请或指派非公安机关的人员进行勘验
[单选题]行政复议期间涉及专门事项需要鉴定的,当事人可以自行委托鉴定机构鉴定,也可以申请行政复议机构委托鉴定机构鉴定,鉴定费用由( )承担。
A.被申请人
B.行政复议机关
C.当事人
D.当事人和被申请人共同
[判断题]单选题：库房作业区域不得出现漏雨( )
A.正确
B.错误
[单选题]A-B-B-A-003 3 2 1
线路两旁堆放货物,距钢轨头部外侧不得小于( )。
A.1m
B.1.5m
C.2m
D.2.5m
