数据压缩编码方法可以分为无损压缩和有损压缩，其中（）属于无损压缩。无损压缩编码的特点是（）。
无损压缩编码的特点是（）。| Questions
21-25 A naked mole rat colony, like a beehive, wasp’s nest, or termite mound, is ruled by its queen, or reproducing female. Other adult female mole rats neither ovulate nor breed. The queen is the largest member of the colony, and she maintains her breeding status through a mixture of behavioral and, presumably, chemical control. Queens have been long-lived in captivity, and when they die or are removed from a colony one sees violent fighting for breeding status among the larger remaining females, leading to a takeover by a new queen. Eusocial insect societies have rigid caste systems, each insect’s role being defined by its behavior, body shape, and physiology. In naked mole rat societies, on the other hand, differences in behavior are related primarily to reproductive status (reproduction being limited to the quee A. Naked mole rat colonies exhibit social organization based on a rigid caste system. B. Behavior in naked mole rat colonies may well be a close vertebrate analogue to behavior in eusocial insect societies. C. The mating habits of naked mole rats differ from those of any other vertebrate species. D. Naked mole rat colonies are the only known examples of cooperatively breeding vertebrate societies. [单选题]带煤气卡、拆盲板,若需要照明,所使用的投光器,距离在( )。
A.5米以外 B.10米以外 C.15米以外 [单选题]1.51机动车号牌灭失、丢失或者损毁的，机动车所有人向登记地车辆管理所申请补领、换领时，车辆管理所应当自受理之日_____起内补发、换发号牌，
A.一日 B.三日 C.十五日 D.三十日 [多选题]电压互感器的二次回路通电试验时，为防止由二次侧向一次侧反充电，应将（）。
A.二次回路短路接地 B.二次回路断开 C.电压互感器高压熔断器取下 D.电压互感器一次刀闸断开 E./ F./ [简答题]爱国统一战线的十六字方针是什么?
[单选题]采用石灰沉淀软化处理时,常加入( )混凝剂同时进行混凝处理。
A.铝盐 B.铁盐 C.聚合铝 D.铁铝盐 [单选题]解读如下航行通告
(C0623/14 NOTAMN
Q)ZSHA/QSCCF/IV/BO/E/000/999/
A)ZSHA B)1406300549 C)PERM
E)SECONDARY FREQUENCY FOR SHANGHAI ACC CHANGED AS FOLLOWS:
WEST AND SOUTH SECTOR:127.650MHZ,
EAST AND NORTH SECTOR:123.700MHZ.)
A.C系列14年第623号新航行通告：上海飞行情报区，自14年6月30日5时49分起至永久，上海区域管制中心备用频率修改如下：西南扇区为127.65兆赫，东北扇区123.7兆赫。 B.C系列14年第623号新航行通告：上海飞行情报区，自14年6月30日5时49分起至永久，上海区域管制中心主用频率修改如下：西南扇区为127.65兆赫，东北扇区123.7兆赫。 C.D系列14年第623号新航行通告：上海飞行情报区，自14年6月30日5时49分起至永久，上海区域管制中心管制频率修改如下：西南扇区为127.65兆赫，东北扇区123.7兆赫。 D.C系列14年第623号新航行通告：北京飞行情报区，自14年6月30日5时49分起至永久，上海区域管制中心备用频率修改如下：西南扇区为127.65兆赫，东北扇区123.7兆赫。 [单选题]配电带电作业现场，进行直接接触20kV及以下电压等级带电设备的作业时，使用前应对绝缘防护用具进行（ ）。作业过程中禁止摘下绝缘防护用具。
A. 外观检查 B. 预防性试验 C.现场试验 D.充气试验 [判断题]事故后果和影响范围为标准而进行的级别划分。可分为一般事故隐患、较大事故隐患和重大事故隐患。
A.正确 B.错误 [单项选择]Would you like to spend all evening reading a lovely story with beautiful illustrations and make $35,000 at the same time Millions of people all over the world tried to do just that. Only one succeeded. The book is called Masquerade, and was written by British painter Kit Williams. Within its pages are clues to the location of a golden jewel, and whoever figured out the clues could find and keep the treasure.
Some years ago, Williams was asked to write a children’s book. Wanting to do something no one else had done before, he decided to bury a golden treasure and tell where it was in the book. He began painting without a clear idea of what the story would be about, where he would bury the treasure, or even what the treasure would be. As he painted, he decided that in the story a hare, or rabbit, would travel through earth, air, fire and water to deliver a gift from the moon to the sun. After three years, he finished the paintings and then wrote the story. The treasure became A. the clues in Masquerade are easy to decipher B. Kit Williams has many artistic talents C. many people bury treasures in Britain D. Kit Williams said he would pay $35,000 to whoever found the treasure [简答题]在限速地段调车作业时，遇有小于 （ ）km/h的限速（线路允许速度除外）地段时，车站值班员应立即将限速地段、限速时间、限速值通知调车领导人。
[填空题]机车车辆等技术设备须有铁路总公司（ ）的标记。隐蔽的建(构)筑物及设备须在地面上设有标志。
[判断题]根据我国《保险法》的规定，保险公司及其工作人员在保险业务活动中不得有欺骗投保人被保险人或者受益人行为。（ ）
[判断题]检验玉米油酸价时，所需成品油试样应称取20g。
A.正确 B.错误 [填空题]程序运行时，如果其程序长度超过可用存储空间，采用（）技术来解决。
[名词解释]增生性玻璃体视网膜病变C3级
[判断题]车站、列车应运用广播、乘客信息服务系统等设施告知运营服务信息和安全信息；自动广播发生故障时，应按相关规定进行人工广播。（ ）
A.正确 B.错误 [判断题]物体打击是建筑业死亡事故的主要起因.
[单选题]自 2016年 4月 8日起,跨境电子商务零售进口商品的个人年度交易限值为人民币( )元。
A.10000 B.20000 C.30000 D.50000 [单选题]病毒性肝炎的基本病变是以
A.肝细胞变性、坏死为主 B.炎细胞浸润为主 C.肝细胞再生为主 D.纤维组织增生为主 E.小胆管增生为主 [单选题]嗜碱性点彩红细胞常作为哪种疾病诊断的重要指标之一:( )
A.酒精中毒 B.多发性骨髓瘤 C.铅中毒 D.钩虫病 E.血吸虫病 [单项选择]杨慎的诗句“天气常如二三月，花枝不断四时春”概括的是风景名胜（）四季如春的特点。
A. 大理 B. 滇海 C. 洱海 D. 苍山 [单选题]只有（ ）的材料才能进行矫正。
A.硬度较高 B.塑性较好 C.脆性较大 D.韧性较强 [填空题]He narrowly escaped (catch)（）
[名词解释]扩充内存
[单选题]STM-1帧频8kHz,即每秒传送8000帧,一帧的周期为( )μs。
A.125 B.225 C.325 D.425 [多选题]下列事件，发生在第一个五年计划期间的是( )。
A.制定了第一部社会主义类型的宪法 B.进行了三大改造 C.掀起了“大跃进”运动 D.召开了中共八大 [多选题]风险的特征有哪些( )
A.客观性 B.损失性 C.不确定性 D.普遍性 E.社会性 [判断题]施工作业按类别分为A1、A2、A3、B1、B2、C1，申报人选择后申报相应计划。
A.正确 B.错误 [判断题]CENTUMCS3000系统的现场控制单元FCU中,总线接口卡执行控制计算并监视CPU及供电单元。( )
A.正确 B.错误 我来回答: 提交
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