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A、将IP地址解析为物理地址
B、将物理地址解析为IP地址
C、将主机名解析为IP地址
D、将解析IP地址为主机名
A.MAC头及逆向地址解析协议（RARP）的请求信息
B.MAC头、逆向地址解析协议（RARP）的头及一个数据分组
C.逆向地址解析协议（RARP）的头及MAC地址和IP地址
D.逆向地址解析协议（RARP）的头及ARP报尾
RARP协议的主要功能是()。
A、将IP地址解析为物理地址
B、将物理地址解析为IP地址
C、将主机域名解析为IP地址
D、将IP地址解析为主机域名
×【解析】法院的监督不仅仅包括了对行政单位的处罚行为，还有审查行为，处罚不是唯一的监督形式，监督不只通过处罚来实现。
参考答案：错误
×【解析】法律关系是指法律规范在调整人们行为过程中形成的权利义务关系。法律关系由法律关系主体、法律关系内容C权利义务）和法律关系客体三要素构成。法律关系是根据法律规范建立的一种社会关系，具有合法性。法律关系是体现意志性的特种社会关系。法律关系是特定法律关系主体之间的权利和义务关系。可见法律关系是一种社会关系，而不是思想关系。
出自《赫尔辛基宣言》的是（ ）参考答案及解析。
摘要:宜昌市2020届高三年级3月线上统一调研测试理综参考答案及解析物理参考答案及解析14.D15.C16.C17.A18.B19.AD20.BD21.AD22.(5分)⑴AD3分⑵平衡摩擦力时木板倾角过大2分23.（10分）⑵保护电压表2分⑶零2分⑷2.62分⑸2.01082分细铜丝材料不纯，其中掺杂有电阻率较大的其它金属2分24.（14分）解：⑴物块速度最大时，设绳对物块的拉力大小为F1,对物块有：F11mg①2分此时电动机功率为P12W,对电动机有：P1F1vm②2分4联立①②得：vmm/s2分7⑵当物体运动速度小于v10.5m/s时，绳子对物体的拉力为恒力，大小设为F.由P-v图像可知：FP1④v12分得：F4N物块从静止开始到达B点过程，做匀加速直线运动，设加速度大小为a1.F1mgma1⑤2分得：a10.5m/s2又由于：2a1sv120得：s0.25m25（18分）⑥2分2分 解：⑴设粒子到O点时速度大小为v1,从P到O点过程,有：1Eqlmv1202①6得：v1210m/s2分在磁场中对粒子有：qv1B得：R10.02mmv12R②2分⑵设粒子进入磁场后，在Ⅰ和Ⅱ磁场区域做圆周运动的半径相同设为r.当α取最大值时，粒子运动轨迹如图r由几何关系可知sin2③2分2r得：151分又因为90④得：752分要使从O点进入磁场的带电粒子仅在y轴右侧区域运动，不能超过75°.⑶设粒子运动至O点速度大小为v,粒子在电场中运动时间为t1，加速度大小为a，对粒子有：Eqmavat113
B.复方甘草片
C.含麻黄碱类复方制剂
D.含苯乙哌啶复方制剂
参考答案与解析
将IP地址解析为物理地址称为（）向地址解析。
正确答案:正
ARP协议的主要功能是（）。
- A、将IP地址解析为物理地址
- B、将物理地址解析为IP地址
- C、将主机名解析为IP地址
- D、将IP地址解析为主机名
正确答案:A
ARP协议的主要功能是（）。
- A、将IP地址解析为物理地址
- B、将物理地址解析为IP地址
- C、将主机域名解析为IP地址
- D、将IP地址解析为主机域名
正确答案:A
简述XML解析器的种类及解析步骤。
正确答案: XML的解析器分成两大类：综合的解析器和专用的解析器。综合的解析器又分为：基于DOM的解析器和基于事件的解析器。
基于DOM的解析器解析XML文件的一般步骤如下：
（1）扫描命令行得到XML文件名；
（2）创建一个解析器对象；
（3）告诉解析器解析命令行中给定的XML文件；
（4）遍历DOM结果树向标准输出打印；
基于SAX的解析器解析XML文件的一般步骤如下：
（1）创建一个事件处理程序。
（2）创建SAX解析器。
（3）向解析器分配事件处理程序。
（4）解析文档，同时向事件处理程序发送每个事件。
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- 问答题Passage 2 They were, by far, the largest and most distant objects that scientists had ever detected: a strip of enormous cosmic clouds some 15 billion light years from earth. (1) But even more important, it was the farthest that scientists had been able to look into the past, for what they were seeing were the patterns and structures that existed 15 billion years ago. That was just about the moment that the universe was born. What the researchers found was at once both amazing and expected; the US National Aeronautics and Space Administration’s Cosmic Background Explorer satellite—Cobe—had discovered landmark evidence that the universe did in fact begin with the primeval explosion that has become known as the Big Bang (the theory that the universe originated in an explosion from a single mass of energy). (2) The existence of the giant clouds was virtually required for the Big Bang, first put forward in the 1920s, to maintain its reign as the dominant explanation of the cosmos. According the theory, the universe burst into being as a submicroscopic, unimaginable dense knot of pure energy that flew outward in all directions, emitting radiation as it went, condensing into particles and then into atoms of gas. Over billions of years, the gas was compressed by gravity into galaxies, stars, plants and eventually, even humans. Cobe is designed to see just the biggest structures, but astronomers would like to see much smaller hot spots as well, the seeds of local objects like clusters and superclusters of galaxies. They shouldn’t have long to wait. (3) Astrophysicists working with ground based detectors at the South Pole and balloon borne instruments are closing in on such structures, and may report their findings soon. (4) If the small hot spots look as expected, that will be a triumph for yet another scientific idea, a refinement of the Big Bang called the inflationary universe theory. Inflation says that very early on, the universe expanded in size by more than a trillion fold in much less than a second, propelled by a sort of antigravity. (5) Odd though it sounds, cosmic inflation is a scientifically plausible consequence of some respected ideas in elementary particle physics, and many astrophysicists have been convinced for the better part of a decade that it is true.
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