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2022年职业考证-通信工程师-初级通信工程师考试全真模拟易错、难点剖析AB卷(带答案)试题号：28

2022年职业考证-通信工程师-初级通信工程师考试全真模拟易错、难点剖析AB 卷（带答案）一.综合题(共15题)1.单选题（）是运用频分复用和离散多音频的技术，将信号分割为多重信道。

问题1选项A.ADSLB.HFCC.VDSLD.HDSL【答案】A【解析】ADSL 采用频分复用（FDM ）技术和离散多音频（DMT ）调制技术。

DSL 技术采用频分复用技术把普通的电话线分成了电话、上行和下行三个相对独立的信道，从而避免了相互之间的干扰。

用户可以边打电话边上网，不用担心上网速率和通话质量下降的情况。

对于原先的电话业务不受任何影响。

由于铜线电缆的传输特性和线缆的工作条件有密切的关系，具体表现为：它的衰减受线路的长度、线径、桥接等等因素的影响，而且它的噪声也和频率有很大的关系，由此就造成铜线回路的通信容量是随着这些条件而改变的。

而DMT 就是充分利用数字信号处理技术，根据回路特性，自适应的去调整传输参数，使误码和串音等达到最小化水平，做到任何子信道的通信容量的最大化。

利用DMT 技术可以实现带宽的按需分配。

故本题选A 。

Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE 2. 单选题 ITU-T 的（）系列标准是可视电话系统的标准。

问题1选项 A.H.320B.H.321C.H.323D.H.324【答案】D【解析】图像通信的应用系统主要有可视电话、会议电视、远程教育/远程医疗、图文电视、视频点播、数字高清晰度电视、流媒体等。

可视电话是指在普通电话功能的基础上，使通话双方能够看到对方活动图像的通信方式，其通信过程同时包含语音信号和图像信号。

ITU-T 的H.324系列标准是可视电话系统的标准。

可视电话系统分为：独立式、机顶盒型和基于个人计算机的可视电话终端。

故本题选D 。

3. 单选题阅读下面的短文，回答1～4题 [5G stands for fifth generation, meaning the next step in the progression of technology to replace the current 4G system ．4G was the replacement for 3G, which came after 2G, and so on ． Earlier "G" systems were designed to improve mobile communication operations ．Each new technology brought major improvements in speed and greatly increased network capacity ． The new 5G system promises more of the same ．It is expected to permit more users to do more things -- at a faster rate ． Wireless industry groups say 5G will help fuel future "smart cities" by connecting sensor networks ． Such networks will be able to control vehicle traffic and quickly identify streetlight outages ． 5G is also expected to connect self-driving cars and support new technologies involving virtual reality ． Higher 5G speeds could also permit doctors to commonly perform remote medical operations ． Factories and businesses could use 5G technology to increase automation and improve the collection of information ．] （3）Compared with the maximum transmission rate of 4G network, the rate of 5G is ________．问题1选项 A.lowerB.the sameC.higherD.unable to judge【答案】C【解析】5G代表第五代，这意味着下一代先进的技术将取代目前的4G系统。

冀教版英语九年级全册阅读理解专项练习题

冀教版英语九年级全册阅读理解专项练习题AFive years is a rather short time in the long history of China. But for digital development, a lot of changes have taken place in many aspects of our life.Nowadays, it’s normal for people to communicate on WeChat, the most popular mo bile social media platform in China. People take less cash with them because most of the stores and hotels accept WeChat Pay and Alipay.In China, holding a mobile phone means having the world in your hands. You can shop, travel, communicate, have fun by using a mobile phone, and all of these tasks can be completed with a few finger taps. Without mobile phones, life would seem dull.By the end of 2016, there were 695 million mobile phone users in China, an increase of 12 percent on year-on-year basis. The average mobile Internet data traffic reached 172 megabytes per month, which was far more than the global average.At the two sessions , Premier Li Keqiang pointed out that in 2017 the speed of mobile network would be increased and the cost would be reduced greatly. Mobile rates for domestic roaming and long distance calls would be cancelled .Meanwhile, the TD-LTE 4G communication technology developed mainly in China has been accepted and widely used across the world.In 2020, China’s 5G network is in service. It helps China’s mobile telecommunication overtake the international community’s.1. People take less cash with them because ________.A. cash isn’t useful any moreB. it’s easier to use online pay by mobile phoneC. many stores refuse cashD. online pay is used in all stores and hotels2. By using a mobile phone, you can do many things EXCEPT ________.A. ordering something to eatB. chatting with friendsC. playing gamesD. cooking something delicious3. According to the passage, we know that ________.A. The cost of using mobile phones is lowerB. the speed of mobile network slowed downC. Chinese users will make phone calls for free in the futureD. the using of mobile phones was cancelled4 Which one is true according to the passage?A. People can’t live without mobile phones.B. The speed of mobile network and the cost would be increased greatly.C. The TD—LTE 4G communication technology is only used in China.D. China’s 5G network has already been in service.BAna is a 13-year-old swimmer who comes from Australia. Her dream is to swim for Australia in the next Olympics. She swims in both long and short races and she has already come first in many important competitions.As well as spending many hours in the pool, Ana also makes time for studying and for friends.“I have lots of friends who swim and we are very close. It’s much easier to have friends who are swimmers because they also have to get up early to practice like me and they understand this kind of life. But I’m not different from other people my age. “In my free time I also enjoy going to the movies and parties. There are also some good things about swimming for a club. I travel a lot for competitions and I’ve made friends with swimmers from other Australian cities and from ot her parts of the world.”Ana is becoming well known in Australia and she believes it is important to get more young people interested in swimming.1. What is Ana’s dream?A To win a long race. B. To swim in the next Olympics.C. To spend less time in the pool.D. To attend an Australian competition.2. Why does Ana have to get up early?A. To make friends.B. To practice swimming.C. To study for her tests.D. To take part in club activities.3. Why does Ana say “I’ m not different from other people my age”?A. She is becoming well known in Australia.B. She is interested in getting more young people to swim.C. She likes going to the movies and parties besides swimming.D. She enjoys travelling a lot and making friends like other people.CD uring the cold winter, we usually catch a cold, have a fever or a cough. There are some common and great ways that you can foll ow to keep yourself away from these probl ems.Never l eave your house without warm clothes. It might be sunny in the morning or daytime but it is getting cold er as the sun sets. So make sure you have a sweater or a coat for the cold er night.Don’t walk without shoes in your house. We have a habit of staying bare feet at home. The cold passes from feet to head in no time and that is why we need to wear shoes to stay away from the cold.Drinking ginger tea helps your body get warm during the colder days. Drinking green tea keeps your body healthy and solves many health probl ems. Green tea is even good for those who want to get thinner.Still if you catch a cold, d o not l et the cold build up in your body. It’s better to take quick action against the cold through proper exercise. Do some warm-up exercise in the morning or rub （摩擦）your hands quickly. Jogging（慢跑）or yoga also helps your body become warm to stay away from the cold and fever.Follow these simpl e ways, and you’ll enjoy the winter greatly.1．During the cold winter, you may NOT ________ according to Paragraph 1.A．catch a cold B．have a cough C．have a headache D．have a fever 2．The und erlined word “bare”means “________”in Chinese.A．基本的B．赤裸的C．空洞的D．干净的3．How can you stay away from the cold in winter?A．By wearing beautiful clothes. B．By eating well.C．By walking outsid e often. D．By d oing exercise properly. 4．Which of the following is TRUE according to the passage?A．You need to wear a coat for the colder night when l eaving your house.B．We may drink green tea to get fatter.C．You can make your body cold by jogging or doing yoga.D．We should d o some exercise in the evening when catching a cold.5．What’s the main idea of the passage?A．How to l ose weight in the cold winter. B．How to have a good eating habit. C．What to d o to stay away from the cold and fever.D．When and where to keep warm in the cold winter.。

【教学课件】Unit+1+第2课时+精品课件(五下)

03
04 eat dinner
Presentation
Look中and learn
When do you do morning exercises?
I do morning exercises every day.
7:00 a.m. At 7 o’clock.
Presentation
Look中and learn
Time
7:00 a.m.
7:30 a.m. 8:40 a.m. – 4:00 p.m.
6:00 p.m.
Practice
Good中to know
What are the differences? Why?
Activities do morning exercises
eat breakfast have classes eat dinner play sports
_______ _______ _______ _______
… gets up at 6 o’clock …
Production
Thin中k and say
Activities do morning exercises
eat breakfast have classes eat dinner play sports
Presentation
Listen 中and follow
have … class
When do you do morning exercises?
At 7 o’clock.
Practice
Listen an中d choose
( A ) 1. When does Pedro do morning exercises?

ZXDSL_9806H_技术手册

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第 2 章结构和原理....................................................................................................................................2-1 2.1 功能模块 .........................................................................................................................................2-1 2.2 系统原理 .........................................................................................................................................2-2 2.3 软件结构 .........................................................................................................................................2-3 2.3.1 宽带网管子系统 ...................................................................................................................2-4 2.3.2 宽带协议子系统 ...................................................................................................................2-4 2.3.3 宽带业务子系统 ...................................................................................................................2-4 2.3.4 宽带承载子系统 ...................................................................................................................2-5 2.3.5 运行支撑子系统 ...................................................................................................................2-5 2.3.6 窄带承载子系统 ...................................................................................................................2-5 2.3.7 窄带数据库管理子系统 .......................................................................................................2-5 2.3.8 窄带协议子系统 ...................................................................................................................2-5 2.3.9 窄带业务子系统 ...................................................................................................................2-5 2.4 硬件结构 .........................................................................................................................................2-6 2.4.1 插箱 .......................................................................................................................................2-6 2.4.2 单板 .......................................................................................................................................2-7 2.4.3 背板 .....................................................................................................................................2-13 2.4.4 风扇 .....................................................................................................................................2-13 2.4.5 单板配置 .............................................................................................................................2-14

李辉老师高考英语2020七选五押题讲义

【七选五基本方法】Step1：先翻选项{方法}i.看懂整句，锁定核心ii.关注实词，确认重点&动词）iii.&数字）iv.v.vi.vii.{i.ii.iii.iv.v.出现N●●所谓理解，就是在你脑子里准确重复对方脑子里的东西；所谓表达，就是想办法让对方脑子里重复你闹中的东西！1.阅读：正确选项和出题句同义替换，本质上就是重复！2.七选五：正确选项和上下句话题一致，本质上就是重复！3.完型填空中重复更多——(1)原词复现(2)同义词复现(3)反义词复现(4)同畴词复现(5)代词复现(6)含义复现之局部话题一致(7)含义复现之下文解释(8)含义复现之靠主题做题4.语法/改错/作文：你要用老外的方式说这句话，本质上就是重复！aPsychology and_16G话题try(tosomelooked atfrom the age of18to91and divided them into different groups based on the age. Again musicians were significantly better at picking out speech against noise in all the age ranges._18F话题一致_Benjamin Zendel,(who was part)(of the research team), said,"We found(that being a musician may contribute)(to better hearing)(in old age),probably(due to musicians)(using their hearing systems)(at a high level) (on a regular basis).This advantage widened considerably for musicians as they gotolder when compared to similar-aged non-musicians."This study suggests(that musicians might be more able)(to deal)(with the consequences)(of hearing loss)._19D话题一致_(As Dr.Ralph Holme said),all people-(including musicians)-should try(to prevent hearing damage)(in the first place).It's necessary(for everyone)(who plays a musical instrument)(or listens)(to loud music)(to wear hearing protection)._20C代词指代_A.B.PreviousC.That can风险D.Still,it朵保护=>E.TheyF.The(in hearingG.It(who●●Is itconsider(to theThrough learning,we know how to think,how to memorize,how to ask questions and even how to interact with others.(According to a study),(while we are learning), the brain creates neural（神经）pathways(that make us smarter)._17E话题一致_ The more we learn,the more new neural pathways develop(in our brains).(When it comes to learning),it doesn't mean(we must load ourselves)(with lots of knowledge).(What we need)(to do)is just learn something(we like)(day inand day out)._18B话题一致_Everyone learns(from bottom)(to up).If we have an interest to learn,that desire will naturally push us to move forward.(As we feel worn out)(from learning),don't be discouraged._19F话题一致_ An old saying goes,"Birds(of a feather)fly together."(As long as we have partners) (to learn all together),our learning excitement will come alive again.On the contrary, if we don't learn,and choose to distance ourselves from others,we might be getting dumb,and slow;eventually,we lose energy,and life passion.Instead of being bored,helps usvalue and A.B.C.D.E.=>F.G.学习=>1.2.3.4.(2)含有代词(3)含有逻辑词(4)其他小技巧：如果段首句设空，请先做段落中间的题目，再回过头来做首句！Color is fundamental in home design--something you’ll always have in every room.A grasp of how to manage color in your spaces is one of the first steps to creating rooms you’ll love to live in.Do you want a room that’s full of life?Professional?Or are you just looking for a place to relax after a long day?__36B话题一致__,color is the key (to making a room)(feel the way)(you want it)(to feel).E.It’s not really a good idea(to use too many small color pieces)小颜色多了不好F.So it pays(to be sure),(because you want)(to get it right)(the first time).有回报、第一次就搞对G.Color choices(in this range)are a step up(from the small ones)(in two major ways).两个方式【学渣专用七选五做题“方法”】Step1：看每个选项，删掉相同单词Step2：找到每个选项的“特征单词”（名词&动词）“特征，Most people__71B__It’sa result,This isfeel toonotmakingfurther.phobiaand stopDealing with social phobia takes patience,courage to face fears and the willingness to practice.__73E__Therapists（治疗师）can help people create a plan for facing social fears and build the skills and confidence to overcome it.And family or friends are especially important for them.__74G__Friends and family can encourage them to pick a small goal to aim for,remind them to go for it,and be there when they might feel discouraged.Good friends and family are there tocelebrate each small success along the way.Little by little,someone who decides to deal with extreme shyness can learn to be more comfortable.__75F__As shyness and fears begin to melt, confidence and positive feelings build.Pretty soon,the person is thinking less about what might feel uncomfortable and more about what might be fun.A.Friends can overcome their fears.B.But for some,the anxiety can be extreme.C.They are not able to make eye contact with classmates.D.Social phobia makes people lonely or disappointed over missed opportunities.E.It also takes a commitment to go forward rather than back away when feeling shy.F.Each small step forward helps build enough confidence to take the next small step.G.The support from those key people helps them gather the courage to try something new.Community ServiceNowadays high schools are faced with a very controversial issue whether or not community service hours are needed to graduate.High schools are arguing that40hours of community service are needed to graduate,but many upset students are voicing protests(反对)to this demand.Supporters of the community service project argue that while high school students are participating in community service,they will become better aware of what the real world is like.Students will learn valuable life lesson by doing community service.___71D___They feel that if high school students are forced to do community service they will begin to see it as a punishment and as something that they have to do because it is required instead of something that they want to do. Students will in the future look back at the community service projects t hat they were forced to do t hroughout high school._72D_Another idea that the protesters give about this community serviceissue is time restriction.When a student goes to school full time,he is involved in after-class activities and also works._73G_Supporters argue back that high school students only need to fulfill40hours of community service throughout4years.If students well manage their time and start the community service in their first year in high school, all they need to do is an hour every other week.___74B__The protesters argue that high school students do not have their driver’s license,so how are they expected to get to their community service site when their parents or friends are at work or just too busy to give them a ride.___75F__.The supporters argue that students can find community service projects close to home or if they live in the country find another student to car pool with.In my opinion,community service is a wonderful thing that everyone should be required to do at some point in their life,but are high school students mature and responsible enough to take on community service projects at this stage in their life?A.Protesters have struck back with a very solid argument.B.A final controversial issue that appears is transportation.C.Students will feel good about themselves for helping others in need.D.They will continue to carry a negative attitude towards community service for their lifetime.E.Both sides have solid arguments about why community service should or should not be forced upon students.F.Unless the school offers a means of transportation for the students there really is no solution to this problem.G.The time that is needed to participate in a community service project may place quite a burden on the student.。

人教版高中英语选择性必修第三册精品课件 Unit 1 ART 写作指导 (3)

The Art Exhibition ____i_s____ __l_o_c_at_e_d__ ____i_n____ the centre of our city. ③艺术中心展出各种艺术展品。(there be句式) There are various art exhibits ___o_n_____ __d_i_s_p_la_y__ in the art centre.
You can even appreciate great works of paper-cutting,clay art and other local art forms, ___w_h_i_c_h__ ____ar_e____ _t_ra_d_i_ti_o_n_a_l _C__h_in_e_s_e__ ___a_r_t ____ ___f_o_rm__s__ ___p_o_p_u_la_r_ ____a_l_l ___ ___o_v_e_r ___ ___C_h_i_n_a__ .
【审题谋篇】
体裁通知人称第二、三人称时态一般现在时、一般将来时话题参观艺术展
引入话题:说明要进行的活动框架介绍细节:集合的时间、地点、出行方式以及展览的内容和意义
提出要求:……
【遣词造句】 1.词汇 ①参观 pay a visit to/visit ②位于 be located in ③欣赏 appreciate ④传统的 traditional
2.句式 (1)要点翻译 ①我们学校将组织交换生参观艺术展览。 Our school is going to organize the exchange students ____t_o____ ___p_a_y____ ____a_____ ___v_i_si_t___ ____t_o____ the Art Exhibition. ②艺术展位于我们的市中心。

北京大兴区2024届中考一模英语试题含答案

北京大兴区2024届中考一模英语试题含答案注意事项：1．答卷前，考生务必将自己的姓名、准考证号、考场号和座位号填写在试题卷和答题卡上。

用2B铅笔将试卷类型（B）填涂在答题卡相应位置上。

将条形码粘贴在答题卡右上角"条形码粘贴处"。

2．作答选择题时，选出每小题答案后，用2B铅笔把答题卡上对应题目选项的答案信息点涂黑；如需改动，用橡皮擦干净后，再选涂其他答案。

答案不能答在试题卷上。

3．非选择题必须用黑色字迹的钢笔或签字笔作答，答案必须写在答题卡各题目指定区域内相应位置上；如需改动，先划掉原来的答案，然后再写上新答案；不准使用铅笔和涂改液。

不按以上要求作答无效。

4．考生必须保证答题卡的整洁。

考试结束后，请将本试卷和答题卡一并交回。

Ⅰ. 单项选择1、The result is ________ worse than we thought!A．more B．even C．great D．much more2、Don’t fear difficulties and failure(失败). Remember: .A．No one is wise at all times.B．A kite rises against the wind rather than with it.C．Don’t cross your bridges before you come to them.D．Y ou can lead a horse to water, but you can’t make it drink.3、Be confident, everyone. We _______ finish the difficult task on time without other’s he lp.A．can B．need C．must D．should4、Mike and Ted are twins. ______ are from Australia.A．We B．You C．They D．Them5、This is the most beautiful sight ________ I have ever seen since I came to England.A．which B．that C．where D．what6、—Li Ping’s father has ever been to Canada.— Really? When ______there?A．has he been there B．will he go C．had he been D．did he go7、(2017·内蒙古包头·30)—Why did you buy so many flowers?—________ my wife. I did something wrong yesterday. She is still angry with meA．Please B．To pleaseC．Pleasing D．Be pleased8、As for__________students from Grade 9, the biggest __________ is learning how to take care of ourselves as well as improve our grades.A．us , challenge B．Our, chance C．we , choice9、________ the time I got home, my mother had already gone to sleep.A．At B．Since C．For D．By10、- Yesterday I received a letter from John.- You did? I hear he is leaving for America .A．twice a year B．for two weeks C．next year D．last monthⅡ. 完形填空11、Once upon a time, there was a garden. Many vegetables grew in the garden. And there was a big 1 near the vegetables.The vegetables and the big tree didn't like each other. The vegetables drank a lot of water, so the tree 2drink enough water. The big tree looked the vegetables 3 and he decides to teach them a lesson.On a summer day, the 4 was shining in the sky. The big tree decided not to share its shade (阴影)with the vegetables. It made the vegetables very hot. There was not 5 water to drink, they soon became very dry and ugly. At that time, the gardener came to see these vegetables. He was very sad, 6 almost all the vegetables were dry. Then he decided to build a new garden.It 7 the gardener too much time to build the new garden. He was so busy that he couldn’t 8 the old garden. Both the big tree and the vegetables felt very thirsty. They would die soon. In the end, the big tree 9 what he had done. If the big tree realized that it was better to communicate well with the vegetables at first , they might both grow very well. However, he chose a 10 way to teach the vegetables a lesson.1．A．river B．flower C．tree2．A．couldn't B．shouldn't C．mustn't3．A．happily B．angrily C．amazedly4．A．star B．moon C．sun5．A．many B．little C．enough6．A．so B．because C．although7．A．took B．spent C．paid8．A．look up B．look after C．look through9．A．regretted B．thanked C．understood10．A．clever B．right C．wrongⅢ. 语法填空12、阅读短文，从方框中选择适当的词并用其正确的形式填空,使短文通思想完整。

4g网络发展历史

4g网络发展历史4g网络是集3G与WLAN于一体，并能够快速传输数据、高质量、音频、视频和图像等，以下是由店铺整理关于什么是4g网络的内容，希望大家喜欢!4g网络的发展历史研发阶段2001年12月～2003年12月，开展Beyond 3G/4G蜂窝通信空中接口技术研究，完成Beyond 3G/4G系统无线传输系统的核心硬、软件研制工作，开展相关传输实验，向ITU提交有关建议;2004年1月～2005年12月，使Beyond 3G/4G空中接口技术研究达到相对成熟的水平，进行与之相关的系统总体技术研究(包括与无线自组织网络、游牧无线接入网络的互联互通技术研究等)，完成联网试验和演示业务的开发，建成具有Beyond 3G/4G技术特征的演示系统，向ITU提交初步的新一代无线通信体制标准;2006年1月～2010年12月，设立有关重大专项，完成通用无线环境的体制标准研究及其系统实用化研究，开展较大规模的现场试验。

运行阶段2010年是海外主流运营商规模建设4G的元年，多数机构预计海外4G投资时间还将持续3年左右。

2012年国家工业和信息化部部长苗圩表示：4G的脚步越来越近，4G牌照在一年左右时间中就会下发。

2013年，"谷歌光纤概念"开始在全球发酵，在美国国内成功推行的同时，谷歌光纤开始向非洲、东南亚等地推广，给全球4G网络建设再次添柴加火。

同年8月，国务院日前主持召开国务院常务会议，要求提升3G网络覆盖和服务质量，推动年内发放4G牌照。

12月4日正式向三大运营商发布4G牌照，中国移动、中国电信和中国联通均获得TD-LTE牌照，不过中国联通和中国电信热切期待的FDD-LTE牌照，暂未发放。

2013年12月18日，中国移动在广州宣布，将建成全球最大4G网络。

2013年年底前，北京、上海、广州、深圳等16个城市可享受4G服务;预计到2014年年底，4G网络将覆盖超过340个城市。

2014年1月，京津城际高铁作为全国首条实现移动4G网络全覆盖的铁路，实现了300公里时速高铁场景下的数据业务高速下载，一部2G大小的电影只需要几分钟。

中考英语形容词和副词的比较等级专项

形容词和副词—形容词和副词的比较等级【2021年】1．（2021·青海中考真题）—Chinese government has controlled COVID-19 _____ .—I think so. China is the only country that allows millions of people traveling around during holidays. A．successful B．more successfully C．most successfully2．（2021·湖南湘潭市·中考真题）Running is one of _____ sports in China.A．popular B．more popular C．the most popular3．（2021·湖北恩施土家族苗族自治州·中考真题）People in the rural areas live a _____ life with the care of the government.A．happier and happier B．poorer and poorer C．more and more happily4．（2021·湖南怀化市·中考真题）A mobile phone with 5G can send videos much _____ than the one with 4G. A．fast B．faster C．fastest5．（2021·甘肃天水市·中考真题）I can’t keep up with him, he runs_____ than me.A．much faster B．even worseC．less carefully D．more carefully6．（2021·山东菏泽市·中考真题）—After Start of Spring, everything turns green in China.—Yes. People clearly see that the daytime is becoming _____ and the weather is becoming _____. A．shorter; warmer B．longer; cooler C．longer; warmer7．（2021·江苏南京市·中考真题）Jogging is _____ than many sports—to start, just get some comfortable sports clothes and good running shoes.A．cheap B．cheaper C．cheapest D．the cheapest8．（2021·河北中考真题）—What is the world’s _____ mountain?—Mount Qomolangma.A．lower B．lowest C．higher D．highest9．（2021·四川达州市·中考真题）— Which country has a _____ population, China or Canada?— China. Canada is a lot _____ crowded than China.A．bigger; less B．bigger; more C．smaller; less D．smaller; more10．（2021·甘肃武威市·中考真题）Don’t keep up with him—he runs _____ than me.A．much faster B．even worse C．less carefully D．more carefully11．（2021·江西中考真题）— Are you going to the airport by bus?— I’d rather take a taxi. It’s ________.A．quicker B．cheaper C．the quickest D．the cheapest12．（2021·云南昆明市·中考真题）It’s unbelievable that mountains can grow. According to a recent survey, Qomolangma has risen _____ than before.A．low B．lower C．high D．higher13．（2021·浙江温州市·中考真题）The roads are becoming _____ as more people go to work in the morning. A．wider B．longer C．cleaner D．busier14．（2021·四川成都市·中考真题）With the help of 5G technology, the apps on the smart phone can provide _____ functions for the users than before.A．many B．more C．most15．（2021·重庆中考真题）High-speed trains are much _____ than traditional ones.A．fast B．faster C．slow D．slower16．（2021·重庆中考真题）Protecting ourselves is one of _____ things we must do.A．important B．more important C．most important D．the most important 17．（2021·四川泸州市·中考真题）—Fishing is one of _____ activities among many people.—Yes. But now it’s not allowed to fish in the Yangtze River as well as other rivers.A．popular B．more popular C．most popular D．the most popular 18．（2021·四川遂宁市·中考真题）—What’s _____ mountain in the world?—Qomolangma. It is 8848. 86 meters high according to the latest report.A．higher B．highest C．the highest D．high【2020年】1.【2020•甘肃武威市】.It was a hundred times ________ than I'd expected.A. funB. more funC. the most funD. funny2.【2020•贵州黔南州】Cindy, you sing the English song __________ among all the singers. Congratulations!A. betterB. bestC. beautifullyD. most beautiful3.【2020•河北省】Helen is the person in her family. Her two elder sisters are both married.A. olderB. oldestC. youngerD. youngest4.【2020•黑龙江牡丹江、鸡西地区】In my opinion, Chinese is ________ any other language in the world because Chinese has the most number of speakers.A. as important asB. more important thanC. the most important5.【2020•黑龙江绥化】I think Mark is __________ of all the boys in our class.A. most outgoingB. more outgoingC. the most outgoing6.【2020•吉林省】—Who is the_____________ runner, Mike or Sam?—Mike is. He is good at running.A. fasterB. slowerC. weaker7.【2020•南通市】Compared with a 1-day weekend, a 2-day weekend is _______ as we may have enough time for our hobbies.A. more pleasantB. less pleasantC. the most pleasantD. the least pleasant8.【2020•无锡市】—How is your cold, Tom? Did you take the medicine?—Yes, three times a day. But it’s getting ________, I suppose. I have a headache today.A. worseB. worstC. betterD. best9.【2020•江西省】I’m pretty good at tennis. Actually, I’m probably ________ in the club.A. worseB. goodC. betterD. the best10.【2020•辽宁丹东】Amy has read many history books, so she learns history________ of all the subjects.A. wellB. badC. bestD. worst11.【2020•辽宁锦州】—You have made great progress on your study.—Thank you. I believe ________ you work, the better grades you will get.A. the more carelessB. the more carefulC. the worseD. the harder12.【2020•沈阳市】.Emma loves animals and looks after her pet dog ________ than her friends.A. carefullyB. more carefullyC. most carefullyD. the most carefully13.【2020•青海省】—She was the best seller in the company and her boss gave her a special ten-day holiday.—That’s so cool. She sold out ________ products than any others last year.A. the mostB. moreC. fewer14.【2020•青海省】—It’s difficult to get a ticket of Jay Zhou’s concert.—________, I’ve got one.A. FinallyB. LuckilyC. Recently15.【2020•青岛市】My People, My Country is ________ movie I've ever seen.A. more educationalB. the most educationalC. educationalD. less educational16.【2020•云南省】Dreams are powerful and they can drive you to work harder and become ________ than before.A. goodB. wellC. betterD. best17.【2020•昆明市】Garbage-sorting（垃圾分类）encourages people to live________life than before. It makes the earth a better place to live in.A. a greenerB. the greenestC. a wilderD. the wildest18.【2020•上海市】Balanced diets are just as________as regular exercise in our daily life．A．important B．more importantC．most important D．the most important19.【2020•四川攀枝花】—Mary, do you prefer weekdays or weekends?—Of course weekends. Because I'm _____________on weekdays.A．busiest B．busy C．the busiest D．much busier20.【2020•四川省遂宁市】The young man was________of all the performers.A．more creative B．much creative C．the most creative D．the creativest21.【2020•天津市】This street is much ________ than that one.A．wide B．wider C．widest D．the widest22.【2020•湖北省黄石市】I think Jay Chou’s “Mojito” is ________than his last song.A．more better B．the best C．much better D．more good23.【2020•湖北省十堰市】—Super brain is a hit TV show recently. Which competitor do you like best?—I think Zhao Jinhao is one of ______ competitors among them.A．smart B．smarter C．smartest D．the smartest24.【2020•鄂州市】—I'm proud of Ezhou, our homeland. —So am I. It is becoming ________.A. more and more beautifullyB. more beautiful and beautifulC. more and more beautifulD. more beautifully and beautifully25．【2020•黄冈市】— Chinese mountain climbers got to the top of Qomolangma again in 2020!— How exciting! Qomolangma is one of ________ places for serious mountain climbers.A. popularB. more popularC. most popularD. the most popular26.【2020•咸宁市】—Does the dish taste as ___________ as it looks?—Yes. I can't wait to eat it.A. wellB. goodC. betterD. best27.【2020•襄阳市】— Wang Lin did ___________ in the final exam this term again.— That’s not strange. He always gets full marks in all of his subjects.A. worstB. worseC. bestD. better28.【2020•长沙市】China is over 5,000 years old. It has a much__________ history than the USA.A. longB. longerC. longest29.【2020•湘西土家族苗族自治州】With the help of the government, my hometown becomes ___________ than before.A. beautifulB. more beautifulC. the most beautiful30.【2020•怀化市】With the help of Chinese government, the people in poor areas have a ______ life than before.A. goodB. betterC. best31.【2020•郴州市】—Have you ever seen the show America’ Got Talent?—Yes. I think it is as ________ as Star Avenue.A. interestingB. more interestingC. the most interesting32.【2020•盐城市】Our country now has high-speed rail network in the world.A. longB. longerC. longestD. the longest33.【2020•四川达州市】Of the two math problems, I can just work out _________ one.A. the less difficultB. more difficultC. the more difficultD. less difficult34.【2020•江苏省苏州市】—I don’t really like big cities.—Neither do I. I feel much ________ in the countryside.A. freeB. freerC. freestD. the freest35.【2020• 北京市】Zhaozhou Bridge is one of ________ stone bridges in the world.A. oldB. olderC. oldestD. the oldest36.【2020•贵州省安顺市】If we are interested in something, our brain is ________ and it is also easier for us to pay attention to it for a long time.A. activeB. more activeC. the most active37.【2020•贵州黔东南州】Fishing is one of ________activities among the middle—aged men like my uncles.A. popularB. more popularC. most popularD. the most popular38.【2020•黔西南州】It was ________ for us to solve the math problem. Few of us could even understand it.A. easy enoughB. enough easyC. difficult enoughD. enough difficult39.【2020•贵州铜仁市】—Your handwriting is beautiful.—Thank you, I write________ than before.A. carefulB. more carefulC. more carefullyD. carefully40.【2020•黑龙江哈尔滨市】—Sarah, I'm a very slow reader. Could you give me some advice to improve my reading speed?—Well, keep on reading something you enjoy. The more you read, ________ you'll be.A. the slowerB. the fresherC. the faster41.【2020•山东滨州市】—Could you tell me why you learn English so well?—It's very simple. ________ you study, ________ grades you will get.A. The harder; betterB. The harder; the betterC. Harder; betterD. Harder; the better42.【2020•甘孜州】—Which is_____________, the blue one or the red one?—The blue one.A. goodB. betterC. best43.【2020•乐山市】—Where shall we eat tonight?—Let's call Jack. He ____________ knows the best places to go.A. seldomB. alwaysC. only44.【2020•凉山州】.Putting out forest fire is regarded as one of ___________ problems in the world.A. difficultB. more difficultC. most difficultD. the most difficult46.【2020•重庆B卷】You've done a good job, and I'm sure you can do it _________.A. worseB. worstC. betterD. best【2019年】1.【2019 •福建省中考】—You are singing to the plants!—That’s true. I believe it helps them grow ____________.A. slowerB. betterC. harder2.【2019 •湖南省郴州市】-This T-shirt is a bit expensive for me-But this is _________one in our shop, sir.A. cheapB. cheaperC. the cheapest3.【2019 •湖北省黄冈市】—Mike plays the drums so wonderfully!—Of course. He is than any other students in his class.A. talentedB. more talentedC. less talentedD. the most talented4.【2019 •江西省】—What do you think of the band’s performance?—It could be ______. I think they’re feeling very nervous.A. goodB. betterC. badD. worse5.【2019 •四川省南充市】—Who sings __________in your class?—Li Jing does.A. most beautifullyB. most beautifulC. more beautifullyD. more beautiful6.【2019 •山东省青岛市】To make rivers than before, everybody is supposed to protect them.A. dirtyB. dirtierC. cleanD. cleaner7.【2019 •江苏省苏州市】The flying squirrel might be one of __________ animals you could meet during the trip.A. strangeB. strangerC. strangestD. the strangest8.【2019 •浙江省温州市】The living room becomes ____________as the sunlight comes in through the windows.A. biggerB. cleanerC. quieterD. brighter9.【2019 •甘肃省敦煌市】Sam is 11 years old.Peter is 16 years old.Peter is 5 years____than Sam.A. olderB. shorterC. newerD. longer10.【2019 •湖北省孝感市】—There will be no winner in the trade war between China and the US.—I agree. If we can't avoid it, the relationship will get ________as time goes on.A. badB. badlyC. worseD. worst11.【2019 •重庆市B卷】The Hong Kong—Zhuhai—Macau Bridge, the world’s ______crosss—sea bridge, won another international prize in December, 2018.A. longB. longerC. longestD. the longest12.【2019 •重庆市A卷】Nobody worked the math problem out. It was ____ one of all.A. easierB. the easiestC. more difficultD. the most difficult。

中国移动4g网络制式、频段、优点介绍(完整版)

目录1 前言 (3)2 缩略语 (3)3 主要功能 (3)4 无线基本功能 (4)4.1 移动性管理 (4)4.1.1 原理概述 (4)4.1.2 使用建议及配置说明 (5)4.2 QoS管理 (9)4.2.1 原理概述 (9)4.2.2 使用建议及配置说明 (10)4.3 安全功能 (12)4.3.1 原理概述 (12)4.3.2 使用建议及配置说明 (12)4.4 随机接入配置 (13)4.4.1 原理概述 (13)4.4.2 使用建议及配置说明 (13)4.5 接纳控制 (15)4.5.1 原理概述 (15)4.5.2 使用建议及配置说明 (16)4.6 主动迁移用户到空闲态功能 (17)4.6.1 原理概述 (17)4.6.2 使用建议及配置说明 (18)4.7 RRC信令过程中的控制定时器 (19)4.7.1 原理概述 (19)4.7.2 使用建议及配置说明 (20)5 面向不同建设需求功能 (21)5.1 RRU级联功能 (21)5.1.1 原理概述 (21)5.1.2 使用建议及配置说明 (21)5.2 小区合并功能 (22)5.2.1 原理概述 (22)5.2.2 使用建议及配置说明 (23)5.3 小区分裂功能 (24)5.3.1 原理概述 (24)5.3.2 使用建议及配置说明 (25)6 覆盖增强类功能 (26)6.1 CRS功率抬升功能 (26)6.1.1 原理概述 (26)6.1.2 使用建议及配置说明 (27)6.2 PDCCH链路自适应功能 (28)6.2.1 原理概述 (28)6.2.2 使用建议及配置说明 (29)7 降低系统内干扰类功能 (29)7.1 优化上行功控的参数设置 (30)7.1.1 原理概述 (30)7.1.2 使用建议及配置说明 (30)7.2 上行IRC功能 (31)7.2.1 原理概述 (31)7.2.2 使用建议及配置说明 (32)7.3 下行频选调度功能 (32)7.3.1 原理概述 (32)7.3.2 使用建议及配置说明 (32)7.4 下行小区间干扰协调（ICIC）功能 (33)7.4.1 原理概述 (33)7.4.2 使用建议及配置说明 (34)8 基于多天线技术的吞吐量提升类功能 (36)8.1 下行TM3/双流波束赋形自适应 (36)8.1.1 原理概述 (36)8.1.2 使用建议和配置说明 (37)9 参数集拓扑结构 (38)10 《LTE无线网优参数集》 (41)11 《TD-LTE无线参数指导优化手册》 (41)1前言本手册是基于TD-LTE产品的参数介绍，介绍了无线网优参数涉及的主要功能，并给出使用方法和建议。

专题06网络安全 -备战2022年中考英语阅读理解热点话题模拟练

06 网络安全As we know, the time of 5G technology（技术）is coming. Recently, there's a lot of information about 5G. But what is this technology and how might it bring to our lives?What is 5G?5G means the fifth generation（第五代）mobile networks（网络）, a better technology than 4G. And we know, 4G comes after 3G and makes the network run faster than 3G.When will 5G come to our life?Before we can all use 5G, there must be a new system（系统）for 5G to work. In the USA, some cities will first use 5G this year. Experts say it will take a few more years or even longer to reach every place. In China, a few cities are using 5G now. And more and more cities will join this group: Next year, 5G will become national, even in the countryside.What can 5G do?Experts say 5G will help to build future "smart cities" with the help of sensor networks（传感器网络）. Such networks will be able to help the police with the traffic. They can help us know what’s happening in our homes when we are at work. They can even help to made it possible for doctors to perform an operation（手术）far away.________In the future, more information and more kinds of information will be travelling across 5G networks. Much of the information could be about persons, businesses or government organization（政府组织）. So we can see the wider （更广泛地）use of a 5G network means any mistake of the system would cause serious results. Then they may bring problems of public security（安全）and world economic（经济）activity.1．According to the passage, 5G is ________.A．a kind of phone B．a kind of computer C．a kind of network D．a kind of website（网站）2．The underlined word “They” refers to ________.A．Experts B．The police C．Doctors D．The networks3．Which of the following is NOT mentioned about “smart cities” in this passage?A．House building. B．Traffic. C．Home security. D．Operations.4．The underlined word “national” in the passage means “________” in Chinese.A．民族的B．国立的C．全国性的D．普通的5．Which sentence is the best for the place ________A．Who will use 5G? B．Why will 5G be popular?C．How will people use 5G? D．What are the security problems?Passage2The night of Nov.3 was very special to Australian tennisplayer Ashleigh Barty,23. She won her first single title(单打冠军)at the 2019 Women's Tennis Association (WTA) Finalsin Shenzhen. Barty took home a record $4.42 million (31million yuan) prize for the title, the biggest prize in tennis.She has held the WTA World No.1 title for 15 weeks.becoming the first Australian woman to do so.China has built the world's largest high-speed rail network,which is still expanding(扩张).Last year, the total length ofthe network reached 29,000 kilometers. The trains haveattracted millions of travelers and greatly reduced travelingtime around the country. For example, travel time fromBeijing to Shanghai has been reduced from ten hours to fivehours. China is also sharing this technology with many othercountries.Over the past decades, many people have made greatcontribution(贡献) to China’s development, helping itgrow through their hard work. On Sept. 29, ahead ofNational Day, Chinese President Xi Jinping presentednational medals and honorary titles(荣誉称号) to some ofthese contributors,, including thirty-six Chinese citizens andsix foreigners. President Xi helped them put on the medalsand shook hands with them.Sept 16 to 22 is China's sixth annual Cyber Security Week(网络安全周). An opening ceremony and major activitieswere held Tianjin. First held in 2014, the event aims toremind people of the importance of fighting online threats(威胁)and cyber attacks. The theme of this year's event is"cyber security for the people and by the people". One of thegoals of this year’s event is to teach people how to protecttheir personal data(数据).6．About Ashleigh Barty, which of the following is TRUE?A．She won a single title at WIA Finals in Shenzhen, China last year.B．She got a prize of 3,100,000 yuan for her first single title at WTA．C．She has held the WTA World No.1 title for more than one year.D．She was the first Austrian woman to win the single title at WIA．7．From the above reading, we learn that _________.A．the total length of the network reached 29,000 meters last year.B．China has got the largest high-speed rail network in the world.C．it only took 5 hours from Shanghai to Shenzhen by high-speed train.D．China shares the high-speed rail technology with few other countries.8．According to the passage, how many people were awarded national metals and honorary titles? A．38 B．36 C．6 D．42 9．According to the passage.the purpose of Cyber Secuity Week is to _________.A．hold a wonderful opening ceremony and different kinds of activities.B．help people know that it is important to fight online threats and cyber attacks.C．help people know what is cyber secuity and how to protect themselves.D．teach people how to protect their personal data.Since May 12, a computer virus named WannaCry has infected (感染) more than 300,000computers in over 150 countries, according to Reuters.Wannacry is spread by using a weakness in Microsoft's Windows operating system. Once the virus gets into the computer, it locks all the papers and asks the user for money to unlock them. At first, it asks for $300, but if the user doesn't send the money in 72 hours, the price doubled. Papers are locked forever if the user doesn't pay in seven days.The virus has brought bad results. For example, in the UK, the virus left the country’sNational Health Service in a mess. Some hospitals had to cancel patient appointments(预约), reported The Telegraph. In China, the virus has hit thousands of computers, according to Qihoo360. One of the most hard-hit groups in China were university users. Many students' graduation papers were locked. They felt nervous and frightened. Also many gas stations were seriously hit, and the payment syst em didn’t work.WanaCry is the latest example of the cyber security(网络安全) problem. Matthew Hickey, who set up the security company Hacker House, said, "The attack is not surprising. It shows that many organizations do not use updates(更新) fast enough. Accor ding to a survey, nearly half of the people said, “We are not satisfied with the way software updates work.”As China Daily wrote, “We can’t completely protect our computers against these kinds of viruses, as this cat and mouse game will continue forever. The best choice for most users is to take care online and always install(安装)software updates.”10．What is WannaCry?A．A video game. B．A computer software. C．A computer virus. D．A TV programme.11．If your papers are locked by Wannacry, how much do you need to pay if you don’t send the money in 72 hours? A．$150. B．$300. C．$600. D．$900.12．According to the passage, the writer shows the bad results by ________.A．giving reasons B．giving examples C．comparing computers D．comparing numbers 13．From the last two paragraphs, we can know that________.A．Matthew Hickey thinks the attack on computers is very surprisingB．all the people are pleased with the way software updates workC．the computers can be completely protected against these virusesD．we should take care online and update software fast enoughPassage4Slowly but surely, we’re moving closer and closer to 5G world. From smart-home security to self-driving cars, all the internet-connected devices（装置）in your life will be able to talk to each other at lightning-fast speeds. Objectively speaking, the fastest 4G download speeds in the U.S. top out at an average of 19.42 Mbps. But by comparison 5G promises gigabit（千兆）speeds.“5G is one of those signs, along with artificial intelligence（人工智能）, of this coming data age.” said Steve Koenig, senior director of market research for the Consumer Technology Association. The self-driving vehicle is a great emblem of this data age,and that is to say, it is a sign of time, because with one single task, driving, you have large amounts of data coming from the vehicle itself, and a variety of sensors（传感器）are collecting a lot of information to model its environment as it moves. It’s pulling in data from other vehicles about road conditions. It could be weather information, but also connected infrastructure construction（基础设施建设）. There’s lots of data behind that task, which is why we need high speed.Augmented reality glasses（实境眼镜）and virtual headset haven’t yet broken the mainstream（主流）, but tech companies are joyfully betting that these devices will finally take the place of our smartphones. With 5G, that could actually happen. This is notable because companies such as Apple are reportedly developing AR glasses to give help-or perhaps even replace-smartphones.Ericsson stated at Febr uary’s Mobile World Congress how smart glasses could become faster and lighter with a 5G connection,because instead of being weighed down with components, the glasses could depend on hardware for processing power.But don’t get too excited. There’s still a lot of work to be done, including various ways to make sure the radios play nicely with hardware and infrastructure construction so 5G isn’t used only in big cities.14．What does the author want to stress in Paragraph 1?A．The lighting-fast speed of 5G.B．The expectation of SG world.C．The difference between 4G and 5G.D．The internet-connected devices in our life.15．What does the underlined word "emblem"in Paragraph 2 mean________?A．Show. B．Success. C．Symbol D．Explanation16．We can infer from the text that ________A．5G world won’t come without AR glassesB．5G helps to create the artificial intelligence vehicleC．Apple company is developing AR glasses worldwideD．Tech companies will face the fact that smartphones may be replaced17．What will the author probably tell us next？A．How to make 5G cover more areas..B．Smart glasses will become faster and lighter.C．Why 5G Isn’t used in big cities.D．The importance of infrastructure construction.A few young students are talking about something on WeChat.Hi everyone! I like sports very much and play basketball almost every day. I also like to eat fast food, but my parents ask me to eat it only once a month.——Bill Sorry to hear that, Bill. However, maybe your parents are right. Fast food isn’t go od for you. I seldom eat it. On weekends, I often do some housework to make my parents relax ( 放松). And I use the Internet only once a week. I have a lot of homework to do every day.——Kate Yes, we students are always busy with our studies. But on Friday evening, I usually go shopping with my mother. It’s really fun. I enjoy watching TV, too. And I do it almost every day. So my parents are kind of unhappy sometimes.——Tony All parents like that. My parents never let me watch TV or play computer games! On weekends, they always want me to study almost every minute. But luckily, I can go to movies with them every Saturday. And on Sunday they let me go out with my friends when I finish my homework. Sometimes they are really good!——Lisa 18．Kate often ________ at the weekend.A．plays basketball B．helps with houseworkC．goes to the movies D．uses the Internet19．Who usually buys things on Friday evening?A．Bill. B．Kate. C．Tony. D．Lisa.20．Lisa can go to the movies ________.A．everyday B．once a week C．twice a week D．on weekdays21．From the passage, we can know that ________.A．Bill often eats fast foodB．Kate never uses the InternetC．Tony often watches TVD．Lisa can go out with her friends at any time22．What are these young students mainly (主要地) talking about?A．Their parents and their life. B．Their eating habits (习惯).C．Their free time. D．Their studying habits.Whether from news, reports or social media articles, you may know that 5G is coming.5G is the 5th generation network. It is a new network after 1G, 2G, 3G and 4G and it can connect everyone and everything together. 5G means super-fast data (数据) speed. One can download a two-hour movie in fewer than 10 seconds, and it is making our lives more and more convenient.5G will make self-driving cars possible. For safety, self-driving cars need super-fast data transmission (传输) to communicate with their nearby environment. 5G is just what makes self-driving cars achieve this. Even airplanes will become “smart” in the near future.5G will be a big help for students who take online classes. Students all over the world will be able to see places like the Great Wall without leaving their rooms.It will be also easier for doctors to treat patients remotely by 5G. It means caring for patients from far away.The facts listed above are only part of what 5G will make possible and popular. Just as in the early days of the Internet in the 1990s, few could see how it could change the world. The same will surely be true of 5G. With 5G,many things do not seem like dre ams to anyone. Now let’s get ready to say goodbye to 4G and welcome the coming of 5G.23．How long may it take to download a two-hour movie with 5G?A．15 seconds. B．8 seconds. C．10 minutes. D．2 hours.24．From the last paragraph, we can know that ________.A．4G is no more used in our daily life now B．the writer is worried about the coming of 5GC．with 5G, some of our dreams will come true for sure one day D．in the 1990s, all the people believed that the Internet would change our life25．5G will make the following things more and more popular EXCEPT ________.A．self-driving cars B．“smart” airplanes C．online classes D．hospitals with doctorsRecently a university in Nanjing, Jiangsu Province has set up facial recognition systems（人脸识别系统）in the classrooms to watch students’ behavior. As a result, it has caused a big discussion on the Internet.China Pharmaceutical University put the systems in two test classrooms as well as school gates, dormitory entrances（宿舍入口）, the library and laboratory buildings.Acc ording to Xu Jianzhen, director of the university’s library and information center, the systems will help teachers check if students are in class and watch what they are doing during the lectures.“In the past, some students were absent from class after t eachers took attendance（考勤）or asked other students to answer “Present!” for them. So it was difficult to take control of them. Now with facial recognition, that would no longer be a problem,” he said.“As soon as you enter the classroom, the camera will wa tch you all the way through and record how long you put down your head, whether you’re playing with a smartphone, you’re sleeping or you’re reading other books,” he added.The news has raised wide discussion online. Many people are questioning if the cameras will infringe on students’ privacy（隐私）. However, this is not the first university to use facial recognition technology in school. Many universities across the country have put cameras at the school gates to make sure of safety.26．Where can facial recognition systems be seen in China Pharmaceutical University?A．In all the classrooms.B．In the dining hall.C．In all the university buildings.D．In the places where students appear often.27．Why is the university using facial recognition systems?A．To help their students stay safer.B．To manage their students better.C．To help their students get better grades.D．To find out why the students don’t like attending classes.28．What can we infer from the passage?A．Almost everyone thinks the university should use facial recognition systems.B．No students will be absent from class in China Pharmaceutical University.C．Facial recognition technology is widely used in Chinese schools.D．Technology can change our life and make our life better.29．What’s the main idea o f the passage?A．Facial recognition systems have many advantages and universities should use them.B．College students are hard to deal with and universities are finding ways to solve the problem.C．China Pharmaceutical University started using facial recognition technology and people have different opinions on it.D．Facial recognition technology is important in helping students stay safe in school.Many children use the Internet to get useful knowledge (知识) and information, and to relax in their free time. But some of them are not using it in a good way. Here are some rules to make sure you are safe and have fun on the Internet.Make rules for Internet use with your parents. For example, when you can go online, for how long and what activities you can go online.Don’t give your password (密码) to anyone else, and never leak out the following information—your real name, home address, age, school, phone number or other personal information.Check with your parent before giving out a credit card (信用卡) number.Never send a photo yourself to someone in e-mail unless your parents say it’s OK.Check with your parents before going into a chat room. Different chat rooms have different rules and attractdifferent kinds of people. You and your parents must make sure it's a right place for you.Never agree to meet someone you met on the Internet without your parent’s permission (允许). Never meet anyone you met online alone.Always remember people online may not be who they say they are. Treat everyone online as strangers.If something you see or read online makes you uncomfortable, leave it at once. Tell it your parents or your teachers right away.Treat (对待) other people as you like to be treated. Never use bad language.Remember—not everything you read on the Internet is true.30．If you want a true friend on the Internet, you can ________.A．tell the people what your name is B．meet the people online aloneC．write an e-mail about yourself D．get your parent’s permission31．The underline phrase “leak out” in the third paragraph may mean ________.A．捐款B．离开C．泄露D．放好32．This passage is mainly about ________.A．how to use computers B．surfing on the InternetC．information on the internet D．internet safety rules33．If your parents don’t agree, never ________.A．read anything on the InternetB．relax in your free timeC．have a face-to-face meeting with anyone you met onlineD．treat other people as you would like to be treated【答案】1．C2．D3．A4．C5．C【分析】本文主要讲了什么是5G网络，5G网络能做什么以及未来怎样运用5G网络。

吉林市第一中学初中英语八年级下册Unit 4基础卷(含解析)

一、选择题1．I really hope things ________.A．give away B．give out C．put off D．work out D解析：D【解析】句意：我真的希望事情能够成功。

give away捐赠，泄露；give out分发；put off推迟；work out计算出；实现。

根据句意可知，这里表示希望事情能够成功，故应选D。

2．My cousin is ________ heavy because he often eats ________ fast food.A．much too; too many B．too much; too much C．much too; too much C解析：C【详解】句意：我的表弟太重了，因为他经常吃快餐。

much too修饰形容词或副词；too many修饰可数名词；too much修饰不可数名词。

heavy为形容词，要由much too修饰；food为不可数名词，要由too much来修饰，故答案为C。

点睛：本题实际上是考查many, much的用法，前面的so, too只是起到修饰many, much的作用。

many修饰可数名词，much修饰不可数名词。

如： too/so much money；too/so many books。

3．If you compare him ______ other children of his own age, you’ll find he’s not very tall. A．for B．withC．at D．about B解析：B【详解】句意：如果你把他和他同龄的其他孩子相比，你会发现他并不高。

考查介词辨析。

for为了；with和；at在某处；about关于。

compare with（把……）与……相比，固定短语；根据句意结构，故选B。

4．The children from Beijing will ____ with the children from Shanghai in tomorrow’s soccer match.A．disagree B．competeC．discuss D．hit B解析：B【解析】句意：明天的足球比赛中，来自北京的孩子将与来自上海的孩子比赛。

易错点纠错练06 非谓语动词易错点-备战2024年高考英语考试易错题(原卷版)

当形式填空)
10．They talk to the flood of international tourists and to
(visit) Chinese zookeepers who
often come to check on the pandas, which are on loan from China. (所给词的适当形式填空)
词的适当形式填空)
39．
(expose) too early to the foreign language study, according to some experts, may lead to
some unfavorable outcomes. (所给词的适当形式填空)
40．We regret
(date) back hundreds of years.
(所给词的适当形式填空)
44．I usually have fast food
(deliver) to my office when I am busy. (所给词的适当形式填
空)
45．With the final exam
(approach), all the students are busy going over their lessons. (所
给词的适当形式填空)
46．Please read your article in a loud voice to make yourself
(所给词的适当形式填空)
30．
(charge) with acting dishonestly in her business, she was in low spirits. (用所给词的适当

iVideoWiFi China + HONG KONG + MACAO SIM Card Prep

iVideoWiFi China + HONG KONG + MACAO SIM Card Prepaid 4G LTE (5GB 10 Days)1. This SIM card has 5GB for 10 days in 4G speed in China, Hong Kong, and Macao. You will be charged with roaming fee if you use the device outside the corresponding country. This product is data only, voice & SMS are not supported.2. After inserting the SIM card into your phone, select “Setting” and turn on “Mobile data”, wait for 3 minutes and you will have unlimited internet to use. If you have a dual card mobile phone, please do not insert both SIM cards together because it may aﬀect the connection quality.3. If the internet is not connecting, please enable Data roaming on your device. The warning popup message about data roaming is a normal procedure, you can ignore that. If after enable Data roaming your device still has no connection, please set the APN manually.Instruction for setting up APN*iPhone [APN]: internetSetting → Cellular → Cellular data options → Cellular data network, set the APNFor system that are later than ios 9.2Setting → Cellular → Cellular Network options → Cellular Data, set the APNIf it still doesn’t work, please check if the following description is in the default setting :Settings → General → Description If there’s a default description ﬁle, please delete it.Then go to Settings → General → Reset → Reset network setting*Android [APN]: internetHTC: Settings → Mobile data → APN → Add new APNOppo: Settings → SIM 1 → APN → Add new APNSONY: Settings → More → Mobile Networks → APN → Add new APNASUS: Settings → More → Mobile Networks → APN → Add new APNLG: Settings → More → Mobile Networks → APN → Add new APNSamsung: Settings → More networks → Mobile network → APN → Add new APN*Some devices might require you to choose a name for your new APN setting, any name will do.APN :internet Authentication Type: CHAPManipulating method of changing the carrier and the list of carriersDue to the coverage diﬀerences in every area, the carrier which supported will not be the same.Please try other carriers if there is any network congestion.Android (The diﬀerent procedure depends on the version of your smartphone) :•Settings > Connection > Mobile Network > Network Operators > Search Networks > Choose the carrier•Settings > More > Mobile Network > Network Operators>Search Networks > Choose the carrier•Settings > Dual SIM and Mobile Network > SIM 1 >Carrier > Choose Automatically > Choose the carrieriOS :Settings > Carrier > Choose Automatically > Choose the carrierAttention・Internet data within China, Hong Kong, Macao only. Voice call & SMS not available.・Extension or terminating the service in advance are not available.・If there's a connection problem, please restart your phone or move to another location and try again.・Please insert the SIM card into Smartphone after arrived the assigned countries.TroubleshootingIf you didn't use the product, the product wasn't working or the activation failed, please send it back to us on your behalf.We will provide a full refund after we conﬁrm the SIM card is not expired and there's no data usage.Please note that refund is not available if the SIM card is damaged or lost.iVideo US Customer Support Contact InformationUS Store and Phone Support Hours: M-F from 9AM to 4PM EST (Closed on Federal Holidays)Phone: 1-856-602-2234Email:*************************WhatsApp USA: +1-856-602-2234Line: @ivideo.en。

中国互联网用户增加报告英文作文

中国互联网用户增加报告英文作文The Number of Internet Users in China is Growing So Fast!Hi everyone! My name is Xiaoming and I'm a 4th grade student in Beijing. Today I want to tell you all about how the use of the internet is really taking off in China. It's so exciting!First, let me give you some big numbers. As of last year, there were over 1 billion internet users in China! That's almost a third of the entire population using the internet. Isn't that crazy? My parents said that when they were kids barely anyone used the internet at all. Now it seems like everyone is online.The number of people in China going online has been growing at a super rapid pace year after year. In just the last five years alone, over 200 million new internet users were added. That means the total number of internet users in the whole country increased by almost 25% in a very short period of time. The growth has been mind-blowing!There are a few key reasons why internet usage has exploded so quickly in my country. The first is the rise of smartphones and mobile data plans. Nowadays, you see people using their phones to access the internet literally everywhere - on the subway, waiting in line, even walking down the street. Myparents got me my first smartphone last year and I use it to go online all the time, especially for watching videos and playing games.Secondly, internet infrastructure has improved drastically, especially in big cities like where I live. We have extensive 4G coverage and fiber optic broadband internet in most urban areas now. Downloads are fast, video streaming is smooth, and it's just an all-around better online experience compared to the old dial-up days.Another reason is that more and more services have moved online in China - shopping, payments, entertainment, you name it. E-commerce is huge and platforms like Taobao and are super popular with my parents for buying things. Then you have apps and websites for video, music, games, chatting with friends, and so much else. Honestly, for my generation, a big part of our lives happens over the internet.The government has also pushed to expand internet connectivity in rural areas through projects building out infrastructure. While cities have been quicker to adopt the internet, usage rates are rising across the whole country, urban and rural alike. No matter where you live in China, getting online is becoming the norm.With so many more people in China using the internet for so many different purposes, some new trends have emerged. For example, live streaming has taken off in a big way, with regular people broadcasting themselves doing all kinds of activities like singing, playing video games, or just chatting. Some top live streamers have hundreds of thousands of fans watching them! It's kind of crazy but also fascinating.Another interesting trend is the huge popularity of domestic online video platforms. While international services like YouTube are blocked, we have our own video sites like Youku, iQiyi, and Bilibili. Tons of Chinese web shows, movies, and videos get uploaded there and they have hundreds of millions of viewers. I'm honestly a big fan of Bilibili which has a lot of great animated shows and gaming videos.Overall, the growth of the internet in China has been simply staggering. What was once an urban novelty has become a part of daily life for people all across the country, young and old. As a member of the latest generation, I can't even imagine life without the internet! While there are downsides like tech addiction that need to be managed, I'm really excited to see how internet usage continues evolving in China in the coming years.Who knows what amazing new trends and technologies are still to come? I for one can't wait to ride that wave of progress!。

江苏移动·见证跨越吾家4G_初长成

Special Report特别报道30中国电信业CHINA TELECOMMUNICATIONS TRADE智能终端体验移动4G 畅快网速，卓越的网络覆盖与性能获得了参会企业和市民的一致好评。

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现如今，苏州移动已率先将移动4G 送到了公交车上。

在已覆盖4G 网络的公交车上，点击名为“CMCC-4G”的移动4G 无线网络，再输入手机号码免费获取密码，登录后就可以畅玩4G 了。

据了解，今年年初，苏州市高新区的14辆333路公交车已率先开通了4G 信号，从石路爱河桥到科技城东菱首末站的40个站点的长线上，乘客只要打开无线局域网都可以轻松免费上网，而且不区分移动网内外用户，也不限流量，无论是智能手机、iPad 还是笔记本电脑，只要乘客的终端支持WiFi 功能，都能在333路公交车上通过免费的移动4G 网络下载电影、浏览网页、在线观看视频等。

由于4G 采用更先进的技术，其辐射较2G 与3G 网络更低，使用起来也更加安全。

目前，移动4G 已进驻苏州全市50多条线路上的750余辆公交车。

未来，全市公交线路和主城区候车亭都将覆盖移动4G，此外，苏州移动还将陆续推出4G 监控等民生信息化应用，让古城市民的生活变得更智慧。

英文文献025：手机发展趋势

外文翻译：手机发展趋势随着电子技术的不断发展，数码产品越来越贴近人们的生活。

随之而来的是人们不断追求更多的便捷的享受，更多娱乐气氛。

十年前手机仅仅作为一个通讯设备出现在人们的面前，但是在网络全球化的今天，手机俨然成为个人的“超级计算机”，品种多样的手机，纷乱复杂的程序软件，不断改变人们手机使用的态度，也不断催生人们的好奇心。

手机在这么多的苛刻标准和日新月异的技术创新中，该何去何从。

手机产业链的变化该怎么满足不断增长的好奇心和挑剔。

更多原创经管论文及英文文献与翻译请访问：http://经管论文.com/ ,并提供定制服务目前手机的不能满足人们的需求，当今的人们被手机束缚着，牢牢的把人们困在一个人为的模式下，手机功能不能是无限的，但是手机发展并不仅于此。

所以不断骚动的人们破解，研发，改装等等想改变这样的局面。

但这只是从量的角度积累想通过这个达到质的飞跃，同时必须要有把握未来趋势的洞察力和掌控力。

手机的发展要同社会的发展相适应，以后的手机将成为人们的不可或缺的智能机器。

手机未来的七大发展趋势1、未来手机发展总体趋势就是硬件提升和软件开发？现在手机的用途很大部分用于通信，包括电话、短信、彩信、网页、QQ等等。

但这只是手机内部或者说是手机产业内部模式化的服务。

硬件提升和软件开发仅仅是手机未来发展的先决条件。

手机的发展不仅仅是手机单方面的，是多个方面的发展。

比如：手机将可能成为虚拟货币流通渠道，这就需要运营商等等行业的支持。

手机可能出现虚拟人物，这就需要媒体等行业的支持。

手机有可能内置其他类别的设备的，比如：医疗，测距，夜视等等就需要很多行业的支持。

手机将会慢慢发展两大趋势：一是普遍智能化，一是专业智能化。

这很可能衍生出普通手机用途和专业人士的特殊用途的两种或几种类型来逐步满足人们的需要。

总之，未来的手机将更加的虚拟化和人性化，当然还会很智能化。

2、未来手机的平台能不能够统一？现在很多手机是基于不同平台运行的，各种操作系统各有千秋。

关于4G体验专区与世界杯营销专区的定向流量通知

关于4G体验专区与世界杯营销专区的定向流量通知为培养4G用户对TD-LTE高速网络的感知和使用习惯，吸引用户使用4G特色业务，总部拟开展4G体验专区与世界杯营销专区定向流量赠送活动，现将工作安排部署如下：一、方案介绍（一）4G专区定向流量赠送方案1、活动时间：2014年6月10日——2014年11月30日；2、活动内容：活动期间，新办理4G套餐（含4G流量包或4G飞享套餐）的客户，自4G套餐生效起连续6个月赠送500M/月定向流量。

已经办理4G套餐（含4G流量包或4G飞享套餐包）的客户，从6月初，连续6个月赠送500M/月定向流量。

该定向流量仅用于4G体验专区（WAP地址：/4g；客户端：MM客户端上4G专区）使用；3、面向客户：开通全网统一4G套餐（含4G流量包或4G飞享套餐包）的用户；4、定向流量配置信息：（1）ServiceID：1720000001（2）名称：4G专区定向流量（3）流量包大小：500M/月（4）有效期：定向流量包开通当月起，6个月有效。

5、生效规则：（1）新增用户：客户4G套餐生效时，即刻生效。

（2）存量用户：6月初，由各省统一开通赠送，开通时，需要进行二次确认。

6、业务支撑系统实现方式：按照各省分别给个人订购0元优惠套餐的方式支持。

7、套餐开通、流量短信提醒：按现有套餐开通、流量提醒、流量查询短信要求进行提醒；其中，开通短信中，增加专区访问链接：“4G专区访问地址：/4g”。

短信模版详见附件一。

（二）世界杯专区定向流量赠送方案1、活动时间：：6月12日-7月13日2、活动内容：活动期间，中国移动客户访问专区（WAP地址：/sjb，客户端：MM客户端上世界杯专区），可赠送至多2GB世界杯专区定向数据流量（不限2G/3G/4G网络；用户若在6月首次访问世界杯专区则在6月、7月各赠送1GB，若在7月首次访问则在7月赠送1GB，该流量未使用完当月清零）。

3、面向客户：活动期间访问世界杯专区的中国移动客户。

中国IT网民4G使用意向调查报告(doc 31页)

中国IT网民4G使用意向调查报告(doc 31页)ZDC：2014年中国IT网民4G使用意向调查Posted on 2013年12月27日 by DinK in ZDC, 消费者研究, 用户研究, 电信产业with 0 Comments 一、调查背景2014年12月4日，工信部正式发放4G牌照，三大运营商中国移动、中国联通、中国电信均获得TD-LTE牌照。

这标志着中国正式跨入4G时代。

从特征来看，4G具有更高速率、更强的兼容性，更强的灵活性，同时业务也更加丰富。

与3G相比，4G将在技术和应用上有质的飞跃。

但从发展阶段来看，4G在我国刚刚起步，网民对4G的关注有多少呢？未来使用4G的意向又如何呢？(图)2014年中国IT网民4G使用意向调查报告对此，互联网消费调研中心ZDC进行了4G使用意向调查，问卷在ZOL首页进行推广，共回收问卷2278份，通过对答题完整度、IP等信息的筛选，共获得有效问卷2265份，问卷有效率99.4%。

注：本调查报告数据主要来源于ZOL网站，可能会对调查结果产生影响。

报告关键数据•从当前IT网民所用的网络来看，2G、3G网络用户比例接近，其中18岁以下网民使用3G的比例最高。

•从运营商使用情况来看，中国移动用户优势显著，超六成。

•从每月手机资费来看，月资费在50-100元的网民占比最高，为38.4%。

•全面上网已基本实现，目前使用手机上网的IT网民比例达到95.6%。

•对手机上网网速不满的网民占比最高，达到37.2%。

•每月手机流量在100MB-300MB的用户占据主流。

•浏览网页为用户流量的主要使用方向。

•IT网民对4G的关注比较集中，比较关注和非常关注4G的网民占比接近六成。

•目前正在使用3G网络的网民对4G的关注最为集中。

•18岁以下及55岁以上网民对4G更为关注。

•网络新闻媒体为网民关注4G的主渠道。

•4G网络资费为网民关注的重点。

•超过五成网民表示考虑使用4G网络。