2020年中国石油大学北京网络学院 大学英语(二)第三阶段在线作业 参考答案
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中国石油大学北京网络学院
汇编语言程序设计-第二次在线作业
参考答案
1.(
2.5分)下列叙述正确的是:
A、对两个无符号数进行比较采用CMP指令,对两个有符号数比较用CMPS 指令
B、对两个无符号数进行比较采用CMPS指令,对两个有符号数比较用CMP 指令
C、对无符号数条件转移采用JAE/JNB指令,对有符号数条件转移用JGE/JNL 指令
D、对无符号数条件转移采用JGE/JNL指令,对有符号数条件转移用JAE/JNB 指令
我的答案:C 此题得分:2.5分
2.(2.5分)在下列指令的表示中,不正确的是:
A、MOV AL,[BX+SI]
B、JMP SHORT DONING
C、DEC [BX]
D、MUL CL
我的答案:C 此题得分:2.5分
3.(2.5分)在进行二重循环程序设计时,下列描述正确的是:。
中国石油大学北京网络学院
电子商务-第三次在线作业
参考答案
1.(
2.5分)网络体系结构可以定义成()。
A、一种计算机网络的实现
B、执行计算机数据处理的软件模块
C、建立和使用通信硬件和软件的一套规则和规范
D、由ISO(国际标准化组织)制定的一个标准
我的答案:C 此题得分:2.5分
2.(2.5分)保证网上交易安全的一项重要技术是()
A、防火墙
B、客户认证
C、电子钱包
D、电子现金
我的答案:B 此题得分:2.5分
3.(2.5分)美国电子商务中的物流解决方案采取的模式是()
A、高效配送中心
B、物流代理
C、仓储式
D、物流中央化。
【石油大学】大学英语(二)-第二阶段在线作业试卷总分:100 得分:100第1题,1.(2.5分)–Ifailedit.--_____________.A、When?B、How could you?C、You should fail it.D、What a pity!正确答案:D第2题,2.(2.5分)--IwishIhadneverdoneit.--____________A、OK.B、Don' t worry too much.C、Not at all.D、Next time.正确答案:B第3题,3.(2.5分)–Youknowwhat,Lindagotmarriedyesterday!--______________.A、Are you serious?B、When?C、Where did she go?D、Thank you for telling me.正确答案:A第4题,4.(2.5分)–Imade500dollarsinanhour.--______________.A、OK.B、It doesn’t matter.C、Are you kidding?D、I don’t know.正确答案:C第5题,5.(2.5分)–Doyouagreewithme?--______________.A、No.B、I’m afraid not.C、I can’t.D、Not.正确答案:B第6题,6.(2.5分)–He’sthebestintheteam.--_______________.A、I agree with you.B、I don’t know.C、I’m terribly sorry.D、Nice to see you.正确答案:A第7题,7.(2.5分)–Ilostmypurse.--_________________.A、I’m sorry to hear that.B、Where?C、How could you lose it?D、How can I help you?正确答案:A第8题,8.(2.5分)Thesun_____intheeastand______inthewest.A、rise setB、rose setsC、risen setD、rises sets正确答案:D第9题,9.(2.5分)She______tothesupermarkettwiceaweek.A、goesB、goC、wentD、gone正确答案:A第10题,10.(2.5分)Assoonasyou_____atthezootomorrowmorninggivemeaphonecall.A、arriveB、arrivedC、are arrivingD、will arrive正确答案:A第11题,11.(2.5分)Iwon'tgounlessyou_____thisafternoon.A、comeB、cameC、are comingD、will come正确答案:A第12题,12.(2.5分)Iwillfinishmyhomeworkbeforemysister_____back.A、comeB、comesC、will comeD、is coming正确答案:B第13题,13.(2.5分)Japan_____totheeastofchina.A、isB、will beC、areD、is going to be正确答案:A第14题,14.(2.5分)Herantotherailwaystationand_____thelasttrain.A、catchB、catchesC、caughtD、catched正确答案:C第15题,15.(2.5分)I______tobeascientistwhenI______aboy.A、wanted, wasB、want, amC、wanted, amD、want, was正确答案:A第16题,16.(2.5分)Mygrandfatheroften______meinterestingstoriesinmychildhood.A、tellsB、toldC、tellD、telled正确答案:B第17题,17.(2.5分)The2008summerOlympicGames______inBeijing.A、were heldB、heldC、was heldD、holds正确答案:A第18题,18.(2.5分)William______tobeduntil12o’clocklastnight.A、didn’t goB、had n’t goneC、wentD、has gone正确答案:A第19题,19.(2.5分)What__________himangryjustnow?A、makesB、makeC、madeD、making正确答案:C第20题,20.(2.5分)_________shepracticeherviolinyesterday?No,she_________.A、Was, wasn’tB、Did, didn’tC、Was, didn’tD、Did, wasn’t正确答案:B第21题,21.(2.5分)Alice________herenextmonth.A、isn’t livingB、doesn’t livingC、isn’t going to livingD、won’t live正确答案:D第22题,22.(2.5分)JimandLiLei__________thefootballmatchthisevening.A、will be going to watchB、will going to watchC、are going to watchD、will go to be正确答案:C第23题,23.(2.5分)—Isyourfather________?—No,he________fishing.A、going to swim, shall goB、going to swim, will goC、will swim, is goingD、will swim, is going to正确答案:B第24题,24.(2.5分)Ifit______tomorrow,thesportsmeeting_____putoff.A、rains, isB、rains, will beC、will rain, will beD、will rain, is正确答案:B第25题,25.(2.5分)I______allmyworkbeforeI________.A、finish, leaveB、finishes, leavesC、will finish, will leaveD、will finish, leave正确答案:D第26题,26.(2.5分)—ShallIbuyacupofcoffeeforyou?—________.A、No, you can’t.B、No, you won’t.C、No, thanks.D、No, please.正确答案:C第27题,27.(2.5分)—Let’sgotoplayvolleyball,shallwe?—OK.I_______.A、will comesB、comeC、be going to comeD、am coming正确答案:D第28题,28.(2.5分)Dad________tousassoonashearrivesatTibet.A、writeC、will writeD、has written正确答案:C第29题,29.(2.5分)There__________abirthdaypartythisevening.A、willB、shallC、will beD、shall be正确答案:C第30题,30.(2.5分)________yoursister________ajournalfromthelibrary?A、Are; going to borrowB、Is; going to borrowC、Are; borrowsD、Will; going to borrows正确答案:B第31题,31.( 2.5分)—WillyourparentsgotoseetheTerraCottaWarriorsnextMonday?—No,________.A、they weren’t.B、they won’t.C、they don’t.D、they shan’t.正确答案:B第32题,32.(2.5分)Prepositions(介词)____inthestructureofEnglish.A、take partB、take a great partC、play a large partD、play many parts正确答案:C第33题,33.(2.5分)SometimesIdream____runningawaytoadesertisland.A、toB、aboutC、ofD、with第34题,34.(2.5分)Hefinally____inreachingthetopofthemountain.A、achievedB、managedC、enabledD、succeeded正确答案:D第35题,35.(2.5分)Ishouldsaythatwetwohavenothing____.A、with commonB、in timeC、in commonD、in need正确答案:C第36题,36.( 2.5分)Wecamefinally_________theconclusionthatshehasbeentellingliesallthetime.A、ofB、intoC、toD、at正确答案:C第37题,37.(2.5分)Onaverage,asuccessfullawyerhastotalktoseveral_______aday.A、customersB、supportersC、guestsD、clients正确答案:D第38题,38.(2.5分)Apairofspectacles________whatIneedatthemoment.A、isB、areC、hasD、have正确答案:A第39题,39.( 2.5分)Theyoungladycomingovertous_____ourEnglishteacher;thewayshewalkstellsusthat!A、must beB、can beC、would beD、could be正确答案:A第40题,40.(2.5分)Asthebuscameroundthecorner,itran______abigtreebytheroadside.A、intoB、onC、overD、up正确答案:A。
单选题(共40道题)收起1.(2.5分)–Is it going to rain? -- _________.•A、Thank you.•B、I like the rain.•C、I love sunshine.•D、I think so.我的答案:D 此题得分:2.5分2.(2.5分)–what does the weather forecast say? --___________.•A、It says I’m fine.•B、It says it is going to snow.•C、It says the traffic will turn better.•D、It says OK.我的答案:B 此题得分:2.5分3.(2.5分)–Excuse me, are you free tomorrow evening? --___________.•A、You’re welcome.•B、I’m glad to see you.•C、It doesn’t matter.•D、I think so.我的答案:D 此题得分:2.5分4.(2.5分)–Do you enjoy your food? --___________.•A、Thank you.•B、I’d like a cup of tea.•C、Yes, they’re delicious.•D、OK.我的答案:C 此题得分:2.5分5.(2.5分)–What can I do for you? --__________.•A、Hello.•B、I want to buy this book.•C、Thank you.•D、Nice to meet you.我的答案:B 此题得分:2.5分6.(2.5分)Iron expands when____ .•A、heat•B、hot•C、heated•D、is hot我的答案:C 此题得分:2.5分7.(2.5分)—What did you think of Bellow’s new book? —I enjoyed ________ it.•A、to read•B、reading•C、to have read•D、the reading of我的答案:B 此题得分:2.5分8.(2.5分)—May I help you with some shoes, sir? —Yes. I’d like to try on those br own __________.•A、one•B、ones•C、two•D、pair我的答案:B 此题得分:2.5分9.(2.5分)—Shall I turn on the television? —No. I’d rather not ________ television t onight.•A、watching•B、to watch•C、watch•D、for watching我的答案:C 此题得分:2.5分10.(2.5分)—Have you seen the doctor? —No, but _________.•A、I go•B、I’m going to see•C、I go to see•D、I’m going to我的答案:D 此题得分:2.5分11.(2.5分)When you refuse an offer, you turn it _______.•A、away•B、out•C、down•D、off我的答案:C 此题得分:2.5分12.(2.5分)—Shall we take a walk before dinner? —Oh, yes, _______ is my favorite ti me of day.•A、the early evening it•B、in the early evening•C、the early of the evening•D、early evening我的答案:D 此题得分:2.5分13.(2.5分)—I doubt that the guard will allow you to enter. —I’m going in _______ __.•A、without his permitting•B、although he says•C、no matter what he says•D、despite his saying我的答案:C 此题得分:2.5分14.(2.5分)—This cake is delicious! —Well, at least it’s _______ the one I baked las t week.•A、as worse as•B、no worse than•C、as better than•D、not better as我的答案:B 此题得分:2.5分15.(2.5分)—Are you satisfied with her work, sir? —Not at all. It couldn’t be any __ _____.•A、better•B、best•C、worse•D、worst我的答案:C 此题得分:2.5分16.(2.5分)Many people have been ill with a strange disease these days, _______ we’d never heard of before.•A、one•B、that•C、it•D、this我的答案:A 此题得分:2.5分17.(2.5分)—May I go and play with Dick this afternoon, Mum? —No, you can’t go out _______ your work is being done.•A、before•B、until•C、as•D、the moment我的答案:C 此题得分:2.5分18.(2.5分)—Oh, my God! So many students are coming out. How can you ____ you r daughter? —That’s easy. My daughter is wearing a red skirt today.•A、get out•B、find out•C、take out•D、pick out我的答案:D 此题得分:2.5分19.(2.5分)I have no one __________ me, for I am a new comer here.•A、help•B、helping•C、to help•D、to have helped我的答案:C 此题得分:2.5分20.(2.5分)The engineers made two big plans for the dam, __________ was never put i n force.•A、one of them•B、which•C、one of which•D、every one of which我的答案:B 此题得分:2.5分21.(2.5分)—Oh, life is so boring! —Please don’t think so . I suppose you’ve co me to the point _______ a change is needed.•A、where•B、when•C、which•D、as我的答案:A 此题得分:2.5分22.(2.5分)——Tom, you are caught late again. ——Oh, __________.•A、not at all•B、just my luck•C、never mind•D、that’s all right我的答案:B 此题得分:2.5分23.(2.5分)I’ll do whatever I can _________ my English.•A、improve•B、to improve•C、improving•D、to improving我的答案:B 此题得分:2.5分24.(2.5分)We could see the water tower quite clearly from _____.•A、that we lived•B、where we lived in•C、where we lived•D、we lived我的答案:C 此题得分:2.5分25.(2.5分)I’ve been here for three weeks now, and _____ I’ve enjoyed myself.•A、so far•B、as far•C、by far•D、to now我的答案:A 此题得分:2.5分26.(2.5分)—Let’s go to a place _______ we can make a round—trip in one day? —What about one _______ we can climb and swim?•A、to which; where•B、where; where•C、where; in which•D、in which; where我的答案:A 此题得分:2.5分27.(2.5分)He _______ finding a taxi for me, even though I told him I lived nearby.•A、insisted that•B、insisted on•C、insisted at•D、insisted in我的答案:B 此题得分:2.5分28.(2.5分)Teenagers are warned to be careful when making friends online, because when you can’t see a person, they could be __________.•A、everybody•B、somebody•C、anybody•D、nobody我的答案:C 此题得分:2.5分29.(2.5分)You might as well expect a river to flow backward ____ us carrying out the plan.•A、than stop•B、as to stop•C、as stop•D、so as to stop我的答案:C 此题得分:2.5分30.(2.5分)There ____ no buses, we had to walk home after work yesterday.•A、was•B、were•C、being•D、had我的答案:C 此题得分:2.5分31.(2.5分)—Are there any English story-books for us students in the library? —There are only a few, _______________.•A、if any•B、if some•C、if many•D、if much我的答案:A 此题得分:2.5分32.(2.5分)—Why not take my car to the museum instead of walking? —No, thank s. ____.•A、I' m used to•B、I’m able to•C、I' m about to•D、I' ve got to我的答案:A 此题得分:2.5分33.(2.5分)________had the worker who was badly injured in that accident stopped br eathing and died________ doctors arrived.•A、Almost; when•B、Hardly; when•C、Not; until•D、Hardly; before我的答案:B 此题得分:2.5分34.(2.5分)The employers often give the job to _______ they believe have work experi ence with a strong sense of duty.•A、whoever•B、whomever•C、who•D、those who我的答案:D 此题得分:2.5分35.(2.5分)Can you tell me _____ room she lives in?•A、that•B、how•C、why•D、which我的答案:D 此题得分:2.5分36.(2.5分)______ he entered the university, his English has been much improved.•A、Before•B、After•C、When•D、Since我的答案:D 此题得分:2.5分37.(2.5分)I wrote those words down _____ I should forget.•A、who•B、how•C、since•D、lest我的答案:D 此题得分:2.5分38.(2.5分)Not one of us has a clear idea _______ to do.•A、what the others want•B、that the others want•C、which do the others want•D、what do the others want我的答案:A 此题得分:2.5分39.(2.5分)It is a common observation ______ there are no two objects in nature that are exactly alike.•A、that•B、in that•C、which•D、in which我的答案:A 此题得分:2.5分40.(2.5分)We have learned ____ the rocks on the moon are 3500 million years ago.•A、how•B、which•C、that•D、what我的答案:C 此题得分:2.5分。
中国石油大学(北京)英语1-3次在线作业答案第一次作业第1题– hello. may i speak to mary?-- _________您的答案:B题目分数:此题得分:批注:电话用语,常直接说,speaking,意思是我就是,您请讲。
第2题– Can I talk with Mr. Wang? --___________您的答案:A题目分数:此题得分:批注:打电话常用语。
第3题–I’d like to speak to Je ssie, please.--___________您的答案:C题目分数:此题得分:批注:打电话常用语。
hold on 意思是请别挂断,稍等。
第4题She wanted to go boating with Jack, but her fatherwarned her ________.您的答案:C题目分数:此题得分:批注:warn一词要求后用不定式,warn sb. to do sth.劝某人做某事,否定形式为warn sb. not to do sth. 劝某人不要做某事第5题Her English is very good. She can speak English better than _________ in her grade.您的答案:C题目分数:此题得分:批注:anyone else 其他任何人第6题They usually have less money at the end of the month than _______ at the beginning.您的答案:C题目分数:此题得分:批注:注意比较的对象,是他们有钱的情况第7题Iron expands when____ .您的答案:C题目分数:此题得分:批注:当when 引导的时间状语中的主语与句子的主语一致时,主语和be动词都可以省略。
Iron expands when it is heated.第8题All the people here, whether ______, will get a present.您的答案:B题目分数:此题得分:批注:wheather...or... 的用法第9题If you_________, I’ll buy the tickets.您的答案:A题目分数:此题得分:批注:从句意来判断第10题This is one of the oldest buildings in town, ___________.您的答案:A题目分数:此题得分:批注:这是镇上最老的建筑之一,如果不是最好的话。
×第三次在线作业单选题 (共40道题)展开收起1.(2.5分)You will be welcomed no matter ______ you come.∙A、where∙B、who∙C、how∙D、when我的答案:D 此题得分:2.5分2.(2.5分)The radio set _____ has gone out of order.∙A、I bought it for her∙B、I bought for her∙C、which I bought it for her∙D、what I bought for her我的答案:B 此题得分:2.5分3.(2.5分)All ____ they have done is good for you.∙A、what∙B、which∙C、why∙D、that我的答案:D 此题得分:2.5分4.(2.5分)The audience, _______, enjoyed the performance verymuch.∙A、most of them were students∙B、most of which were students∙C、most of whom being students∙D、most of whom were students我的答案:D 此题得分:2.5分5.(2.5分)The old tradition will surely die out, _______ is a natural rule.∙A、which∙B、what∙C、where∙D、thus我的答案:A 此题得分:2.5分6.(2.5分)–What kind of room do you want? -- _____.∙A、Room 1.∙B、I have no idea.∙C、I want a single room.∙D、I’m sorry.我的答案:C 此题得分:2.5分7.(2.5分)This is the most exciting film ____ I have ever seen.∙A、which∙B、that∙C、as∙D、since我的答案:B 此题得分:2.5分8.(2.5分)The manager will not _________ us to use his car.∙B、let∙C、agree∙D、allow我的答案:D 此题得分:2.5分9.(2.5分)–I really enjoyed the concert. -- _______.∙A、What will you do tomorrow?∙B、I’m glad to hear that.∙C、It’s my pleasure.∙D、I’m sorry to hear that.我的答案:B 此题得分:2.5分10.(2.5分)The residents, _______ had been damaged by the flood, were given help by the Red Cross.∙A、all their homes∙B、all whose homes∙C、all of whose homes∙D、all of their homes我的答案:C 此题得分:2.5分11.(2.5分)I watched him ______ he disappeared from sight in the distance.∙A、as long as∙B、until∙C、as∙D、when我的答案:B 此题得分:2.5分12.(2.5分)The reason ______ he did that was unacceptable.∙A、why∙C、as∙D、since我的答案:A 此题得分:2.5分13.(2.5分)_______ these honours he received a sum of money.∙A、Except∙B、But∙C、Besides∙D、Outside我的答案:C 此题得分:2.5分14.(2.5分)The more I looked at the painting, ____________.∙A、the more I liked it∙B、I liked it more∙C、more I liked it∙D、it looked better我的答案:A 此题得分:2.5分15.(2.5分)They decided to chase the cow away ________ it didmore damage.∙A、although∙B、before∙C、until∙D、unless我的答案:B 此题得分:2.5分16.(2.5分)______ had Jane reached school than the bell rang.∙A、No sooner∙B、Only∙C、Hardly∙D、No matter when17.(2.5分)She is the very person _____ we are looking for.∙A、who∙B、that∙C、whom∙D、which我的答案:B 此题得分:2.5分18.(2.5分)He had to borrow a little money from his aunt ________ he could finish his education without working.∙A、when∙B、only∙C、so that∙D、in order to我的答案:C 此题得分:2.5分19.(2.5分)______ the weather was fine, I opened all the windows.∙A、As∙B、Because of∙C、For∙D、With我的答案:A 此题得分:2.5分20.(2.5分)Some of the stars are ______ far away _______ it is impossible for us to measure them.∙A、such…that∙B、so… that∙C、too… that∙D、too…enough21.(2.5分)–What else do you want? -- ___________.∙A、Nothing else.∙B、I’m fine.∙C、What do you want?∙D、It doesn’t matter.我的答案:A 此题得分:2.5分22.(2.5分)–Excuse me, where can I check out? -- ____________.∙A、At the reception desk.∙B、You’re welcome.∙C、Nice to see you.∙D、When you are ready.我的答案:A 此题得分:2.5分23.(2.5分)The scientists have worked out a method _______ theagricultural production could be raised on a large scale.∙A、which∙B、of which∙C、by which∙D、for which我的答案:C 此题得分:2.5分24.(2.5分)–Have you made a reservation? -- ____________.∙A、Yes, I have.∙B、I did.∙C、Yes, I will.∙D、Thank you.我的答案:A 此题得分:2.5分25.(2.5分)The period _________ people learned to melt iron is called the Iron Age.∙A、when∙B、that∙C、during which∙D、what我的答案:C 此题得分:2.5分26.(2.5分)The sun warms the earth, _______ makes it possible for plant to grow.∙A、that∙B、which∙C、what∙D、where我的答案:B 此题得分:2.5分27.(2.5分)The stock ______ in value should be sold.∙A、which has not increased∙B、has not increased∙C、who has not increased∙D、not been increased我的答案:A 此题得分:2.5分28.(2.5分)I have been looking forward to ____ from my parents.∙A、hear∙B、being heard∙C、be heard∙D、hearing我的答案:D 此题得分:2.5分29.(2.5分)–What do you think of this concert? -- ________.∙A、I don’t think so.∙B、I think so.∙C、I think it’s terrific.∙D、I think it is.我的答案:C 此题得分:2.5分30.(2.5分)A police officer claimed he had attempted to ____ paying his fare.∙A、avoid∙B、reject∙C、refuse∙D、neglect我的答案:A 此题得分:2.5分31.(2.5分)He was punished ________ he should make the samemistake again.∙A、unless∙B、if∙C、lest∙D、provided我的答案:C 此题得分:2.5分32.(2.5分)He studied hard and later become a famous writer,________ his father had expected.∙A、that was what∙B、it is what∙C、which was what∙D、and which was我的答案:C 此题得分:2.5分33.(2.5分)Will you please show me the girl ______ name is Wang Ping.∙A、her∙B、who’s∙C、whose∙D、which我的答案:C 此题得分:2.5分34.(2.5分)Jane' s dress is similar in design ___her sister' s.∙A、like∙B、with∙C、to∙D、as我的答案:C 此题得分:2.5分35.(2.5分)There was such a long line ______ we had to wait forabout half an hour.∙A、as∙B、that∙C、so∙D、unless我的答案:B 此题得分:2.5分36.(2.5分)–Can I help you? --__________.∙A、I want that blue dress.∙B、OK.∙C、That’s OK.∙D、I can help you.我的答案:A 此题得分:2.5分37.(2.5分)More plants need air _______ they need water.∙A、just as∙B、as long as∙C、as though∙D、even if我的答案:A 此题得分:2.5分38.(2.5分)_________ we keep on learning English, we can use itfreely.∙A、No matter how∙B、Each time∙C、Just as∙D、As long as我的答案:D 此题得分:2.5分39.(2.5分)Is this the restaurant _____ during the summer vacation?∙A、for which you have worked∙B、in which you worked∙C、which you have worked on∙D、where you worked in我的答案:B 此题得分:2.5分40.(2.5分)When reading, make marks _______ you have questions.∙A、that∙B、which∙C、where∙D、who我的答案:C 此题得分:2.5分。
中国石油大学北京网络学院
离散数学-第三次在线作业
参考答案
1.(
2.5分)不能再分解的命题称为原子命题,至少包含一个联结词的命题称为复合命题
正确
错误
我的答案:正确此题得分:2.5分
2.(2.5分)命题是能够表达判断(分辩其真假)的陈述语句
正确
错误
我的答案:正确此题得分:2.5分
3.(2.5分)一个命题可赋予一个值,称为真值
正确
错误
我的答案:正确此题得分:2.5分
4.(2.5分)复合命题是由连结词、标点符号和原子命题复合构成的命题
正确
错误
我的答案:正确此题得分:2.5分。
中国石油大学远程教育石油工程在线作业第一阶段在线作业答案第1题采油工程渗流形态指的是井筒多相流您的答案:错误题目分数:0.5此题得分:0.5批注:渗流形态还包括油层中的渗流第2题采油工程就是研究从油井井底到地面这一过程规律的科学您的答案:错误题目分数:0.5此题得分:0.5批注:还包括从地面注入井下这一过程第3题采油工程目标就是有效提高油井产量和采收率您的答案:正确题目分数:0.5此题得分:0.5批注:这是大的目标第4题IPR曲线表示产量与井底流压关系的曲线您的答案:正确题目分数:0.5此题得分:0.5批注:也叫流入动态曲线第5题采油指数是指单位生产压差下的日产油量您的答案:正确题目分数:0.5此题得分:0.5批注:可做为井与井之间的对比第6题油井流入动态曲线基本形状与油藏驱动类型无关您的答案:错误题目分数:0.5此题得分:0.5批注:理解驱动能量对生产的影响第7题井底流压是流体沿井筒向上流动的唯一动力您的答案:错误题目分数:0.5此题得分:0.5批注:还有油气的弹性能量的释放第8题单相流动时的IPR曲线为直线,其斜率的负倒数是采油指数您的答案:正确题目分数:0.5此题得分:0.5批注:理解采油指数的定义第9题当井底压力高于泡点压力时,IPR曲线为直线您的答案:正确题目分数:0.5此题得分:0.5批注:为单相液流,渗流为线性流第10题沃格尔方程是用来解决油气两相渗流时的一种方法您的答案:正确题目分数:0.5此题得分:0.5批注:是通过试验得到的重要规律第11题当井底压力低于饱和压力时,油藏渗流为油气两相流您的答案:正确题目分数:0.5此题得分:0.5批注:有气析出,自然会是油气两相流第12题当油气水三相时计算IPR曲线采用含水率加权法您的答案:正确题目分数:0.5此题得分:0.5批注:是一种比较简单实用的方法第13题多层油藏同时开采时,注入水较难均匀推进,影响各层生产您的答案:正确题目分数:0.5此题得分:0.5批注:分层开采的意义第14题多相流在垂直井筒中流动时严格分为五种形态您的答案:错误题目分数:0.5此题得分:0.5批注:有时流动形态不是区分太明显第15题滑脱现象的产生是气液两相的密度差异造成的您的答案:错误题目分数:0.5此题得分:0.5批注:不同流动速度和密度共同造成第16题滑脱现象不在泡流中产生,而是在环流中产生您的答案:错误题目分数:0.5此题得分:0.5批注:泡流中就已经产生第17题多相管流压力分布计算按深度增量计算是给定压差计算深度您的答案:正确题目分数:0.5此题得分:0.5批注:多次运算后得到压力分布第18题油井自喷产生的条件是总压力损失小于油藏能量您的答案:正确题目分数:0.5此题得分:0.5批注:意思是油藏能量足以把油举到地面第19题临界流动是流体的流速达到压力波在流体介质中的传播速度时的流动状态您的答案:正确题目分数:0.5此题得分:0.5批注:临界流动是计算油嘴参数的重要参数第20题油井自喷的主要动力是岩石压力您的答案:错误题目分数:0.5此题得分:0.5批注:是井底渗压第21题为了稳定生产有油嘴系统的设计要求嘴流可不用达到临界流动条件您的答案:错误题目分数:0.5此题得分:0.5批注:必须达到临界流动第22题若不安排气举阀则气举启动会有很大的启动压力您的答案:正确题目分数:0.5此题得分:0.5批注:为了减轻气启的动力才设计的气举阀第23题气举的能量来源主要是气体的膨胀能您的答案:正确题目分数:0.5此题得分:0.5批注:气体压缩注入管鞋,压力降低弹性能量释放第24题气举的方式可分为连续气举和间歇气举两种您的答案:正确题目分数:0.5此题得分:0.5批注:从能量补充角度来考虑第25题气举阀的作用是逐步排出油套环形空间的液体,降低启动压力您的答案:正确题目分数:0.5此题得分:0.5批注:与气举阀作用一样第26题采油工程渗流形态有哪些您的答案:A,B,D,E题目分数:0.5此题得分:0.5批注:考查采油工程的工作范围,自油层到地面的流动过程第27题自喷采油时主要的天然能量有哪些您的答案:A,B,C,D,E题目分数:0.5此题得分:0.5批注:从油藏受弹性力\重力\水压力等方面出发找能量第28题采油工程是下列哪些内容的总称您的答案:A,B,C,D题目分数:0.5此题得分:0.5批注:采油工程不仅包括采油井,还包括注水井,以及通过它们对油层的各种措施第29题机械采油包括哪些方式您的答案:A,C,D,E题目分数:0.5此题得分:0.5批注:地层能量不足以把油驱到井口,需加入人工能量的采油第30题采油工程任务主要有您的答案:A,B,C,D题目分数:0.5此题得分:0.5批注:理解采油工程的定义后即可得答案第31题IPR曲线的影响因素有您的答案:A,B,C,D题目分数:0.5此题得分:0.5批注:IPR曲线是反映油藏向井底供液能力大小的特征曲线,与之相关的都应包括在内第32题IPR曲线的作用有您的答案:A,B,C,D,E题目分数:0.5此题得分:0.5批注:理解IPR曲线的特征含义即可得第33题井口装置结构主要由哪些组成您的答案:A,B,D题目分数:0.5此题得分:0.5批注:井口装置的构成第34题自喷井系统构成有哪些您的答案:A,B,C,D,E题目分数:0.5此题得分:0.5批注:了解自喷井的结构第35题多相流在油井流动形态有您的答案:A,B,C,D,E题目分数:0.5此题得分:0.5批注:油从井底到井口压力与温度要下降,气要析出,气大小不同流动形态不同第36题影响多相管流流形的因素主要有您的答案:C,D,E题目分数:0.5此题得分:0.5批注:与流动形态相结合更好第37题多相管流能量损失主要有您的答案:A,C,D题目分数:0.5此题得分:0.5批注:能量守恒与质量守恒第38题油井自喷压力总损失包括您的答案:B,C,D,E题目分数:0.5此题得分:0.5批注:结合自喷井工作原理第39题分层开采的意义您的答案:A,B,C,D,E题目分数:0.5此题得分:0.5批注:理解分层开采的问题第40题气举的适用情况为您的答案:A,B,C,D题目分数:0.5此题得分:0.5批注:气举需要高压地面管汇,气藏具有较高能量等作业总得分:20.0作业总批注:中国石油大学远程教育石油工程在线作业第二阶段在线作业答案第1题抽油机是将电动机的高速旋转运动变成抽油杆的快速往复运动您的答案:错误题目分数:0.5此题得分:0.5批注:慢速往复运动第2题链条式和皮带式抽油机都属于无游梁抽油机您的答案:正确题目分数:0.5此题得分:0.5批注:没有游梁第3题从检泵方便程度考虑筒式泵优于杆式泵您的答案:错误题目分数:0.5此题得分:0.5批注:杆式泵优于管式泵第4题从可供产量调节范围考虑杆式泵优于管式泵您的答案:错误题目分数:0.5此题得分:0.5批注:管式泵优于杆式泵第5题沉没度是指抽油泵的吸入阀与静液面之间的相对高度您的答案:错误题目分数:0.5此题得分:0.5批注:与动液面的相对高度第6题柱塞上冲程过程中游动阀打开,固定阀关闭您的答案:错误题目分数:0.5此题得分:0.5批注:要充分理解泵的工作原理第7题柱塞下冲程过程中液柱载荷作用于油管您的答案:正确题目分数:0.5此题得分:0.5批注:要理解悬点所受载荷第8题抽油机悬点运动规律可简化为简谐运动也可简化为曲柄滑块运动您的答案:正确题目分数:0.5此题得分:0.5批注:悬点运动简化有利于分析第9题悬点在上冲程中到上死点时加速度最大,方向向上您的答案:错误题目分数:0.5此题得分:0.5批注:方向向下第10题上冲程中沉没压力对悬点载荷没有影响您的答案:错误题目分数:0.5此题得分:0.5批注:有影响是动力第11题井口回压在下冲程中减少抽油杆柱悬点载荷您的答案:正确题目分数:0.5此题得分:0.5批注:正确第12题悬点最大载荷发生在上冲程您的答案:正确题目分数:0.5此题得分:0.5批注:提液冲程第13题上下冲程中悬点载荷不同是设计抽油机平衡的主要原因您的答案:正确题目分数:0.5此题得分:0.5批注:抽油机平衡就是因为上下载荷不同第14题抽油机平衡原理是上冲程储存能量,下冲程应用储存的能量作功您的答案:错误题目分数:0.5此题得分:0.5批注:下种程储存能量,上冲程作功第15题所谓冲程损失是指明光杆冲程和活塞冲程之和您的答案:错误题目分数:0.5此题得分:0.5批注:应该为之差第16题抽油泵的泵效是指在抽油井生产过程中理论产量与实际产量的比值您的答案:错误题目分数:0.5此题得分:0.5批注:实际产量与理论产量比值第17题油管锚的作用是将油管柱的上端固定,减小冲程损失您的答案:错误题目分数:0.5此题得分:0.5批注:是下端固定第18题选择油井工作制度的原则是长冲程、低冲数、小泵径及较小的下泵深度您的答案:错误题目分数:0.5此题得分:0.5批注:应该为合理的下泵深度第19题抽油机井示功图是载荷随位移的变化关系曲线所构成的封闭曲线图您的答案:正确题目分数:0.5此题得分:0.5批注:是描述载荷运动规律的有交效方法第20题气体和充不满时的典型示功图为刀把形您的答案:正确题目分数:0.5此题得分:0.5批注:气体受压缩,泵内压力不能迅速提高,使排出阀滞后打开,卸载变慢。
第三次在线作业单选题(共40道题)收起1.(2.5分)--How about taking a break?--______.•A、Thank you•B、Good idea•C、See you•D、Good-bye我的答案:B 此题得分:2.5分2.(2.5分)Seldom ____ any mistakes during my past few years of working here.•A、would I make•B、did I make•C、I did make•D、shall I make我的答案:B 此题得分:2.5分3.(2.5分)Not until all the fish died in the river, _____ how serious the pollution was.•A、did the villagers realize•B、the villagers realized•C、the villagers did realize•D、didn’t the villagers realize我的答案:A 此题得分:2.5分4.(2.5分)--I just got promoted to sales manager. -- __________•A、When?•B、How could you?•C、Congratulations!•D、That' s good我的答案:C 此题得分:2.5分5.(2.5分)I have been to the doctor’s about my headache. He says there is_____ butI must lie up for a few days.•A、something serious•B、anything serious•C、not serious•D、nothing serious我的答案:D 此题得分:2.5分6.(2.5分)He is ______ of an actor.•A、anybody•B、anyone•C、somebody•D、something我的答案:D 此题得分:2.5分7.(2.5分)I don’t drink ______ water during the day.•A、a few•B、much•C、little•D、lots of我的答案:B 此题得分:2.5分8.(2.5分)_______ have visited the famous scientist.•A、Both the students•B、Both of them•C、Both of students•D、Both they我的答案:B 此题得分:2.5分9.(2.5分)_____do you think of the new plan?•A、How•B、Why•C、What•D、Which我的答案:C 此题得分:2.5分10.(2.5分)It was______that came here at midnight.•A、him•B、them•C、her•D、they我的答案:D 此题得分:2.5分11.(2.5分)She amused______ by listening to light music.•A、herself•B、her•C、sheself•D、himself我的答案:A 此题得分:2.5分12.(2.5分)It is ______ that I would like to go to the beach.•A、so nice weather•B、such nice weather•C、so nice a weather•D、such a nice weather我的答案:B 此题得分:2.5分13.(2.5分)We arrived ______ Professor Baker had already called the roll.•A、so lately that•B、as late that•C、so later that•D、so late that我的答案:D 此题得分:2.5分14.(2.5分)_____ anywhere in the United States costs less than a dollar when you dial it yourself.•A、Three-minute call•B、A three-minutes call•C、A three-minute call•D、A three-minutes-call我的答案:C 此题得分:2.5分15.(2.5分)the photographs of mars taken by satellite are ______ taken from the earth.•A、clearest than those•B、clearer than that•C、much clear than those•D、much clearer than those我的答案:D 此题得分:2.5分16.(2.5分)The harder the shrub is to grow, ______.•A、the more higher price it•B、the higher price it is•C、the higher the price is•D、the higher is the price我的答案:C 此题得分:2.5分17.(2.5分)Once you ______ the knack of it, you will have no further difficulty.•A、shall have•B、had had•C、are having•D、have我的答案:D 此题得分:2.5分18.(2.5分)----Shall we go skating or stay at home?---Which___ do?•A、do you rather•B、would you rather•C、will you rather•D、should you rather我的答案:B 此题得分:2.5分19.(2.5分)When we worked in the same office, we ______ often have coffee together.•A、would•B、should•C、could•D、ought to我的答案:A 此题得分:2.5分20.(2.5分)Be careful,_______you’ll fall from the mountain.•A、or•B、for•C、but•D、if我的答案:A 此题得分:2.5分21.(2.5分)The men will have to wait all day ______ the doctor works faster.•A、if•B、whether•C、unless•D、that我的答案:C 此题得分:2.5分22.(2.5分)_____ you have to do is press the button.•A、All that•B、Which•C、That•D、How我的答案:A 此题得分:2.5分23.(2.5分)He had no sooner finished his speech_______ he left.•A、when•B、than•C、then•D、and我的答案:B 此题得分:2.5分24.(2.5分)The mere fact______ most people believe nuclear war would be madness d oes not mean that it will not occur.•A、what•B、which•C、that•D、why我的答案:C 此题得分:2.5分25.(2.5分)He explained everything over again ______ anyone should misunderstand h er.•A、since•B、when•C、lest•D、as if我的答案:C 此题得分:2.5分26.(2.5分)I was born _______ .•A、in Oct.9,1996•B、in 1996, Oct.9•C、on Oct.9, 1996•D、on 1996, Oct.9我的答案:C 此题得分:2.5分27.(2.5分)We have produced ______ this year as we did in 1993.•A、as much cotton twice•B、as twice much cotton•C、much as twice cotton•D、twice as much cotton我的答案:D 此题得分:2.5分28.(2.5分)About ______ of the workers in that factory are women.•A、third-fifths•B、three-fifths•C、three-fives•D、three-fifth我的答案:B 此题得分:2.5分29.(2.5分)We are going to study ______ next week.•A、Lesson Eleven•B、Lesson Eleventh•C、even Lesson•D、the lesson Eleventh我的答案:A 此题得分:2.5分30.(2.5分)The Olympic Games are held ______.•A、every four years•B、every four year•C、every fourth years•D、every four-years我的答案:A 此题得分:2.5分31.(2.5分)It took me _____ day to finish drawing a beautiful horse.•A、a half•B、half a•C、halves•D、half我的答案:B 此题得分:2.5分32.(2.5分)You can find him in _____ .•A、Room 1056•B、1056 Room•C、the Room 1056•D、the 1056 Room我的答案:A 此题得分:2.5分33.(2.5分)Three students ______ in this university come from the South.•A、of ten•B、out of in ten•C、out of ten•D、in tens我的答案:C 此题得分:2.5分34.(2.5分)He said that he dropped his bag when he ______ for the bus.•A、was runing•B、was running•C、were running•D、is running我的答案:B 此题得分:2.5分35.(2.5分)He ______ live in the country than in the city.•A、prefers•B、likes to•C、had better•D、would rather我的答案:D 此题得分:2.5分36.(2.5分)Collecting stamps______ a good hobby.•A、is•B、are•C、being•D、was我的答案:A 此题得分:2.5分37.(2.5分)You had better ______ your hair cut.•A、had•B、have•C、to get•D、to have我的答案:B 此题得分:2.5分38.(2.5分)–Will you have supper with me tonight? -- _________.•A、I don’t think so.•B、That’s not good.•C、No.•D、Sorry. I have a prior appointment.我的答案:D 此题得分:2.5分39.(2.5分)–Do you mind if I sit here? -- _________.•A、I don’t know.•B、Maybe.•C、It doesn’t matter.文档从网络中收集,已重新整理排版.word 版本可编辑.欢迎下载支持.11word 版本可编辑.欢迎下载支持.• D 、Not at all.我的答案:D 此题得分:2.5分40.(2.5分) --Don't forget to come to my birthday party tomorrow.--____________•A 、I don't •B 、I won't •C 、I can't •D 、I haven't我的答案:B 此题得分:2.5分。
第三阶段在线作业单选题 (共20道题)收起1.(2.5分) 以下关于VPN 说法正确的是∙A 、VPN 指的是用户自己租用线路,和公共网络物理上完全隔离的、安全的线路∙B 、VPN 指的是用户通过公用网络建立的临时的、逻辑隔离的、安全的连接∙C 、VPN 不能做到信息认证和身份认证∙ D 、VPN 只能提供身份认证、不能提供加密数据的功能我的答案:B 此题得分:2.5分2.(2.5分) 针对下列各种安全协议,最适合使用外部网VPN 上,用于在客户机到服务器的连接模式的是∙A 、Ipsec∙B 、PPTP∙C 、SOCKSv5∙ D 、L2TP我的答案:C 此题得分:2.5分3.(2.5分) 如果VPN 网络需要运行动态路由协议并提供私网数据加密,通常采用什么技术手段实现( )∙A 、GRE∙B 、GRE+IPSEC∙C 、L2TP∙ D 、L2TP +IPSEC我的答案:B 此题得分:2.5分4.(2.5分) 以下不属于VPN 的安全保证技术的是∙A、证书技术∙B、隧道技术∙C、加解密技术∙D、密钥管理技术我的答案:A 此题得分:2.5分5.(2.5分)属于第二层的VPN隧道协议有()。
∙A、IPSec∙B、PPTP∙C、GRE∙D、以上皆不是我的答案:B 此题得分:2.5分6.(2.5分)GRE协议()。
∙A、既封装,又加密∙B、只封装,不加密∙C、不封装,只加密∙D、不封装,不加密我的答案:B 此题得分:2.5分7.(2.5分)IPSec协议和()VPN隧道协议处于同一层。
∙A、PPTP∙B、L2TP∙C、GRE∙D、以上皆是我的答案:C 此题得分:2.5分8.(2.5分)下列协议中,()协议的数据可以受到IPSec的保护。
∙A、TCP、UDP、IP∙B、ARP∙C、RARP∙D、以上皆可以我的答案:A 此题得分:2.5分9.(2.5分)哪一个是PKI体系中用以对证书进行访问的协议()?∙A、SSL∙B、LDAP∙C、CA∙D、IKE我的答案:B 此题得分:2.5分10.(2.5分)( )是通过使用公开密钥技术和数字证书等来提供网络信息安全服务的基础平台。