Unit 3 The world of science 重点语法Grammar 现在完成时的被动语态-2022-2023学年高一英语必修第三册单元重难点易错题精练（外研版2019）.docx

1、班级 姓名 学号 分数 Unit 3 The world of science现在完成时的被动语态（时间：60分钟，满分：60分）一、单项选择(本大题共30小题，每小题1分，共30分)1Up to now, more than one high-rise building _ around our city, making it bigger.Ahave been builtBare being builtChas been builtDis being built2Festivals and celebrations of all kinds _ everywhere since ancie

2、nt times.AholdBheldCwould holdDhave been held3Great discoveries _ in space exploration in the last few decades.Awere madeBhave madeCare madeDhave been made4The building _ since you _.Ahas constructed; have leftBconstructed; leftChas been constructed; leftDhas been constructed; have left5All the prep

3、arations for the task _, and were ready to start.AcompletedBcompleteChad been completedDhave been completed6We are glad to be told that Li Tao _ to Fudan University for his top score in the Maths Contest.Ais admittedBhas been admittedCwas being admittedDwas admitted7It is said that this tradition_ f

4、or around 1,000 years.Ais preservedBhas been preservedChas preservedDwill be preserved8Up to now large quantities of money _ to help those suffering from the floods.Ahave collectedBhas been collectedChave been collectedDwill have collected9Delete the short message at once! Many a man _by such tricks

5、 so far.Aare cheatedBis cheatedChas been cheatedDhave been cheated10He is the only one of the students who _elected.AareBhavebeenChasbeenDis being11The living conditions _ by the country in the past ten years.Ahave been improvedBwere improvedCare improvedDhave improved12Great discoveries _in space e

6、xploration since the last century.Awas madeBmadeChas madeDhave been made13The construction of the two new railway lines _ by now.Ahas completedBhave completedChave been completedDhas been completed14Linda，the phone in your office cant be connected all the time. Why?Oh，sorry，Miss Miles. The service_s

7、ince last Wednesday.Ahas been stoppedBhas stoppedCwas stoppedDhad stopped15Currently, an online bus-pooling service _ by the public transport authority in Beijing.Ais builtBis being builtChas been builtDwas built16- _ the sports meet might be put off. - Yes, it all depends on the weather.AIve been t

8、oldBIve toldCIm toldDI told17Although many measures _, the worlds economy is still going down.Awere takenBare takenCwill be takenDhave been taken18My brother wants to buy that kind of computer because he_ that it works well.Awas toldBhas toldChad been toldDhas been told19- Excuse me, sir, can I take

9、 this road to Tianjin Railway Station? - Sorry, youd better not. A bridge to it _ at the moment.Ais being repairedBhas been repairedCwill be repairedDis repaired20More than a new invention like 3D printers _to make replacement hearts and bone parts in the past few years.Ais being usedBare being used

10、Chas been usedDhave been used21Three-fourths of the homework _.Ahas finishedBhas been finishedChave finishedDhave been finished22This famous play Hamlet _ into at least ten different films over the past years.Ahas been madeBhas madeCis madeDwas made23Peoples lives _recently.Ahave changedBhave been c

11、hangedCchangedDare changing24A new technology combining 5G and facial recognition _ into use in Beijing Daxing International Airport since September 2019.AputBwas putChas putDhas been put25I got caught in the rain and my suit_.Ahas ruinedBhas been ruinedChad ruinedDhad been ruined26Do you know the t

12、hief _ by the police？Ahas caughtBhas been catchingCwas caughtDhas been caught27It is the first time that such a grand military parade_ in china.Ais heldBhas been heldChad been heldDwas held28When and how to restore daily life_yet.Ahas not been decided Bare not decidedCis not decidedDhave not decided

13、29Many a house_in the powerful earthquake so far, so the homeless survivors have to stay in tents for the time being.Awas damagedBwere damagedChas been damagedDhave been damaged30Huge quantities of fresh water _ there since the serious drought in the southern parts of china.Ahave sentBhas sentChas b

14、een sentDhave been sent二、用单词的适当形式完成句子(本大题共30小题，每小题1分，共30分)31Tom as well as two of his friends_(invite) to the party so far.32Wildlife _ (threat) greatly by human expansion in the last few years. 33He _(recognize) as a role model since he entered senior high school. 34This keyboard _ (not use) for a

15、long time. 35My father _ (employ) at this job since 1990.36This is one of the farthest places that _ (explore) so far in that country. 37So far, the system _ (update) for several times. 38A peaceable settlement _(reach) so far by the two sides. 39Many new houses _(build) in the past few years. 40Our

16、 facilities _ (enlarge), and our sports center is now bigger and better than ever before. 41Fifty percent of my task _ (do) so far. 42Alot of new methods_(apply) to solving problems in industry so far. 43So far, all the disturbing problems caused by the virus _ (solve). 44This is the second time you

17、 _ (ask) to give a lecture.45No permission _ (give) for anybody to enter the hall so far. 46All means _ (try) so far to contact him but in vain. 47You can use my computer to type the report because it _ (repair) already. 48It _ (prove) already that what he said the other day is true. 49These topics

18、_ (talk) about for a long time. 50Hes always been _(surround) by people who love and respect him deeply.51The song _ (sing) for many years, but we still like it. 52So far, large amounts of money _ (spend) on that big project. 53The new dictionaries are very useful. They sell well and _ (sell) out al

19、ready. 54Financial problems of the company _(discuss) for nearly two hours. 55In the last few years, many high-speed rail systems _ (build) in China. 56The report is really exciting that poverty relief work_（do）in China up to now. 57Ever since the organization was founded in 1998, as many as 800 mem

20、bers _ (admit).58Professor James will give us a lecture on the Western culture, but when and where_(not decide) yet.59Thousands of films_ (produce) all over the world in the last few years.60If Newton lived today, he would be surprised by what _(discover) in science and technology. 参考答案：1C【详解】考查时态语态

21、和主谓一致。句意：到目前为止，我们城市周围已经建造了不止一座高层建筑，使其变得更大。根据时间状语up to now可知，句子使用现在完成时，build与主语building 之间是被动关系，应用现在完成时的被动语态，且“more than one+单数可数名词”作主语时，谓语动词应用单数形式，即has been built。故选C项。2D【详解】考查时态和语态。句意：自古以来，各地都举行各种节日和庆祝活动。根据句意和句中“since ancient times”可知，句子应用现在完成，表示动作开始于过去，持续到现在，“hold”意为“举行”，动词词性，句子主语“Festivals and ce

22、lebrations of all kinds”和“hold”之间为被动关系，故句子应用现在完成时的被动语态，谓语动词为“have/has been done”，“Festivals and celebrations of all kinds”为复数形式，和“have”连用，“hold”的过去分词为“held”，故空格处应填“have been held”。故选D项。3D【详解】考查时态语态。句意：在过去的几十年里，在太空探索中有了重大的发现。由时间状语“in the last few decades”可知，空处谓语动词需用现在完成时态；动词make和主语discoveries之间是被动关系，

23、应用被动语态。故选D。4C【详解】考查时态。句意：自从你离开，这栋楼就已经被建造了。分析句子，since表示“自从”，引导时间状语从句，从句应用一般过去时，主句应用现在完成时，且construct与主语The building之间是被动关系，所以第一空应用现在完成时的被动语态，即has been constructed。故选C项。5D【详解】考查时态和语态。句意：这项任务的所有准备工作已经完成，我们准备开始了。由下文“were ready to start”可知，这项任务的所有准备工作已经完成，所以我们准备开始了，此处表示“完成”这个动作从过去开始持续到现在，对现在造成了影响，所以应用现在完成

24、时，且主语All the preparations for the task(这项任务的所有准备工作)和动词complete(完成)二者之间是被动关系，应用现在完成时的被动have/has been done，且主语是复数，complete的过去分词为completed，所以应用have been completed，故选D。 6B【详解】考查动词时态语态。句意：我们很开心得知李涛因为在数学竞赛中得了最高分被复旦大学录取了。分析句子结构以及句意可知，此处表示发生在过去的事情对现在产生影响，应用现在完成时，be admitted to.表示“被录取”，所以应用现在完成时的被动语态。故选B。7B【

25、详解】考查时态，语态和主谓一致。句意：据说这个传统已经保存了大约1000年。由“for around 1,000 years”可知，句子用现在完成时，这个传统是被保存，因此空格处是现在完成时的被动语态，has/have been done，主语tradition是单数，因此空格处是has been preserved，故选B。8C【详解】考查时态和语态。句意：到目前为止，已经筹集了大量的钱来帮助那些遭受水灾的人。根据时间状语Up to now可知，用现在完成时。主语 money为不可数名词，且与collect之间为被动关系，所以用被动语态。故选C。9C【详解】考查时态、语态和主谓一致。句意：立

26、即删除这条短消息!到目前为止，许多人都被这种把戏欺骗了。四个选项均表示“被欺骗”，A. are cheated一般现在时的被动语态，谓语动词为复数；B. is cheated一般现在时的被动语态，谓语动词为单数；C. has been cheated现在完成时的被动语态，谓语动词为单数；D. have been cheated现在完成时的被动语态，谓语动词为复数。根据本句中的“so far”可知，本句应使用现在完成时，主语为“Many a man”，谓语动词需用单数形式，即has，且主语与动词cheat之间构成被动关系，所以要用被动语态。故选C。10C【详解】考查动词时态及主谓一致。句意：他是

27、学生中唯一当选的。A.are是，一般现在时的复数形式；B.have been是，现在完成时复数形式；C.has been是，现在完成时第三人称单数形式；D.is being是，现在进行时。分析句子可知，缺少定语从句的部分谓语，结合句意可知，应该使用现在完成时，排除AD；先行词是the only one of the students，所以从句谓语动词用第三人称单数，用现在完成时的被动语态have/has been done，助动词用has符合题意。故选C。11A【详解】考查动词时态及语态。句意：在过去的十年里，生活条件得到了国家的改善。句子主语The living conditions和谓语动

28、词improve之间是被动关系，再根据时间状语in the past ten years可知，句子用现在完成时的被动语态。故选A。12D【详解】考查动词时态。句意：自上个世纪以来，太空探索取得了许多重大发现。根据时间状语since the last century可知，谓语动词应用现在完成时，表示过去开始的动作一直持续到现在，故排除AC两项；动词make和主语discoveries之间是被动关系，应用被动语态，排除C项。故选D项。13D【详解】考查现在完成时的被动语态和主谓一致。句意：到目前为止，两条新铁路线的建设已经完成。由by now可知，句子时态是现在完成时，construction是被

29、完成，因此空格处用现在完成时的被动语态，主语construction是不可数名词，因此空格处是has been completed，故选D。14A【详解】考查现在完成时的被动语态和主谓一致。句意：琳达，你办公室的电话总是打不通。为什么?哦，对不起，Miles小姐。这项服务从上周三就停止了。由since可知，句子时态是现在完成时，service是被停止，因此空格处用现在完成时的被动语态，主语service是单数，因此空格处是has been stopped，故选A。15C【详解】考查动词时态语态。句意：目前，北京公共交通部门已经开通了在线拼车服务。根据时间状语“Currently”可知，此处应该

30、用现在完成时；主语“an online bus-pooling service”和动词“build”之间为被动关系，故用现在完成时的被动语态，故选C。16A【详解】考查时态。-我被告知说运动会可能被推迟。-是的，要取决于天气。结合句意可知，主语I和tell之间为被动关系，且强调的是对现在造成的结果，要使用现在完成时的被动语态。故选择A项。17D【详解】考查动词时态和语态。句意：尽管很多措施已经被采取，世界经济仍然在下滑。根据主句“the worlds economy is still going down（世界经济仍旧在下滑）”可以知道，Although引导的从句应该表示很多措施已经被采用，表

31、示过去发生的事情对现在造成的影响和结果，用现在完成时，且主语measures和take是动宾关系，所以用现在完成时态的被动语态。故选D。18D【详解】考查动词时态及语态。句意：我弟弟想买那种电脑，因为他听说那种电脑很好用。该句是复合句，含because引导的原因状语从句；从句谓语动词tell和主语he之间是被动关系，动作先于主句谓语动词，表示到现在为止已经完成的动作，所以用现在完成时的被动语态，且从句主语he是单数第三人称，谓语动词用动词的第三人称单数形式。故选D。19A【详解】考查时态和语态。句意：对不起，先生，我可以走这条路去天津火车站吗?对不起，你最好不要。目前，通往它的一座桥正在修理。

32、A.is being repaired正在被修理（现在进行时的被动语态）； B.has been repaired已经被修理（现在完成时的被动语态）；C.will be repaired 将要被修理（将来进行时的被动语态）；D.is repaired被修理（一般现在时的被动语态）。根据上一句“youd better not”可知，路应该正在被修理。用现在进行时的被动语态。故选A。20C【详解】考查主谓一致，时态和被动。句意：在过去的几年里，不止一项像3D打印机这样的新发明被用来制作心脏和骨骼的替代品。A. is being used正在被使用（现在进行时被动，谓语单数）；B. are bein

33、g used正在被使用（现在进行时被动，谓语复数）；C. has been used已经被使用（现在完成时被动，谓语单数）；D. have been used已经被使用（现在完成时被动，谓语复数）。分析句子可知，句子主语为“More than a new invention(不只一项新发明)”，“more than one +名词”作主语时，谓语动词常用单数，遵循语法一致原则。且动词“use”与主语之间为被动关系，并结合时间状语“in the past few years”可知，应是现在完成时的被动，谓语使用单数形式，即has been done。故选C项。21B【详解】考查语态和主谓一致。句

34、意：四分之三的家庭作业已经被完成。主语homework和谓语动词finish之间是被动关系，应用被动语态，且homework是不可数名词，助动词应用has。故选B项。22A【详解】考查语态。句意：在过去几年里，这部著名的戏剧哈姆雷特至少被拍成了十部不同的电影。根据时间状语over the past years可知，空处谓语动词需用现在完成时态，因为表示被拍摄，所以空处谓语动词需用现在完成时态的被动语态：has/have been done。故选A。23B【详解】考查动词时态和语态。句意：人们的生活最近发生了变化。根据后文recently可知应用现在完成时，且主语与谓语动词构成被动关系，故用现在

35、完成时的被动语态，主语为lives，助动词用have。故选B。24D【详解】考查时态和语态。句意：自2019年9月以来，一项结合5G和人脸识别的新技术已在北京大兴国际机场投入使用。根据时间状语since September 2019可知，用现在完成时。句中主语A new technology与谓语put into use之间为被动关系，所以用被动语态。故选D。25B【详解】考查动词时态语态。句意：我被雨淋了，我的衣服毁了。结合上文“I got caught in the rain”可知动作发生在过去，对现在产生影响应用现在完成时，主语与谓语动词构成被动关系，用现在完成时的被动语态，主语为sui

36、t，助动词用has。故选B。26D【详解】考查动词时态语态。句意：你知道那个贼已经被警察抓住了吗？结合语境可知，表示过去发生的动作对现在产生的影响，应用现在完成时，且主语thief与谓语动词catch构成被动关系，故应用现在完成时的被动语态。故选D。27B【详解】考查现在完成时被动语态。句意：这是中国首次举行如此盛大的阅兵式。该句使用了固定句型：It is the +序数词 +time that + 主语 + 现在完成时，意为“这是第次做某事”，故该句应使用现在完成时，根据句意，主语“such a grand military parade(一场如此盛大的阅兵式)”与所设空处的实义动词“hol

37、d（举行）”之间为被动关系，因此填has been held，故选B。28A【详解】考查时态和语态和主谓一致。句意：何时以及如何恢复日常生活还没有决定。A. has not been decided还没被决定；B. are not decided没被决定；C. is not decided没被决定；D. have not decided还没决定。分析句子可知，设空处是句子谓语动词，结合语境和yet判断为现在完成时，when and how to restore daily life是“特殊疑问词+不定式”作主语，因为只有一个不定式，故看作第三人称单数，它和decide之间是被动关系，应用现在完

38、成时的被动语态，主语的单数，助动词用has。故选A项。29C【分析】【详解】考查动词的时态语态及主谓一致。句意：迄今为止，许多房屋已在这次烈性地震中被破坏，因此这些无家可归的人们只得暂时住在帐篷里。many a 修饰可数名词时，视为单数；so far做时间状语时，句子用现在完成时态；房屋在地震中被毁坏，damage是及物动词。由此可知，应该用现在完成时的被动语态，助动词使用has。故选C。【点睛】用些词或短语时间状语是明显的现在完成时标识，如此题中的so far。像这样的词还有：recently、up to now、since then、in/during the last/past few

39、years等。30D【详解】考查动词时态语态和主谓一致。句意：自从中国南方的严重干旱以来，大量的淡水被送往那里。根据“quantities of+可数名词复数+不可数名词”做主语，谓语动词用复数，故排除B、C选项；且根据后文since the serious drought in the southern parts of china可知应用现在完成时，且主语与谓语动词构成被动关系，故用现在完成时的被动语态，故排除A选项。综上，故选D。31has been invited【详解】考查动词和主谓一致。句意：到目前为止，汤姆和他的两个朋友都被邀请参加聚会了。根据时间状语so far可知，该句应为现

40、在完成时，结合主语Tom（as well as连接的两个主语，为就远原则，为离谓语动词较远的为作为主语考虑）和动词invite为被动关系可知，此处应为现在完成时的被动语态结构。故填has been invited。32has been threatened【详解】考查时态和语态。句意：在过去的几年里，野生动物受到人类扩张的严重威胁。空处在句中作谓语，所给词是名词，其动词形式为threaten(威胁)，由时间标志词in the last few years可知，“威胁”这一动作从过去开始持续到现在，用现在完成时，且主语wildlife与动词threaten二者是被动关系，应用现在完成时的被动，主

41、语wildlife是不可数名词，故填has been threatened。33has been recognized【详解】考查时态和语态。句意：自从他进入高中以来，他就被公认为榜样。句中since表示“自从”，引导时间状语从句，主句应用现在完成时，recognize与主语He之间是被动关系，应用现在完成时的被动语态，且主语是He，谓语动词应用第三人称单数形式has been recognized。故填has been recognized。34hasnt been used【详解】考查动词语态。句意：已经很长时间没用键盘了。根据时间状语for a long time可知，应用现在完成时；主

42、语与use之间为逻辑动宾关系，应用被动语态，This keyboard是单数，助动词使用has。故填hasnt been used。35has been employed【详解】考查时态和语态。句意：我父亲自1990年以来一直受雇于这份工作。根据时间状语since 1990可知，句子应用现在完成时，employ与主语My father之间是被动关系，应用现在完成时的被动语态，主语My father是单数，谓语动词应用第三人称单数形式。故填has been employed。36have been explored【详解】考查现在完成时的被动语态。句意：这是那个国家到目前为止所探索过的最远的地方

43、之一。分析句子可知，that引导的是一个限制性定语从句，代替先行词places，根据状语so far可知，空处谓语动词应填现在完成时，且与主语places之间为被动关系，还要与其保持主谓一致，用复数，所以填have been explored，表示“已经被探索”。故填have been explored。37has been updated【详解】考查时态语态。句意：到目前为止，系统已经进行了多次更新。主语与谓语构成被动关系，应用被动语态；根据so far可知，应用现在完成时，主语为system，助动词用has。故填has been updated。38has been reached【详解】

44、考查现在完成时的被动语态和主谓一致。句意：到目前为止，双方已达成和平解决办法。根据“so far”可知，此处应用现在完成时。动词reach意为“达成”，和主语构成被动关系。主语settlement为第三人称单数。故填has been reached。39have been built【详解】考查时态，语态和主谓一致。句意：在过去的几年里建造了许多新房子。房子是被建，句子用被动语态，由“in the past few years”可知，时态是现在完成时，因此空格处是现在完成时的被动语态，即have/has been done，主语houses是复数，build的过去分词是built，因此空格处是

45、have been built，故填have been built。40have been enlarged【详解】考查动词时态语态。句意：我们的设施已经扩大了，我们的体育中心现在比以往任何时候都更大更好。分析可知 facilities 与 enlarge之间是被动关系，根据时间状语ever before可知此处用现在完成时的被动语态，主语是复数，谓语也用复数。故填have been enlarged。41has been done【详解】考查现在完成时的被动语态和语法一致。句意：到目前为止，我的任务已经完成了50%。Fifty percent of my task是句子主语，后面谓语动词用第

46、三人称单数形式，且和谓语动词do之间是被动关系，再根据so far，可知，此处用现在完成时的被动语态。故答案为 has been done。42have been applied【详解】考查现在完成时的被动语态。句意：到目前为止，许多新方法已经被应用于解决工业上的问题。动词apply和主语new methods之间是被动关系，应用被动语态（be done），由时间状语so far可知，句子的时态为现在完成时，即设空处为现在完成时的被动语态，主语为new methods，根据主谓一致，谓语应用（have been done）。故填have been applied43have been solv

47、ed【详解】考查时态和语态。句意：到目前为止，由病毒引起的所有令人不安的问题都已得到解决。分析句子结构可知，空处需要谓语动词。根据时间状语So far，可知句子要用现在完成时态。主语为all the disturbing problems，和谓语动词之间为动宾关系，所以要用现在完成时态的被动语态。故填have been solved。44have been asked【详解】考查现在完成时的被动语态和主谓一致。句意：这是你第二次被要求做演讲。固定句型：It/This/That is the first（second）time that 主语+现在完成时+其他，“某人第几次做某事”，其中句子用现

48、在完成时，但从句主语you和谓语动词ask之间是被动关系，所以句子用现在完成时的被动语态。故答案为have been asked。45has been given【详解】考查时态和语态。句意：到目前为止，还没有允许任何人进入大厅。根据句意和句中“so far”可知，句中动作开始于过去并持续到现在，应用现在完成时，“give”意为“给”，动词词性，句子主语“permission”与“give”之间为被动关系，句子应用现在完成时的被动语态，句式为“主语+have/has been done+其他”，“permission”与“has”连用，“give”的过去分词为“given”，故空格处应填“ha

49、s been given”。故填has been given。46have been tried【详解】考查时态和语态。句意：到目前为止，已经试了所有的方法来联系他，但是都没有用。根据时间标志词so far(到目前为止)可知，应用现在完成时，means(方法)与try(尝试)是被动关系，应用现在完成时的被动，故填have been tried。47has been repaired【详解】考查时态和语态。句意：你可以使用我的电脑去打印这个报告，因为它已经被修好了。根据 already可知用现在完成时。又因为repair和从句主语it 是被动关系，因此空格处要用现在完成时的被动语态。故填has

50、been repaired。48has been proved【详解】考查时态和语态。句意：他前几天说的是事实已经得到证实。根据already可知该句是现在完成时，It是形式主语，真正的主语是that what he said the other day is true. 而prove与主语It 是被动关系，因此要用现在完成时的被动语态。故填has been proved。49have been talked【详解】考查时态和语态。句意：这些话题已经被谈了好长时间。根据 for a long time. 可知空格处用现在完成时，talk和主语These topics 是被动关系，因此要用现在完

51、成时的被动语态。故填have been talked。50surrounded【详解】考查现在完成时态的被动语态。句意：他总是被深爱和尊重他的人包围着。此处句子用现在完成时态的被动语态，has been已经给出，故答案为surrounded。51has been sung【详解】考查现在完成时的被动语态和主谓一致。句意：这首歌已经唱了很多年，但我们仍然喜欢它。句子主语The song是单数第三人称，和谓语动词sing之间是被动关系，再根据for many years可知句子用现在完成时的被动语态，且谓语动词用动词的第三人称单数形式。故答案为has been sung。52have been s

52、pent【详解】考查主谓一致和现在完成时的被动语态。句意：到目前为止，在那个大项目上花了大量的钱。结合句中so far，可知设空处时态用现在完成时；句子主语money和动词spend为动宾关系，所以spend要用被动语态。amounts of + 名词，谓语动词用复数，综上可知，所以填have been spent。53have been sold【详解】考查动词时态和语态。句意：新的字典非常有用，他们很好卖并已经被卖光了。分析句子结构可知，此空是谓语动词，already常和现在完成时态连用，且字典是“被卖光”，主语又是复数，故填have been sold。54have been discu

53、ssed【详解】考查动词时态语态和主谓一致。句意：公司的财务问题已经讨论了近两个小时。分析句子结构，缺少谓语动词，根据时间状语“for nearly two hours”可知，此处使用现在完成时，主语“Financial problems of the company”和discuss为被动关系，需用现在完成时的被动语态，主语为复数名词，助动词使用have。故填have been discussed。55have been built【详解】考查时态和语态。句意：在过去的几年中，中国建造了许多高速铁路系统。根据句中时间状语In the last few years可知，应用现在完成时。主语hi

54、gh-speed rail systems 与build之间为被动关系，所以用被动语态。故填have been built。56has been done【详解】考查时态和语态。句意：到目前为止，中国的扶贫工作已经完成，这是一份令人兴奋的报告。时间状语up to now意思为“到目前为止”，常与现在完成时连用；主语poverty relief work和do之间为逻辑上的被动关系，因此用现在完成时的被动语态；work是不可数名词，助动词用has；do是不规则变化动词，过去分词为done。故填has been done。57have been admitted【详解】考查时态和语态。句意：自19

55、98年该组织成立以来，已有多达800名成员被接纳。根据句中时间状语Ever since 可知用现在完成时。主语 members与admit之间为被动关系，所以用现在完成时的被动语态。故填have been admitted。58havent been decided【详解】考查动词时态语态。句意：詹姆斯教授将会做一个关于西方文化的演讲，但时间和地点还没有被确定。根据主语与动作的关系判断，“时间和地点”是被确定，因此要用被动语态。根据yet可知，到现在为止还没有被确定，因此要用现在完成时。所以填空处填现在完成时的被动语态形式：have been done。主语为when and where，谓语

56、动词使用havent been decided。故填havent been decided。59have been produced【详解】考查动词时态和语态。句意：在过去的几年里全世界产生了数以千计的电影。分析句子结构可知句中缺失谓语，所以空处需填动词，作谓语，又因句中是在讲述过去发生的事到目前为止有什么结果，所以时态应用现在完成时，且与主语是被动语态，故填have been produced。60has been discovered【详解】考查动词时态及语态。句意：如果牛顿现在还活着，他会对科技领域的发现感到很吃惊。这是与现在事实相反的虚拟语气，科技领域已经做出的发现为现在完成时，表示过去发生的事对现在产生了影响，what与discover是逻辑被动关系，应使用被动语态。故填has been discovered。