Unit 3 The world of science 语法Grammar 现在完成时的被动语态-2024-2025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）

Unit 3 The world of science 现在完成时的被动语态 一、语法填空 1．The database (update) up to now, ensuring data accuracy and reliability throughout the entire system. 2．Jan’s life (improve) by the Internet so far. 3．Professor Wang (invite) to give lectures in many universities so far. 4．All the information about the project (gather) up to now, and we’re ready to start the project. 5． (interrupt) several times during the speech, the speaker became annoyed and asked the audience to remain quiet. 6．Much (write) so far about the wonders of the World Wide Web. (所构成的适当形式填空) 7．Over the past few years, many high-tech products (export) to foreign countries from this region. 8．So far, a new kind of PC (build) with more functions. 9．Professor James will give us a lecture on the Western culture, but when and where (decide) yet. 10．The old house (repair) several times since last year, but it still looks shabby. 11．A lot of money (spend) in rebuilding the old temple in the last two years. 12．Artificial Intelligence (Al) (apply) to many fields in recent years. 13．Up to now, several English activities (organize) successfully by our school. 14．More recently, most houses (rebuild) in the earthquake-stricken areas. 15．Up to now, more than 330 acupuncture points (穴位） (identify), each linked to a different part of the body. 16．Almost 100computers (give) to us by a local computer company since the end of last year. 17．The ferry service has (suspend) for the day because of the bad weather. 18．Every teacher (provide) with a laptop since the beginning of this term.（所给词的适当形式填空） 19．All the athletes (select) from millions of people all over the country in the past two months. 20．The book, which was written by a famous author, (translate) into 10 languages so far. 21．Since then, The Diary of Anne Frank (publish) in at least 67 languages. 22．So far, the city (attack) by enemy forces many times, but it still stands strong. 23．In the last 10 years, large amounts of money to charities to help those children. (donate) 24．In the past three years I (inspire) to participate in more charity activities by the story of the disabled boy. 25．The friendly relations and cooperation between our two countries (enhance) in the past few years. 26．Over time, the sounds that are difficult to pronounce (replace) with more familiar ones. （所给词的适当形式填空） 27．This is the only one of the oldest customs that (keep) in this district up to now. 28．Over the past 50 years, about 17 percent of rainforest (destroy) due to human activities. 29．He has been (ban) from driving for six months because he broke the traffic rules. 30．Up to now, costs (reduce) by 20% due to advanced technology. 31．The investigation into the case (complete), and the results will be announced soon. 32．Large amounts of money (charge) for the repairs up to now. 33．The old factory (transform) into a vibrant arts center over the past decade. （所给词的适当形式填空） 34．A large quantity of money (raise) to help those suffering from the disaster since a year ago. （所给词的适当形式填空） 35．A great deal (finish) so far, but there is still much to be done. 36．Not only the foreign students but also the teacher (attract) by the authentic Chinese tea culture so far. 37．We are excited to learn that all of our 5 drugs (approve) by the agency. 38．More patients (treat) in hospital since last month. 39．More than one robot (test) out in the trial so far. （所给词的适当形式填空） 40．The whole village, including yards and streets, (plant) with diverse flowers since spring, and new ones will be added to make it more beautiful. 二、完成句子 41．The system has (安装), but it needs some fine-tuning. (根据汉语提示完成句子) 42． (已证实) the mammals were dead before they landed on the beach. （根据汉语提示完成句子） 43．For the Tibetan people, the tradition of protecting the environment (相传) for generations. (根据汉语提示完成句子) 44．The city (被视为) the musical capital of Europe since the 16th century, home to the likes of Mozart and Beethoven. (根据汉语提示完成句子) 45． (到目前为止已经取得了很大的进步) and we are sure that the work will be finished on time. (根据汉语提示完成句子) 46．The new law has (生效), and the number of wild animals here is on the increase now. (根据汉语提示完成句子) 47．Most buildings (配备) with qualified fire alarm systems so far. (根据汉语提示完成句子) 48．It is not the first time that the new diseases （被证实）in the country, and preparations are underway to carry out an experimental treatment. （根据汉语提示完成句子） 49．The game has been (推迟). （根据汉语提示完成句子） 50．Acupuncture has also been (被用于) treat people who abuse alcohol, tobacco or drugs. (根据汉语提示完成句子) 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 $$ Unit 3 The world of science 现在完成时的被动语态 一、语法填空 1．The database (update) up to now, ensuring data accuracy and reliability throughout the entire system. 【答案】has been updated 【详解】考查时态和语态。句意：到目前为止，数据库已经更新，确保了整个系统中数据的准确性和可靠性。空处为句子的谓语动词，根据时间状语“up to now”可知，句子应用现在完成时，主语The database和动词update之间为被动关系，应用现在完成时的被动语态，主语为单数，助动词用has。故填has been updated。 2．Jan’s life (improve) by the Internet so far. 【答案】has been improved 【详解】考查时态、语态和主谓一致。句意：到目前为止，互联网已经改善了简的生活。根据时间状语so far可知，句子时态应用现在完成时，主语Jan’s life与improve之间为被动关系，句子应用现在完成时的被动语态，主语Jan’s life为单数概念，助动词应用has。故填has been improved。 3．Professor Wang (invite) to give lectures in many universities so far. 【答案】has been invited 【详解】考查时态、语态和主谓一致。句意：到目前为止，王教授已应邀到多所大学讲学。so far和现在完成时连用，主语Professor Wang和动词invite之间是被动关系，故用现在完成时的被动语态，主语表示单数意义，助动词使用has，故填has been invited。 4．All the information about the project (gather) up to now, and we’re ready to start the project. 【答案】has been gathered 【详解】考查动词时态和语态。句意：到目前为止，关于这个项目的所有信息已经收集完毕，我们已经准备好开始这个项目了。此句为并列句，空处在第一分句中作谓语动词，主语All the information与gather之间为被动关系，由时间状语up to now可知应用现在完成时的被动语态，information不可数，All the information作主语，助动词用单数has，故填has been gathered。 5． (interrupt) several times during the speech, the speaker became annoyed and asked the audience to remain quiet. 【答案】Having been interrupted/Interrupted 【详解】考查非谓语动词。句意：演讲者在演讲中被打断了好几次，他很生气，要求听众保持安静。本句已有谓语动词，所以interrupt用非谓语形式，主句主语是“the speaker”，与“interrupt”之间为被动关系，且“打断”的动作发生在主句谓语“became annoyed”之前，需用完成时的被动语态，或者也可直接用过去分词表被动亦可，位于句首，首字母应大写。故填Having been interrupted或者Interrupted。 6．Much (write) so far about the wonders of the World Wide Web. (所构成的适当形式填空) 【答案】has been written 【详解】考查时态语态和主谓一致。句意：到目前为止，关于万维网的奇迹已经写了很多。根据时间状语so far可知，此处用现在完成时，主语Much和write之间是被动关系，用现在完成时的被动语态，主语Much视为不可数名词，谓语动词用单数。故填has been written。 7．Over the past few years, many high-tech products (export) to foreign countries from this region. 【答案】have been exported 【详解】考查时态语态。句意：在过去的几年里，许多高科技产品从这个地区出口到了国外。这里考查谓语动词，“Over the past few years”是现在完成时的时间标志。句子的主语many high-tech products和动词export之间是被动关系，即“高科技产品被出口”，所以要用现在完成时的被动语态，其结构是“have/has been + 过去分词”。主语many high-tech products是复数，所以助动词用have。故填have been exported。 8．So far, a new kind of PC (build) with more functions. 【答案】has been built 【详解】考查动词时态语态和主谓一致。句意：到目前为止，一种功能更多的新型个人电脑已经被制造出来了。根据时间状语So far可知，句子应用现在完成时，a new kind of PC与动词build之间是被动关系，要用现在完成时的被动语态，句子主语a new kind of PC是单数，所以助动词用has。故填has been built。 9．Professor James will give us a lecture on the Western culture, but when and where (decide) yet. 【答案】hasn`t been decided 【详解】考查时态语态。句意：詹姆斯教授将给我们做一个关于西方文化的讲座，但时间和地点还没有决定。主语与谓语构成被动关系，根据后文yet可知为现在完成时的被动语态，主语when and where为单数意义，助动词用has，且为否定陈述句。故填hasn`t been decided。 10．The old house (repair) several times since last year, but it still looks shabby. 【答案】has been repaired 【详解】考查动词的时态和语态。句意：这所老房子自去年以来已经被修缮了好几次，但看起来仍然很破旧。根据since last year可知，repair“修缮”这一动作开始于过去，持续到现在，句子时态应用现在完成时，主语The old house和repair之间是被动关系，所以要用现在完成时的被动语态 ，主语是第三人称单数，助动词用has。故填has been repaired。 11．A lot of money (spend) in rebuilding the old temple in the last two years. 【答案】has been spent 【详解】考查时态，被动语态和主谓一致。句意：在过去的两年中，重建这座古庙花费了大量的钱。由“in the last two years”可知，句子时态是现在完成时，钱是被花，因此句子用现在完成时的被动语态，主语A lot of money是不可数名词，因此空格处是has been spent。故填has been spent。 12．Artificial Intelligence (Al) (apply) to many fields in recent years. 【答案】has been applied 【详解】考查时态语态。句意：近年来，人工智能（AI）已被应用于许多领域。apply是谓语动词，由时间状语in recent years可知，用现在完成时，主语Artificial Intelligence (Al)与apply是被动关系，用被动语态，且主语是Artificial Intelligence，助动词用 has。故填has been applied。 13．Up to now, several English activities (organize) successfully by our school. 【答案】have been organized 【详解】考查时态和语态。句意：到目前为止，我们学校已经成功组织了几项英语活动。根据时间状语Up to now可知，句子应用现在完成时，表示过去发生的动作对现在造成的影响或结果。activities与organize之间是被动关系，即活动是被组织的，所以应用现在完成时的被动语态。主语several English activities是复数，助动词用have，organize 的过去分词是organized，故填have been organized。 14．More recently, most houses (rebuild) in the earthquake-stricken areas. 【答案】have been rebuilt 【详解】考查动词时态和语态。句意：最近，地震灾区的大部分房屋已经重建。“more recently”表示“最近”，常与现在完成时连用。houses与rebuild之间是被动关系，即“房子被重建”，所以要用现在完成时的被动语态，其结构为“have/has been +过去分词”，主语most houses 是复数，助动词用have，rebuild的过去分词是rebuilt。故填have been rebuilt。 15．Up to now, more than 330 acupuncture points (穴位） (identify), each linked to a different part of the body. 【答案】have been identified 【详解】考查动词时态和语态。句意：到目前为止，已经确定了330多个穴位，每个穴位都与身体的不同部位有关。“Up to now”表示“到目前为止”，是现在完成时的标志词。句子的主语 “acupuncture points”与“identify”之间是被动关系，即“穴位被识别”，所以要用现在完成时的被动语态，其结构为“have/has been + 过去分词”。主语“more than 330 acupuncture points 是复数，助动词用 have。故填have been identified。 16．Almost 100computers (give) to us by a local computer company since the end of last year. 【答案】have been given 【详解】 考查时态和语态。句意：自去年年底以来，一家本地电脑公司已经捐赠给我们近100台电脑。主语Almost 100 computers是动作的接受者，需用被动语态；“since the end of last year”表明动作从过去持续到现在，用现在完成时，主语是复数，故填have been given。 17．The ferry service has (suspend) for the day because of the bad weather. 【答案】been suspended 【详解】考查语态。句意：由于天气恶劣，渡轮服务暂停了一天。空格处是谓语动词，句子的主语The ferry service与动词suspend之间是被动关系，结合助动词has和时间状语for the day，所以用现在完成时的被动语态（have been done）。故填been suspended。 18．Every teacher (provide) with a laptop since the beginning of this term.（所给词的适当形式填空） 【答案】has been provided 【详解】考查动词时态、语态和主谓一致。句意：从这个学期开始，每位老师都配备了一台笔记本电脑。根据后文since the beginning of this term可知应用现在完成时，且主语与谓语动词构成被动关系，应用被动语态，主语单数，助动词用has。故填has been provided。 19．All the athletes (select) from millions of people all over the country in the past two months. 【答案】have been selected 【详解】考查现在完成时的被动语态。句意：过去两个月里，所有运动员都是从全国数百万人中选拔出来的。此处为谓语动词，根据句子的时间状语in the past two months可知，此处使用现在完成时，结合句意，select与主语All the athletes之间为被动关系，所以此处使用现在完成时的被动语态，且主语为名词复数。故填have been selected。 20．The book, which was written by a famous author, (translate) into 10 languages so far. 【答案】has been translated 【详解】考查时态语态。句意：这本书由一位著名作家所写，到目前为止已经被翻译成10种语言。本空为主句谓语，根据时间状语so far可知，translate“翻译”这一动作开始于过去，持续到现在，句子时态应用现在完成时，又因translate和主语The book之间是被动关系，需要用现在完成时的被动语态，主语是第三人称单数代词，所以助动词用has。故填has been translated。 21．Since then, The Diary of Anne Frank (publish) in at least 67 languages. 【答案】has been published 【详解】考查时态语态。句意：自那时起，《安妮日记》已被翻译成至少67种语言出版。句中时间状语Since then表明动作从过去持续到现在，需用现在完成时，主语“The Diary of Anne Frank”是出版对象这里表单数意义，且与谓语动词publish是被动关系，因此需使用现在完成时的被动语态。故填has been published。 22．So far, the city (attack) by enemy forces many times, but it still stands strong. 【答案】has been attacked 【详解】考查动词时态和语态。句意：到目前为止，这座城市已经多次遭到敌军的袭击，但它仍然屹立不倒。根据时间状语So far可知，句子应用现在完成时，且主语the city与动词attack之间是被动关系，应用现在完成时的被动语态，主语是单数，助动词用has。故填has been attacked。 23．In the last 10 years, large amounts of money to charities to help those children. (donate) 【答案】have been donated 【详解】考查动词时态和主谓一致。句意：在过去的10年里，大量的钱被捐赠给慈善机构来帮助这些孩子。donate作本句谓语，和主语money之间是被动关系，用被动语态，根据时间状语In the last 10 years可知，用现在完成时。large amounts of+不可数名词作主语时，谓语动词用复数形式。故填have been donated。 24．In the past three years I (inspire) to participate in more charity activities by the story of the disabled boy. 【答案】have been inspired 【详解】考查动词时态和语态。句意：在过去的三年里，我被那个残疾男孩的故事激励去参加更多的慈善活动。空处为句子的谓语动词，时间状语In the past three years常与现在完成时连用，所以句子时态应用现在完成时；主语I和动词inspire之间是被动关系，因此要用现在完成时的被动语态，主语为I，助动词用have。故填have been inspired。 25．The friendly relations and cooperation between our two countries (enhance) in the past few years. 【答案】have been enhanced 【详解】考查动词语态。句意：我们两国之间的友好关系与合作在过去几年中得到了加强。根据in the past few years可知，enhance“加强”这一动作开始于过去，持续到现在，句子时态应用现在完成时，又因与主语The friendly relations and cooperation between our two countries是被动关系，用现在完成时的被动语态，主语为复数，助动词用have。故填have been enhanced。 26．Over time, the sounds that are difficult to pronounce (replace) with more familiar ones. （所给词的适当形式填空） 【答案】have been replaced 【详解】考查时态语态。句意：随着时间的推移，那些难以发音的声音被更熟悉的声音所取代。空处为句子的谓语动词。根据时间状语over time可知，句子用现在完成时态，以表示从过去某一时刻开始一直持续到现在的动作或状态。主语the sounds和replace“取代，代替”之间为被动关系，所以句子使用现在完成时态的被动语态，主语为复数，助动词用have。故填have been replaced。 27．This is the only one of the oldest customs that (keep) in this district up to now. 【答案】has been kept 【详解】考查现在完成时，被动语态。句意：这是这个地区至今仍保留的最古老习俗之一。此处需要使用动词作谓语，句中that引导的定语从句修饰的先行词是“the only one of the oldest customs”是单数意义，因此从句谓语需用单数形式，keep 与主语the only one of the oldest customs是被动关系，需用被动语态， 句中时间状语​up to now强调“保留”动作从过去持续至今，因此需使用现在完成时的被动语态。故答案为：has been kept。 28．Over the past 50 years, about 17 percent of rainforest (destroy) due to human activities. 【答案】has been destroyed 【详解】考查时态和语态。句意：在过去的50年里，大约17%的雨林因人类活动而被破坏。空格处是谓语动词，主语about 17 percent of rainforest与动词destroy之间是被动关系，所以用被动语态；由时间状语over the past 50 years可知，句子用现在完成时，主语是不可数名词，助动词用has。故填has been destroyed。 29．He has been (ban) from driving for six months because he broke the traffic rules. 【答案】banned 【详解】考查动词的被动语态。句意：他因为违反交通规则被禁止驾驶六个月。He与ban为被动关系，所以本句为现在完成时的被动语态。故填banned。 30．Up to now, costs (reduce) by 20% due to advanced technology. 【答案】have been reduced 【详解】考查动词语态。句意：到目前为止，由于先进的技术，成本已经降低了20%。根据时间状语Up to now可知，reduce“减少”这一动作开始于过去，持续到现在，句子时态应用现在完成时，又因主语costs和reduce之间是被动关系，应用现在完成时的被动语态，且主语costs是复数，助动词用have。故填have been reduced。 31．The investigation into the case (complete), and the results will be announced soon. 【答案】has been completed 【详解】考查动词语态。句意：对该案件的调查已经完成，结果将很快公布。本空作and前句子的谓语，此处强调动作已经完成，应用现在完成时，主语The investigation into the case与动词complete“完成”之间为被动关系，应用现在完成时的被动语态，主语是第三人称单数，助动词用has。故填has been completed。 32．Large amounts of money (charge) for the repairs up to now. 【答案】have been charged 【详解】考查时态语态。句意：到目前为止，维修费用已经花了一大笔钱。主语Large amounts of money与谓语构成被动关系，根据后文up to now可知为现在完成时的被动语态；amounts of+名词作主语，是复数意义，助动词用have。故填have been charged。 33．The old factory (transform) into a vibrant arts center over the past decade. （所给词的适当形式填空） 【答案】has been transformed 【详解】考查动词时态和语态。句意：在过去的十年里，这个老工厂已经变成了一个充满活力的艺术中心。根据时间状语“over the past decade”可知，句子要用现在完成时，表示从过去持续到现在的动作或状态。同时，主语“The old factory”和动词“transform”之间是被动关系，即“老工厂被转变为艺术中心”，所以要用现在完成时的被动语态。现在完成时被动语态的结构是“have/has + been +过去分词”，主语“The old factory”是第三人称单数，助动词要用“has”，“transform”的过去分词是“transformed”。故填has been transformed。 34．A large quantity of money (raise) to help those suffering from the disaster since a year ago. （所给词的适当形式填空） 【答案】has been raised 【详解】考查时态、语态和主谓一致。句意：自一年前以来，已经筹集了大量的资金来帮助那些遭受灾难的人。主语A large quantity of money和raise之间是被动关系，结合时间状语“since a year ago”可知此处使用现在完成时的被动语态，主语是不可数名词，助动词使用has。故填has been raised。 35．A great deal (finish) so far, but there is still much to be done. 【答案】has been finished 【详解】考查时态、语态和主谓一致。句意：到目前为止，已经完成了大量工作，但仍有许多工作要做。根据时间状语so far可知，此处描述过去动作对现在造成的影响；动词finish与主语A great deal之间存在被动关系，因此空处应用现在完成时的被动语态。主谓一致，故填has been finished。 36．Not only the foreign students but also the teacher (attract) by the authentic Chinese tea culture so far. 【答案】has been attracted 【详解】考查动词时态和语态。句意：到目前为止，不仅外国学生，就连老师也被正宗的中国茶文化所吸引。空处应填谓语动词，由句意及时间状语so far可知应用现在完成时，not only ... but also...连接名词/代词作主语，谓语动词遵循就近原则，the teacher与动词attract之间为被动关系，所以应用现在完成时的被动语态，the teacher为第三人称单数，故填has been attracted。 37．We are excited to learn that all of our 5 drugs (approve) by the agency. 【答案】have been approved 【详解】考查时态和语态。句意：我们很高兴得知我们所有的5种药物都获得了该机构的批准。根据语境可知，药物被批准这个动作对现在有影响，所以要用现在完成时。从句主语all of our 5 drugs为复数，助动词使用have，且与approve之间为被动关系，所以用被动语态。故填have been approved。 38．More patients (treat) in hospital since last month. 【答案】have been treated 【详解】考查动词时态、语态和主谓一致。句意：自上个月以来，更多的病人在医院接受治疗。空处作句子的谓语，结合时间状语“since last month”可知，时态应用现在完成时，表示过去的动作或状态持续到现在，treat“治疗”和主语More patients之间是被动关系，应用被动语态，且主语是复数，助动词应用have。故填have been treated。 39．More than one robot (test) out in the trial so far. （所给词的适当形式填空） 【答案】has been tested 【详解】考查时态语态。句意：到目前为止，已经有不止一个机器人在试验中进行了测试。More than one robot作主语，谓语动词用单数，与谓语test构成被动关系，根据后文so far可知为现在完成时的被动语态，助动词用has。故填has been tested。 40．The whole village, including yards and streets, (plant) with diverse flowers since spring, and new ones will be added to make it more beautiful. 【答案】has been planted 【详解】考查时态，被动语态和主谓一致。句意：从春天开始，整个村庄，包括院子和街道，都种上了各种各样的花，新的花将会增加，使它更加美丽。院子和街道是被种上了花，由since可知，句子用现在完成时，因此空格处用现在完成时的被动语态，主语The whole village是单数，因此空格处是has been planted。故填has been planted。 二、完成句子 41．The system has (安装), but it needs some fine-tuning. (根据汉语提示完成句子) 【答案】 been set up 【详解】考查动词短语和语态。句意：这个系统已经安装，但还需要一些微调。“安装”为set up，与主语The system为动宾关系，结合空前has可知，本句谓语用现在完成时的被动语态。故填been set up。 42． (已证实) the mammals were dead before they landed on the beach. （根据汉语提示完成句子） 【答案】It has been confirmed that 【详解】考查动词时态和语态。句意：已证实这些哺乳动物在到达海滩之前就已经死亡。根据汉语提示“已证实”，句子需要使用现在完成时态，表示动作已经完成并对现在产生影响，且主语与谓语为被动关系。本句的主语为that从句，it作形式主语。“证实”为confirm。故填It has been confirmed that。 43．For the Tibetan people, the tradition of protecting the environment (相传) for generations. (根据汉语提示完成句子) 【答案】has been passed down/has been passed on 【详解】考查时态语态和固定搭配。句意：对于藏族人民来说，保护环境的传统是代代相传的。“相传”为动词短语pass down/on，此处表示过去到现在一直相传，应用现在完成时，且主语和动词短语pass down/on是被动关系，应用现在完成时的被动语态，主语是the tradition，助动词应用has，故填has been passed down/on。 44．The city (被视为) the musical capital of Europe since the 16th century, home to the likes of Mozart and Beethoven. (根据汉语提示完成句子) 【答案】has been recognized as 【详解】考查动词语态、固定短语。句意：自16世纪以来，这座城市被视为欧洲的音乐之都，是莫扎特和贝多芬等人的故乡。表示“将……认为”用固定短语regard...as...，句子描述的是自16世纪以来一直持续到现在的情况，句子时态应用现在完成时，且The city与regard...as...为被动关系，句子用现在完成时的被动语态，主语为第三人称单数，助动词用has。故答案为has been regarded as。 45． (到目前为止已经取得了很大的进步) and we are sure that the work will be finished on time. (根据汉语提示完成句子) 【答案】Much progress has been made so far 【详解】考查短语和时态。句意：到目前为止已经取得了很大的进展，我们确信这项工作将按时完成。表示“到目前为止”短语为so far；表示“很大进步”应用much progress，作主语，与谓语make构成被动关系，用现在完成时的被动语态，主语为不可数名词，助动词用has。故填Much progress has been made so far。 46．The new law has (生效), and the number of wild animals here is on the increase now. (根据汉语提示完成句子) 【答案】come into effect/taken effect/been put into effect/been brought into effect 【详解】考查动词短语。句意：新法律生效了，现在这里的野生动物数量在增加。根据汉语提示可知短语为come into effect或take effect或put/bring into effect，根据上文助动词has可知为现在完成时，不及物动词短语come into effect/taken effect无被动形式，put/bring into effect与主语The new law被动关系，用现在完成时的被动语态。故填come into effect/taken effect/been put into effect/been brought into effect。 47．Most buildings (配备) with qualified fire alarm systems so far. (根据汉语提示完成句子) 【答案】have been equipped 【详解】考查动词短语。句意：到目前为止，大多数建筑物都配备了合格的火灾报警系统。根据汉语提示可知，此处可用动词短语equip…with…的被动形式be equipped with，表示“配备有……；装有……”，结合“so far”可知，时态应用现在完成时，且主语Most buildings是复数，助动词应用have。故填have been equipped。 48．It is not the first time that the new diseases （被证实）in the country, and preparations are underway to carry out an experimental treatment. （根据汉语提示完成句子） 【答案】have been confirmed 【详解】考查动词的时态和语态。句意：这不是该国第一次确诊新疾病，正在准备进行实验性治疗。分析句子可知，空格处作谓语。此处是固定句型：It is the first time that+现在完成时，意为“这是某人第一次做某事”。表示“证实”应用动词confirm，the new diseases与confirm是逻辑上的动宾关系，故用被动语态。故填have been confirmed。 49．The game has been (推迟). （根据汉语提示完成句子） 【答案】put off 【详解】考查被动语态。句意：比赛被推迟了。“推迟”put off，分析句子可知，该句为现在完成时的被动语态，put用过去分词形式。故填put off。 50．Acupuncture has also been (被用于) treat people who abuse alcohol, tobacco or drugs. (根据汉语提示完成句子) 【答案】applied to 【详解】考查被动语态，固定短语。句意：针灸也被用于治疗酗酒、吸烟或吸毒的人。表示“应用于”用apply to，此处主语为“针灸”，因此是被用于，因此需要使用被动语态；句子的时态为现在完成时，句子中已经用has been。故填applied to。 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 $$