2023届统考版高考英语二轮专项分层特训语法填空保分练(三)含答案

这是一份2023届统考版高考英语二轮专项分层特训语法填空保分练(三)含答案，共13页。
After 82 days, cycling 7.________ ttal f 5，600 km, he finally gt t Munt Qmlangma, passing 8.________ six prvinces and regins.
Fu believes it was his scientific apprach t training that enabled him 9.________ (vercme) thse difficulties and reach his destinatin.
“Als, my family, friends and cyclists frm all ver the cuntry all gave me great encuragement and supprt. Withut them, I might nt have finished，” says Fu.
Fr the future, Fu has much 10.________ (many) plans. “I will cntinue riding every year and try t realize my dream f riding arund China，” he says.
1．________ 2.________ 3.________
4．________ 5.________ 6.________
7．________ 8.________ 9.________
10．________
eq \a\vs4\al(Test 2)
[2022·武汉市高三调研]The Chinese speaking test f Ireland's Leaving Certificate Examinatin this year was held n Saturday, marking the 1.________ (ne) time the cuntry has included Chinese as a freign language elective subject n the natinal cllege entrance examinatin.
This year's Chinese test 2.________ (include) speaking, listening and 3.________ (write) sectins, which cntain multiple chices, clze tests and a cmpsitin. The speaking part has been tested, while the rest will be held n June 20.
The Irish gvernment is 4.________ (full) aware f the imprtance f creating the pprtunity t learn Chinese 5.________ its students，especially against the backdrp f ecnmic glbalizatin, 6.________ deepening China­Ireland trade ties, said Mary Mitchell O'Cnnr, Ireland's frmer Minister f State fr Higher Educatin.
Mre Irish peple have becme 7.________ (interest) in learning Chinese, and the number f Irish students 8.________ (cme) t study in China is als expanding, O'Cnnr said in 2017，adding 9.________ persnnel exchanges and educatinal 10.________ (cperate) between the tw cuntries are grwing well.
1．________ 2.________ 3.________
4．________ 5.________ 6.________
7．________ 8.________ 9.________
10．________
eq \a\vs4\al(Test 3)
[2022·湖北高三联考]S rapidly des the technlgy develp that n ne can predict what may happen tmrrw. The number f 5G users in China has reached 20 percent, which leaves the peple in the wrld 1.________ (amaze). In China, peratrs are quick t prvide cntinuus natinwide cverage, 2.________ (ensure) users a cnsistent experience. They als ffer flexible service packages, which deliver a beneficial result fr bth users and 3.________ (they).
High­quality 5G netwrks 4.________ (drive) the rapid grwth f mbile data traffic s far, accrding t Ding Yun, Huawei's executive directr and the president f its carrier business is estimated, the average data traffic per user per mnth will have reached 600 GB by 2030. The energy cnsumptin f wireless netwrks will 6.________ (definite) increase a lt if energy efficiency f existing netwrks remains unchanged. Frtunately, 7.________ has been cnfirmed is that Huawei has ffered a cmprehensive range f prducts and measures that address the pwer cnsumptin issues f wireless netwrks.
Huawei has already emplyed lw­carbn 8.________ (strategy) in mre than 100 cuntries, including Saudi Arabia, Greece, Pakistan and Switzerland, helping peratrs reduce carbn dixide emissins by 40 millin tns. As 9.________ imprtant player in the cmmunicatins industry, Huawei will cntinue t put green develpment at the center f everything it des and develp innvative ways t build 10.________ (green) 5G netwrks wrldwide than befre.
1．________ 2.________ 3.________
4．________ 5.________ 6.________
7．________ 8.________ 9.________
10．________
eq \a\vs4\al(Test 4)
[2022·云南省检测]Accrding t a reprt f the United Natins, the wrld wasted abut 17% f the fd prduced, 1.________ (amunt) t 1.03 billin tns f fd last year. Mst f the waste happened at hmes. Restaurants were respnsible fr abut 26%. The rest 2.________ (thrw) away by stres. Surprisingly, fd was wasted 3.________ the same rate in pr cuntries. Many peple thught rich cuntries were mre likely 4.________ (waste) fd than less develped cuntries. Hwever, that turned ut nt t be true. In fact, sme richer cuntries wasted far 5.________ (little) fd than the average. But peple in richer cuntries may waste mre at restaurants. That certainly seems t be the case in the US, 6.________ the waste numbers f restaurants are higher. In sme cases, labels (标签) might cause fd waste. Peple ften thrw away fd even thugh it's still gd t eat, just because the cntainer's “Best By” date has passed. In pr cuntries, fd may be wasted because nt all hmes have a refrigeratr.
7．________ is imprtant fr cuntries t study fd waste mre carefully in rder t figure ut sme 8.________ (measure) t slve the prblem. S far, peple 9.________ (try) sme pssible uses f fd waste, including making fd fr animals, creating cmpst (堆肥) t help crps grw and burning leftvers t create energy. The mst imprtant thing is t keep fd frm 10.________ (simple) ging int the garbage.
1．________ 2.________ 3.________
4．________ 5.________ 6.________
7．________ 8.________ 9.________
10．________
语法填空保分练(四)
eq \a\vs4\al(Test 1)
[2022·东北三省四市模拟]A dying battery is a huge annyance fr cell phne 1.________ (user). But it's inspiratin fr engineers t design a smartphne which can make a phne call and have a cnversatin 2.________ the need f the battery. Recently, Shyam Gllakta, a cmputer scientist, and his team 3.________ (design) a battery­free phne. It 4.________ (harvest) pwer frm light and the radi signals cming frm a nearby wireless base statin. In receiving mde, it absrbs incming radi waves frm the base statin, and changes them directly int vibratins (震动) f 5.________ (it) speaker. In sending mde, it uses the vibratins f its nbard micrphne t change the way radi waves 6.________ (reflect) back t the base statin.
Thugh the functins f the demnstrative device are 7.________ (limit)—it can nly stray (偏离) 50 feet frm the base statin, this is a first step. Yu need t make 8.________ pssible mve t basically get smeplace where yu can harvest pwer t d ther peratin activities. And it's thse ther peratin activities 9.________ will be imprtant because yu culd argue that vice calls are by nw just a 10.________ (universal) typical feature f ur smart phnes with the battery r nt.
1．________ 2.________ 3.________
4．________ 5.________ 6.________
7．________ 8.________ 9.________
10．________
eq \a\vs4\al(Test 2)
[2022·济南市4月模拟]Five­day wrkweeks are cmmnly accepted and practiced. But trials f a fur­day wrkweek in Iceland were cnsidered 1.________ (remarkable) successful. They led t many wrkers 2.________ (mve) t shrter hurs and wrkers arund the wrld are fllwing the trend. Why has this practice gained 3.________ (ppular) and is it pssible t apply it crss­culturally?
The trials, 4.________ invlved mre than 2，500 wrkers, tk place in 2015. It 5.________ (reprt) that prductivity remained the same r imprved in the majrity f wrkplaces. Meanwhile, they fund their wrking cnditins were 6.________ (little) stressful and that they were n lnger at risk f burnut, and that their health and wrk－life balance had als imprved.
Therefre, the wrld's largest ever trial f a shrter wrkweek is by any measure 7.________ cmplete success. It shws that the public service is ripe fr being a pineer f shrter wrkweeks and 8.________ (lessn) can be learned by ther gvernments.
A number f ther trials are nw being run acrss the wrld. Fr instance, Unilever in New Zealand is giving staff a chance t cut their hurs by 20% 9.________ hurting their pay in a trial. Peple feel actually mre 10.________ (attach) t the jb in that they get rewarded by having mre time.
1．________ 2.________ 3.________
4．________ 5.________ 6.________
7．________ 8.________ 9.________
10．________
eq \a\vs4\al(Test 3)
Dear Dad，
Grwing up being a farmer's daughter has been very interesting. It has made my life challenging, fun and 1.________ (ccasinal) lnely. It has helped me grw as a persn 2.________ have a whle new respect fr all the farmers wh mst peple just dn't pay attentin t. It takes a special persn t be a farmer, and even 3.________ (much) special peple t be the farmer's family.
I have always had lve fr animals. Thank yu 4.________ bringing me t the turkey and pig barns (畜棚) t see the cute little animals. Every time I see anything abut pigs r turkeys I think abut yu, just like when I 5.________ (buy) thse plastic pig nses fr yu.
Every time I pass a field f crn, I think abut hw I grew up 6.________ (visit) yu at fields just like that. I can even tell apart sme f the 7.________ (difference) crps. My farming vcabulary is pretty gd 8.________ (cmpare) t a lt f ther peple. I als realize hw imprtant every little aspect f it is. The weather, bugs, a new type f seed r variety f plant—all f thse play 9.________ part f a much bigger peratin. I have a much bigger understanding f the wrld.
I'm prud t have a farmer dad. Althugh there were sme 10.________ (struggle), I wuld never trade the way I grew up. Yu have wrked s hard, and I appreciate everything yu have dne fr me.
I Lve yu, Dad!
Yurs，
Marie
1．________ 2.________ 3.________
4．________ 5.________ 6.________
7．________ 8.________ 9.________
10．________
eq \a\vs4\al(Test 4)
[2022·石家庄市高三质检]The Wrld Rbt Cnference 2021 pened at Beijing Ecnmic­Technlgical Develpment Area n September 10, 2021, 1.________ (display) mre than 500 prducts frm ver 110 enterprises in three exhibitin areas fr industrial rbts, service rbts, and specialized rbts.
A dg­shape rbt, with cameras and sensrs, and skills like climbing stairs, can be used in dangerus places fr 2.________ (inspect) and patrl (巡逻). A humanid rbt, 3.________ is 1.45 meters tall and 77 kilgrams heavy, can play the pian, write and draw pictures. As 4.________ service rbt, it can als d chres, perate refrigeratrs and make cffee.
There is als a rbt designed 5.________ (explain) scientific knwledge t visitrs. Mre than 30 rbts 6.________ (use) in Dalian's science and technlgy shwrm. Thse rbts can be 7.________ (help) in science and technlgy museums, railway statins, airprts and s n, prviding explanatin and guidance service.
Anther rbt can deliver parcels t residents' drsteps. Peple can fetch 8.________ (they) packages inside the rbt thrugh face recgnitin. The rbts have already been 9.________ service in a cmmunity f Beijing's Chayang District.
At the Wrld Rbt Cnference, visitrs can nt nly appreciate the exhibitins, but experience services f the rbts, such as infrmatin inquiry, cleaning 10.________ (venue) and fd delivery.
1．________ 2.________ 3.________
4．________ 5.________ 6.________
7．________ 8.________ 9.________
10．________
语法填空保分练（三）
Test 1
语篇类型：记叙文 主题语境：人与自我——个人生活——追逐骑行梦想的退休老人傅师傅
【文章大意】 60岁的傅师傅是一名骑行爱好者。2019年退休之后，傅师傅开始了去拉萨的骑行逐梦之旅。本文主要讲述了傅师傅的骑行经历和体会等。
1．答案与解析：since 考查介词。结合句意“2019年，傅师傅退休，自此，他可以投入更多时间去骑行”可知，应填since。since then “自那以来”。
2．答案与解析：preparatin 考查词形转换。结合空前的介词f和语境“经过半年多的准备之后”可知，空处需要用名词，故填preparatin。
3．答案与解析：rde 考查动词的时态。分析句子结构可知，空处在本句中作谓语。结合语境可知，此处讲的是2019年5月22之后的每天，时态应为一般过去时，故空处填rde。
4．答案与解析：had seen 考查动词的时态。分析句子结构可知，空处在本句中作谓语。根据本句中的“Wrse still”可知，此处与前一句中的“he had encuntered”形成比较，故时态也应该是过去完成时，故空处填had seen。
5．答案与解析：desperately 考查副词。分析句子结构可知，空处修饰后面的形容词tired，故空处填desperately。
6．答案与解析：but 考查连词。空前讲到“最大的困难是攀登高海拔的山”，空后讲到“他并不是一个人”，前后句之间形成了转折关系，故空处填but。
7．答案与解析：a 考查冠词。a ttal f “共计”，是固定用法。
8．答案与解析：thrugh 考查介词。pass thrugh “穿过”，是固定表达。
9．答案与解析：t vercme 考查非谓语动词。此处考查固定表达enable sb. t d sth.“使某人能够做某事”。
10．答案与解析：mre 考查形容词。比较级根据空后傅师傅的话，设空前much可知，他还有更多的计划，因此空处需要用所给词的比较级，故填mre。
Test 2
语篇类型：新闻报道 主题语境：人与社会——历史、社会与文化——爱尔兰高考中文考试
【文章大意】 周六，2022年爱尔兰高考中文口语考试如期举行，这是爱尔兰首次将中文纳入高考外语选考科目。
1．答案与解析：first 考查序数词。根据空前冠词the可知，该空需用序数词作定语，修饰后面的名词time，所以空处填first。
2．答案与解析：includes 考查动词的时态、语态和主谓一致。本句讲述了客观情况，应用一般现在时。主语Chinese test与include之间是主动关系，且Chinese test表示单数，所以空处填includes。
3．答案与解析：written 考查形容词。此处讲的是听说考试和书面考试部分，所以空处填written “书面的”。
4．答案与解析：fully 考查副词。空处修饰谓语，需用副词，所以空处填fully。
5．答案与解析：fr 考查介词。此处表示“为爱尔兰的学生创造学习汉语的机会”，故空处填fr “为……”。
6．答案与解析：and 考查连词。分析句子结构可知，空后的deepening与空前的creating是并列关系，同作介词f的宾语，所以空处填and。
7．答案与解析：interested 考查词形转换。becme interested in...“对……感兴趣”，是固定表达。
8．答案与解析：cming 考查非谓语动词。分析句子结构可知，此处是非谓语动词作后置定语，逻辑主语Irish students与cme之间构成了主谓关系，所以空处填cming。
9．答案与解析：that 考查宾语从句。分析句子结构可知，空处引导宾语从句，且从句意义完整，所以空处填that。
10．答案与解析：cperatin 考查词形转换。根据空前的形容词educatinal可知，空处需用名词，且cperatin “合作”是不可数名词，所以空处填cperatin。
Test 3
语篇类型：说明文 主题语境：人与社会——科学与技术——华为5G技术在世界的发展
【文章大意】 5G技术在世界迅速发展，华为公司率先解决了5G发展中网络能耗问题，为世界一百多个国家提供了低碳技术产品，为世界绿色产业的发展作出了巨大的贡献。
1．答案与解析：amazed 考查形容词。空处作the peple的宾语补足语，故用形容词amazed。
2．答案与解析：ensuring 考查现在分词。空处表示自然而然发生的结果，故用现在分词。
3．答案与解析：themselves 考查反身代词。根据语境可知，该句意为“他们还提供灵活的服务包，这对用户和他们自己都有好处”，空处指代主语They，故用反身代词。
4．答案与解析：have driven 考查动词的时态和主谓一致。根据该句中的时间状语s far可知，该处用现在完成时；主语High­quality 5G netwrks为复数，故谓语动词用复数形式。
5．答案与解析：As 考查非限制性定语从句。分析该句结构可知，空处引导非限制性定语从句，指代逗号后面的内容。as is estimated意为“据估计”。
6．答案与解析：definitely 考查副词。空处修饰动词increase，故用副词形式。
7．答案与解析：what 考查连接词。空处引导主语从句，在从句中作主语，故用what引导该从句。
8．答案与解析：strategies 考查名词的单复数。strategy为可数名词，根据句中的mre than 100 cuntries和常识可知，该处指多种策略，故用复数形式。
9．答案与解析：an 考查冠词。该处表泛指，imprtant的发音以元音音素开头，故用an。
10．答案与解析：greener 考查形容词的比较级。根据than可知，该处要用比较级。
Test 4
语篇类型：新闻报道 主题语境：人与社会——社会现象——食物浪费
【文章大意】 本文主要讲述了联合国发布的一则有关食物浪费的报道，并呼吁世界各国更加认真地研究食物浪费问题以制定出一些解决该问题的措施。
1．答案与解析：amunting 考查非谓语动词。分析句子结构可知，本句的谓语动词是wasted，空处在句中为非谓语动词，与其逻辑主语是主动关系，所以空处应该填amunting。
2．答案与解析：was thrwn 考查时态、语态和主谓一致。分析句子结构可知，空处在句中作谓语动词。结合语境可知，此处讲到了去年的食物浪费情况，时态为一般过去时；主语The rest与thrw之间形成了被动关系；主语The rest （f the waste）为不可数名词。因此，空处需要填was thrwn。
3．答案与解析：at 考查介词。at the same rate意为“以同样的速度”，所以空处需要填at。
4．答案与解析：t waste 考查非谓语动词。此处考查固定表达be likely t d sth.，意为“有可能做某事”，所以空处应该填t waste。
5．答案与解析：less 考查形容词的比较级。根据空后的than可知，此处应用比较级，所以空处需要填less。
6．答案与解析：where 考查定语从句关系词。分析句子结构可知，该空引导非限制性定语从句，先行词为表示地点的the US，关系词指代先行词在从句中作地点状语，所以空处需要填where。
7．答案与解析：It 考查代词。分析句子结构可知，本句的真正主语是t study fd waste mre carefully，空处需要填形式主语，所以填It，注意首字母大写。
8．答案与解析：measures 考查名词复数。measure作“措施，方法”讲时是一个可数名词，根据空前的sme可知，空处需要填名词复数形式，故填measures。
9．答案与解析：have tried 考查时态、语态和主谓一致。分析句子结构可知，空处在句中作谓语。结合时间状语S far可知，此处时态为现在完成时；主语peple与try之间形成了主动关系；主语peple为复数概念。所以空处需要填have tried。
10．答案与解析：simply 考查词形转换。分析句子结构可知，空处修饰后面的动词ging，需要用副词，所以填simply。
语法填空保分练（四）
Test 1
语篇类型：说明文 主题语境：人与社会——科技发明——无电池手机
【文章大意】 手机没电是手机用户的一大烦恼，针对这一情况，设计师们设计了一款无需电池的手机。本文介绍了该手机的工作原理和使用局限。
1．答案与解析：users 考查名词单复数。user为可数名词，根据常识可知，手机用户有很多，故用复数形式。
2．答案与解析：withut 考查介词。根据语境可知，此处是指设计一款不需要电池就能打电话和交谈的智能手机。
3．答案与解析：have designed 考查动词的时态、语态和主谓一致。根据该句中的“Recently”可知，该句使用现在完成时；句子主语与design之间为主动关系；该句主语为“Shyam Gllakta, a cmputer scientist, and his team”，表复数概念。故填have designed。
4．答案与解析：harvests 考查动词的时态、语态和主谓一致。该句描述的是一般事实，故用一般现在时；主语It与harvest为主动关系；该句主语为“It”，是第三人称单数。故填harvests。
5．答案与解析：its 考查代词。空处与空后的“speaker”为所有关系，应用形容词性物主代词。故填its。
6．答案与解析：are reflected 考查动词的时态、语态和主谓一致。从句主语为“radi waves”，是复数；主语与动词reflect之间为被动关系，故用被动语态；该句陈述的是一般事实，故用一般现在时。故填are reflected。
7．答案与解析：limited 考查形容词。be动词后一般接形容词或名词作表语，根据句意可知，空处用形容词，表示“有限的”。
8．答案与解析：a 考查冠词。该处泛指“一次可能的移动”，故用不定冠词； pssible的发音以辅音音素开头。故填a。
9．答案与解析：that 考查强调句型。分析句子结构可知，此处考查强调结构“It is/was＋被强调部分＋wh/that...”，被强调部分指物，故填that。
10．答案与解析：universally 考查副词。空处修饰形容词“typical”，故用副词形式。
Test 2
语篇类型：说明文 主题语境：人与社会——社会文化——一周四天工作制
【文章大意】 本文主要讲述了一周四天工作制这一新兴形式很受欢迎。这种工作制在保证生产效率的同时，还能让员工不再感到精疲力竭，也使得他们的健康水平有所提高，工作和生活更加平衡。
1．答案与解析：remarkably 考查副词。此处修饰形容词successful，应用副词。
2．答案与解析：mving 考查非谓语动词。lead t sb. ding sth.“导致某人做某事”为固定搭配。
3．答案与解析：ppularity 考查名词。根据句意和空前的gained可知，此处作宾语，需使用名词形式。
4．答案与解析：which 考查定语从句关系词。分析句子结构可知，空处引导非限制性定语从句，先行词为The trials，指物，关系词在从句中作主语，故填which。
5．答案与解析：was reprted 考查时态、语态和主谓一致。分析句子结构可知，空处作谓语。此处时态应与上文时态保持一致，应用一般过去时；主语It与reprt之间是被动关系，应用被动语态；主语It为第三人称单数。故填was reprted。
6．答案与解析：less 考查副词比较级。根据句意及stressful可知，此处表示“压力更小”，所以应用little的比较级，意为“更少地”。
7．答案与解析：a 考查冠词。根据句意及后文的success可知，此处success表示“成功的事物”，是可数名词，此处表泛指，因此需使用不定冠词，且cmplete的发音以辅音音素开头，应用a。
8．答案与解析：lessns 考查名词单复数。分析句子结构可知，and连接两个句子，空处为and后的句子的主语，需使用名词，因学到的经验教训不止一个，所以需使用名词的复数形式。
9．答案与解析：withut 考查介词。根据句意可知，此处表示不会损害他们的收入，因此填介词withut。
10．答案与解析：attached 考查形容词。分析句子结构可知，此处为系动词feel的表语，应用形容词attached，意为“非常喜欢……的”。
Test 3
语篇类型：应用文 主题语境：人与自我——亲子关系——感激父亲
【文章大意】 文章讲述了身为农民女儿的作者给父亲写的一封信中表达了作者对父亲的感激之情。作者回忆了农场成长经历对自己的影响，作者对父亲的教导感激不已，同时也表达了作者对农民父亲浓浓的爱。
1．答案与解析：ccasinally 考查副词。分析句子，这里用副词修饰形容词lnely，故填ccasinally。
2．答案与解析：and 考查连词。分析句子，用and连接grw与have两个动作。故填and。
3．答案与解析：mre 考查形容词的比较等级。根据上文的“It takes a special persn t be a farmer”以及空前的even可知，空处为比较级，故填mre。
4．答案与解析：fr 考查介词。thank sb. fr ding sth.为固定短语，意为“感谢某人做某事”。故填fr。
5．答案与解析：bught 考查动词的时态和语态。句意：每当我看到任何关于猪或火鸡的东西，我就会想到你，就像我给你买那些塑料猪鼻子时一样。根据句意，买那些塑料猪鼻子是过去的事情，用一般过去时，且I与buy之间为主谓关系，故填bught。
6．答案与解析：visiting 考查非谓语。句中已有谓语动词，所以此处为非谓语。主句主语I与visit之间为逻辑上的主谓关系，所以用现在分词作状语。故填visiting。
7．答案与解析：different 考查形容词。分析句子结构，空处用形容词修饰名词crps，故填different。
8．答案与解析：cmpared 考查非谓语。句中已有谓语动词，所以此处为非谓语。cmpared t sth.与某事物相比，为固定用法，作状语，故填cmpared。
9．答案与解析：a 考查冠词。根据句意可知，part是可数名词单数，表示泛指，且以辅音音素开头，故填a。
10．答案与解析：struggles 考查名词单复数。struggle为可数名词，再根据空前的were和sme可知，空处为可数名词的复数形式。故填struggles。
Test 4
语篇类型：说明文 主题语境：人与社会——科技创新——2021世界机器人大会
【文章大意】 本文主要介绍了2021世界机器人大会的基本情况，并着重介绍了几款机器人。
1．答案与解析：displaying 考查非谓语动词。分析句子结构可知，本句的谓语动词是pened, display在句中作非谓语，与逻辑主语The Wrld Rbt Cnference 2021之间为主谓关系，故填displaying。
2．答案与解析：inspectin 考查词形转换。此处与and后面的名词patrl构成并列关系，因此，空处需用名词，作fr的宾语，故填inspectin。
3．答案与解析：which 考查关系词。分析句子结构可知，此处形成了一个非限制性定语从句，修饰表示物的名词A humanid rbt，关系词在从句中作主语，故填which。
4．答案与解析：a 考查冠词。此处需用冠词，表泛指，意为“作为一个服务型机器人”。空后的service的发音以辅音音素开头，故填a。
5．答案与解析：t explain 考查非谓语动词。此处考查固定表达be designed t d sth.，意为“被设计来做某事”，动词不定式表目的，故填t explain。
6．答案与解析：are used/are being used 考查谓语动词的时态、语态和主谓一致。分析句子结构可知，use在句中作谓语。结合语境可知，此处需要用一般现在时；主语rbts和谓语use之间为被动关系；主语rbts为复数。故填are used。此外，空处也可以用现在进行时表示动作正在进行，故也可填are being used。
7．答案与解析：helpful 考查词形转换。分析句子结构可知，空处作表语，说明主语Thse rbts的作用，需用形容词，故填helpful。
8．答案与解析：their 考查代词。分析句子结构可知，此处修饰后面的名词packages，需用形容词性物主代词，故填their。
9．答案与解析：in 考查介词。此处考查固定表达be in service，意为“在使用中”，故填in。
10．答案与解析：venues 考查名词复数。venue是可数名词，此处应该表示复数概念，故填venues。