2024秋高中英语课时作业12Unit3Computers单元加餐练含解析新人教版必修2

Unit3Computers课时作业12单元加餐练Ⅰ.单词拼法1．Theoldwomandecidedtocalculate(计算)howmuchthistriphadcost.2．LaterIfoundoutthatthediamondwasactuallyartificial(人造的)．3．Whenthebabywasalittleolder,itbegantoexplore(探究)moreplaces.4．Ifyouworkharder,youwillreachyourgoalintime.5．Thenewbuildingshavechangedthecharacter(特点)ofthevillage.6．Therailwaysignalshowedthatthetraincouldpass.7．CouldyoudownloadsomemusicfromtheInternetforme?8．Itseemedasifassoonasoneproblemwassolvedanewonearose(产生)．9．Thematchwasoverandtheplayerwenttohughercoach.10．Personally,Idon'tlikethestyleofthenewsinger.Ⅱ.选词填空fromthenon,withthehelpof,asaresult,makeup,compare...with...,dealwith,have...incommon,inaway,goby,watchover1．Youcan'tletanopportunitylikethatgo_by.2．Tomysurprise,IfoundIhadalotin_commonwiththisstranger.3．Hemadeabigmistake,and,as_a_result,_helosthisjob.4．Wecarefullycomparedthefirstreportwiththesecondandfinallychosethelatter.5．From_then_onIdidalotofhomeworkthathegavemeandreadEnglishstories.6．Shedidn'twanttogototheparty,soshemade_upanexcuse.7．With_the_help_ofhisteacher,hehasmadegreatprogressinEnglish.8．Thedriverhurtintheaccidentwas_being_watched_overinhospitalthen.9．Theteacherreallydoesn'tknowhowtodeal_withhisnaughtystudents.10．In_a_way,_hisbiologyhasimproved,butthereisstillalongwaytogo.Ⅲ.单句语法填空1．Recentlymanyaccidentshavearisenfromthedrivers'carelessness.2．WhatshouldIdowiththisoldcomputer?3．Whileplaying(play)withthelocalchildren,hemadeafewfriends.4．Mybossaskedmetohavetheletterstyped(type)thatnight.5．Somethingbadhas_happened(happen)tohimrecently.6．Themanspenthiswholelifeexploring(explore)thewildness.7．Ifyouwanttocallabroad,youshouldfirstringtheoperator(operate)．8．Themanmustpassanintelligence(intelligent)testbeforeenteringthecompany.9．Weshouldfacethereality(real)bravely.10．Itwillnotbelongbeforewefinishthetask.11．Itiswrongofyoutojudgeapersonbyhisappearance(appear)．12．Theboyishumorousandheoftenbringsussomehappiness(happy)．13．Wheneverwemetwithdifficulties,theycametohelpus.14．Intheearthquakemostofthebuildingsweredestroyedtotally(total)．15．Someofthereporterslikeaskingsomepersonal(person)questions.Ⅳ.单句改错(每小题仅1处错误)1．Itwasaboutthreeyearswhentheymetagain.when→before2．Withtimewentby,shehadgraduallyforgottenthisthing.With→As或went→going3．Wearenotfriends,forwehavenothinginacommon.去掉a4．Thegirlmadeaapplicationforthejobasateacher.a→an5．Hewasoftenlateforwork.Asaresultof,hewasfired.去掉of6．Downloadingtoadesktopcomputer,thematerialhelpedthemanalot.Downloading→Downloaded7．Bythetimeshecametoherself,shefoundshehasbeenoperatedon.has→had8．Hewasveryhonestthatwealllikedhim.very→so9．Ifitpossible,pleasecomeheretogivemeahand.去掉it或possible_前加is10．Theorphanhasbeentakengoodcare.good_care_后加ofⅤ.单元语法——将下列句子改为被动语态1．Theyhaveputthecomputerintoarobot.The_computer_has_been_put_into_a_robot_(by_them)．2．Overtime,peoplehavechangedmealot.Over_time,_I_have_been_changed_a_lot_(by_people)．3．Anewvirushasattackedmycomputer.My_computer_has_been_attacked_by_a_new_virus.4．Ihavemadehimstudyhard.He_has_been_made_to_study_hard_(by_me)．5．Haveyoufoundwaystomakewastewaterclean?Have_ways_been_found_to_make_waste_water_clean_(by_you)?Ⅰ.阅读理解BuyingbooksontheInternetisagreatwaytosavetimeandmoney.Onlinebookstoresoffernewbooksandusedbooksthatcansaveyoulotsofmoney.Theyarefarbettercomparedtotraditionalbookstoresastheyoffermuchmorekindsofbooks.Anotheradvantageofshoppingonlineisthatyoucanalsoreadthebookreviewsaswellasreaders'reviewstogetanideawhetherthebookisworthbuying.Onlinebookstoresoffergreatdiscounts(折扣)toregularcustomers,whichisabigattractionforbooklovers.Forbooklovers,themostimportantthingistogetbooksontime.Therefore,youneedtofindareliableonlinebookstorethatwillbeabletoprovidefastdeliveries(递送)．Herearesometipstousewhenyouarechoosinganonlinebookstore.Someonlinebookstoresarepopularforfictionbooks;somearefornon－fictionbooksornovels,etc.Understandingtheirspecializationwillhelpyougettherightkindofbookintime.Checkwhetheryouwillbuythebooksfromathirdpartysellerordirectlyfromthewebsite.Althoughtheonlinebookstorecouldbereputable(声誉好的),thirdpartysellersadvertisedonitssitemaynothaveagoodreputation.Neverjumpatstoresthatoffersupercheapprices,asbookssoldatsuchlowpricescouldbeinverybadcondition.Mostofthepopularonlinebookstoresofferusefultools.Onetoolisawishlisttoolonthewebsite.Youcanchangethelistofbooksyouwishtobuyinthefuture.Thebookstorewillknowwhatyouwantandwille－mailyouimmediatelywhenthebookofyourchoiceisavailable.文章主要介绍了在网上买书的优点，并且提出了一些须要留意的问题及建议，让读者能够又快又省地在网上买到想要的书。1．Howcanareaderbuyaworthybookwhenshoppingonline?A．Bycomparingtheservice.B．Byaskingfordiscounts.C．Byreadingonlinereviews.D．Byaskingbooksellersforadvice.答案：C解析：细微环节理解题。依据第一段中的“youcanalsoreadthebookreviewsaswellasreaders'reviewstogetanideawhetherthebookisworthbuying.”可知，在网上选书时可以查看书评和其他读者的评价来了解书是否值得购买，所以选C。2．Whatdoonlinebookloverscareaboutmost?A．Thespeedofdeliveries.B．Theauthorofbooks.C．Thepricesofbooks.D．Theconditionofbooks.答案：A解析：细微环节理解题。依据文章其次段中的“Forbooklovers,themostimportantthingistogetbooksontime.”可知，对爱书的人来说，最重要的是送货速度，所以选A。3．Whatisthethirdparagraphmainlyabout?A．Howtochooseareliableonlinebookstore.B．Howtoavoidbuyingbooksinbadconditiononline.C．Howtounderstandthespecializationofanonlinebookstore.D．Howtoadvertiseonthewebsitetogetagoodreputation.答案：A解析：段落大意题。通读第三段可知，第三段主要讲的是如何在网上选择可信任的书店，所以选A。4．Thewishlisttoolcanhelpreaders________.A．learnaboutthenumberofthebooksB．gettoknowmorereliablebooksellersC．payfortheirbooksmorequicklyD．buytheirfavoritebooksintime答案：D解析：细微环节理解题。依据文章最终一段中的“Thebookstorewillknowwhatyouwantandwille－mailyouimmediatelywhenthebookofyourchoiceisavailable.”可知，读者可以通过填心愿单来刚好得到想要的书的信息，所以选D。Ⅱ.书面表达假如你是张扬，每天看到妈妈在厨房里劳碌的身影，你觉得她很辛苦。于是你想象假如你能独创一台能做饭的机器，并且送给妈妈该