专题19并列连词和状语从句-（2017-2021）高考英语真题分项详解试题

专题19并列连词和状语从句【2021年】1．（2021·天津卷）Weallneedtogetinvolvedinsavingenergy________it'satwork,athome,oratschool.A．unless B．once C．whether D．because2．（2021·天津卷）WhatpuzzlesLily'sfriendsis________shealwayshassomanycrazyideas.A．whether B．why C．what D．when3.（2021·全国乙卷短文改错）Ilovedoinghousework.Ialwaysassistmyparentsindoingthedishesaftermeals.Ialsowatertheflowersintheyardandtidyupmyownbedroomwhatevernecessary.4.（2021·浙江1月卷）阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。Inastudyof33yearsoftrendsinBodyMassIndex(体重指数)across200countries,thescientistsfoundthatpeopleworldwidearegettingheavier28．thatmostoftheriseisduetogainsinBMIinruralareas.BMIisaninternationallyrecognizedmeasurementtool29．givesanindicationofwhethersomeoneisahealthyweight.Itiscalculatedbydividinga30．(person)weightinkgbytheirheightinmeterssquared.andaBMIofbetween19and2531．(consider)healthy.Thestudyfoundthatbetween1985and2017,averageruralBMIincreased32．2.1inwomenandmen.Incities,however,thegain33．(be)1.3inwomenand1.6inmen.Theresearchersdescribed“strikingchanges”inthegeographyofBMI.Tn1985，urbanmenandwomeninmorethanthreequartersofthecountries34．(study)hadhigherBMIsthanmenandwomeninruralareas.But30yearslater,theBMIdifferencebetweenurbanandruralpeopleinmanycountrieshadnarrowed35．(sharp).Thismaybeduetosomedisadvantagesforpeople36．(live)inthecountryside,including37．(low)levelsofincomeandeducation,highercostsofhealthyfoods,andfewersportsfacilities.【2020年】1.（2020·江苏卷）Theydecidetohavemoreworkersfortheproject____itwon’tbedelayed.A.evenif B.asif C.nowthat D.sothat【2019年】1.【2019·江苏卷】Thedoctorshareshisphonenumberwiththepatients__________theyneedmedicalassistance.A.ifonly B.asif C.eventhough D.incase2.【2019·天津卷】Tomissoindependentthatheneveraskshisparents'opinion_________hewantstheirsupport.A.since B.onceC.unless D.after3.【2019·新课标I卷】Suddenlyfootballfeeljustinfrontofmebutalmosthitme.4.【2019·新课标II卷】Idon'tseeanyreasontogiveupwork.IlovecominghereandseeingmyfamilyandallthefriendsIhavemade_(make)overtheyears.IworknotbecauseIhaveto,___67___becauseIwantto.”5.【2019·新课标III卷】Onourwaytothehouse，itwasraining___61___hardthatwecouldn'thelpwonderinghowlongitwouldtaketoget(get)there.ItwasinthemiddleofPearlCity.【2018年】1.【2018·江苏】_______you

can

sleep

well,

you

will

lose

the

ability

to

focus,

plan

and

staymotivated

afteroneor

two

nights.A.Once B.Unless C.If D.When2.【2018·天津】Let'snotpickthesepeachesuntilthisweekend___________theygetsweetenoughtobeeaten.A.eversince B.asif C.eventhough D.sothat3.【2018·北京】_________wedon’tstopclimatechange,manyanimalsandplantsintheworldwillbegone.A.Although B.While C.If D.Until【2017年】1.【2017·北京】Ifyoudon’tunderstandsomething,youmayresearch,study,andtalktootherpeople_______youfigureitout.A.because B.though C.until D.since2.【2017·北京】______birdsusetheirfeathersforflight,someoftheirfeathersareforotherpurposes.A.Once B.If C.Although D.Because3.【2017·北京】—Peter,pleasesenduspostcards______we’llknowwhereyouhave