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考研英语二(完形填空) - 试卷 14( 总分: 120.00 ,做题时间: 90分钟 )一、 Use of English( 总题数: 3,分数: 120.00)1.Section I Use of EnglishDirections: Read the following text. Choose the best word(s) for eachnumbered blank and mark A, B, C or D. (分数: 40.00 )解析:A candlelit dinner works wonders for romance. Now scientists say it could also be good for yourheart. Breathing in candle smoke causes beneficial【 C1】 in your heart rhythm, they claim.It is thought that tiny salt particles released when the candle burns are【 C2】 the effectThe researchers monitored the hearts of 13 men and women as they breathed in air【 C3】 intoa small chamber. In some【 C4】 the air included smoke from candles in a second room. Thevolunteers didn know which type of air they were breathing, but when it included candle smoke,their heart rate variability【C5】 . Everyones heart rate varies【 C6】 all the time,beating a little bit faster when we breathe in than when we breathe out This is perfectly healthyand a sign that the brain is【 C7】 and able to regulate the heart But this variation【 C8】 as weget older and if we【C9】 heart problems. In the study, it was increased by【C10】 candle smoke.Researcher Christina Isaxon said the concentration of smoke【 C11】 during the study was similar to thatcreated by a candlelit dinner. As the volunteers couldnot see the candles and weren told what they were breathing, the effect could not be explained【 C12】by the calming effect of candlelight. Dr Isaxon believed that tiny particles of thecandle smoke could be responsible for the beneficial effects. These particles are【 C13】 regulatingthe hearts rhythm and in sending messages between cells in the body. More saltsare produced when a 【 C14】 is still. The study did not find any【 C15】 health effectsof the smoke 【 C16】 she admitted she did not make a huge effort to find any. Soot, blackpowder in the smoke, from lit candles has been【 C17】 health problems in the past. The AmericanChemical Society has warned that common wax candles release【 C18】 harmful chemicals linkedto cancer and other illnessea It recommends using beeswax. Dr Isaxon used candles made of a naturalfat in her study. She recommendedusing candles that are as natural as possible and avoiding 【C19】 anddyes as they may give off【C20】 chemicals when burned. (分数: 40.00 )(1) . 【C1】 (分数:2.00 )A.supportsB.changes VC.drivesD.spirits解析: 解析: 前一句说到烛光晚餐对心脏也有好处, 可判断, 吸人蜡烛燃烧产生的烟雾能给人们的心率带来有利的影响。B项changes “变化”代入后,搭配beneficial表明烛光晚餐可“改善”心率,呼应下文出现的“心率变异性会增高” 的结论。(2) . 【C2】 (分数:2.00 )A.behind VB.toC.amongD.with解析:解析:上文谈到蜡烛燃烧的烟雾有利于心率,空格句试着解释原因。空格后the effect 是上句谈到的烟雾对心率的影响, A 项 behind 与之搭配指“这一效果背后的原因” 。(3) .【C3】 (分数:2.00 )A.pouredB.pumped VC.blownD.dumped解析:解析:句中空格处过去分词应表明研究者在监测志愿者的心脏时对受试者所呼吸的气体 (air) 所采取的措施。 B 项 pumped 给打气;用泵输送”代入后,可指研究者为控制实验环境往志愿者所在的小房间(a small chamber)里注入气体。(4) . 【C4】 (分数:2.00 )A.waysB.areasC.respectsD.cases V解析: 解析: 下句提到, 志愿者们不知道他们呼吸的是哪种空气, 可判断研究者向小房间输入了不同类型的气体。 因此,应认为空格后的内容只是其中的一些情况。D项cases代入后可组成insome cases的固定表达,表示“有时候,在某些情况下” 。(5) . 【C5】 (分数:2.00 )A.deterioratedB.recoveredC.improved VD.injured解析:解析:首段提到吸入蜡烛燃烧产生的烟雾能给心率带来有利的影响。由此可判断当志愿者呼吸的空气中含有蜡烛烟雾时,他们的心率变异性会有所改善。C项improved “改善,好转”代入后可指心率变异性增高,语义符合语篇逻辑。(6) . 【C6】 (分数:2.00 )A.evidentlyB.habituallyC.consciouslyD.naturally V解析:解析:现在分词短语 beating a little out 的意思是“心跳在吸入空气时比呼出时快” ,作伴随状语,说明心率变化的情况。由下一句 This is perfectly healthy 可知人们的心跳在吸入空气时比呼出快,这是自然、正常的事情。故选 D 项 naturally “自然地” 。(7) . 【C7】 (分数:2.00 )A.elasticB.alert VC.awakeD.open解析:解析:根据healthy的语义,可知心率变化是人脑健康的积极反应,从而让大脑进一步地调节心脏(isable toregulate the heart . )。B项alert “警惕的,机警的”代入后,句意为“大脑警觉性高,有能力调节心脏”。(8) . 【C8】 (分数:2.00 )A.vanishesB.hidesC.falls VD.ceases解析:解析:根据自然规律,可推测“当人们变老的时候”,心率变化的生理机能会有所减退。C项falls“下降”代入后指心率变异性会随着年龄的增加而下降。(9) .【C9】 (分数:2.00 )A.develop VB.treatC.observeD.prevent解析:解析:空格处填入的动词,需能衔接we和heart problems ,且与weget older并歹U。A项develop搭配heart problems 意为“患 ( 上) 心脏病”,符合语义。(10) . 【C10】 (分数:2.00)A.measuringB.emittingC.inhaling VD.smelling解析:解析:从第二段中提到的研究来看,吸入蜡烛烟雾会增高心率变异性。C项inhaling意为“吸入,吸气”,可对应上文 breathing 一词。(11) . 【C11】 (分数:2.00)A.condensedB.dispersedC.generated VD.polluted解析:解析:基于was similar to 的语义,可认为研究者比较了“研究中的烟雾浓度” (the con-centrationof smoke. during the study)和“烛光晚餐所释放的烟雾浓度”(that created by acandlelit dinner) 。C项 generated “产生,生成”能对应that 后的 created 一词,代入后指“研究中蜡烛燃烧产生的烟雾的浓度” 。(12) . 【C12】 (分数:2.00)A.throughB.away VC.offD.along解析: 解析: 在该项研究中, 志愿者看不到蜡烛, 也未被告知所呼吸的气体, 因此不能把 “烛光具有镇静效果” (the calming effect of candlelight) 看作是改善心率的原因。B项away置于ex-plained 后,意为为辩解,代入后与谓语中的could not be 一起表达不能把 当作理由”之意。其他三个选项不与explain搭配。(13) . 【C13】 (分数:2.00)A.specialized inB.guided toC.controlled overD.involved in V解析:解析:既然蜡烛烟雾中含的微小颗粒对心脏有好处,那么它们对心率应该具有调节作用 (regulatingthe hearts rhythm) 。 D项involved in 意为参与;与相关联,代入后可指烟雾中的微小颗粒帮助调节心率,语 义符合要求。(
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