首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
考研
A candlelit dinner works wonders for romance. Now scientists say it could also be good for your heart Breathing in candle smoke
A candlelit dinner works wonders for romance. Now scientists say it could also be good for your heart Breathing in candle smoke
admin
2022-01-04
80
问题
A candlelit dinner works wonders for romance. Now scientists say it could also be good for your heart 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 effect
The researchers monitored the hearts of 13 men and women as they breathed in air【C3】________into a small chamber. In some【C4】________the air included smoke from candles in a second room. The volunteers didn’t know which type of air they were breathing, but when it included candle smoke, their heart rate variability【C5】________.
Everyone’s heart rate varies【C6】________all the time, beating a little bit faster when we breathe in than when we breathe out This is perfectly healthy and a sign that the brain is【C7】________and able to regulate the heart But this variation【C8】________as we get 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 that created by a candlelit dinner. As the volunteers could not see the candles and weren’t 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 the candle smoke could be responsible for the beneficial effects. These particles are【C13】________regulating the heart’s rhythm and in sending messages between cells in the body. More salts are produced when a【C14】________is still. The study did not find any【C15】________health effects of the smoke—【C16】________she admitted she did not ’make a huge effort’ to find any.
Soot, black powder in the smoke, from lit candles has been【C17】________health problems in the past. The American Chemical Society has warned that common wax candles release【C18】________harmful chemicals linked to cancer and other illnesses. It recommends using beeswax.
Dr Isaxon used candles made of a natural fat in her study. She recommended using candles that are as natural as possible and avoiding【C19】________and dyes as they may give off【C20】________chemicals when burned.
【C18】
选项
A、potentially
B、periodically
C、instantly
D、permanently
答案
A
解析
句子的语义表明这些化学物质是常见的蜡烛释放出来的,且与癌症和其他疾病相关。换言之,这些诱发癌症和其他疾病的化学物质是对身体有潜在威胁的化学物质,故A项potentially“潜在地”符合语义要求。无判断这些化学物质的危害所持续的时间和方式。因此需排除B项periodically“周期性地”和D项permanently“永久性地”。这些化学物质不可能马上引起癌症和其他疾病,C项instantly“立即地”不能满足逻辑要求。
转载请注明原文地址:https://www.kaotiyun.com/show/JeY4777K
0
考研英语二
相关试题推荐
Thebesttitleforthispassagewouldbe______.Defenseattorneysarevitaltothejudicialsystembecausewithoutthem,itwo
ManyAmericansregardthejurysystemasaconcreteexpressionofcrucialdemocraticvalues,includingtheprinciplesthatallc
ManyAmericansregardthejurysystemasaconcreteexpressionofcrucialdemocraticvalues,includingtheprinciplesthatallc
Nameshavegainedincreasingimportanceinthecompetitiveworldofhighereducation.Ascollegesstriveformarketshare,they
Scientistsoftenstruggletocommunicatethefindingsofresearch.Oursubjectmattercanbetechnicalandnoteasilydigestedb
Thebattletopreventoratleastslowglobalwarminghasintensifiedinthepastyearasscientistshavelearnedmoreaboutthe
Thebattletopreventoratleastslowglobalwarminghasintensifiedinthepastyearasscientistshavelearnedmoreaboutthe
Thebattletopreventoratleastslowglobalwarminghasintensifiedinthepastyearasscientistshavelearnedmoreaboutthe
Afull-timejobdoesn’thavetodestroyallhopeoffamilydinnersorafternoonplaytime.Womencanincreasetheirchancesofge
随机试题
下列属于悼亡诗的是()
某患者,女,38岁,慢性腹泻3年,大便每天2~4次,常带少量黏液,反复粪便致病菌培养阴性,结肠镜检查见为直肠、降结肠和横结肠充血、水肿,黏膜粗颗粒样改变,质地脆,易出血,有少数散在浅溃疡。首选的治疗方案是()
建设项目人力资源管理不仅需要有一般的人力资源管理知识,项目经理还应当考虑建设项目组织的()。
管井井点的适用范围是:土的渗透系数为(),降低水位深度为()。
人民法院依照法律规定的强制执行程序转让有限责任公司股东的股权时,应当通知公司及全体股东,其他股东在同等条件下有优先购买权。其他股东自人民法院通知之日起满()日不行使优先购买权的,视为放弃优先购买权。
某年的3月有5个星期一和4个星期二,则该年的国庆节是()。
首次提出了教育必须适应自然(儿童天性)的思想,论证了以美育为重点的德、智、美和谐发展的原则的是()。
宋朝例的形式中,中央官署对下级官署下达的命令是()
Whendoyouthinkthisconversationtookplace?
Hisstrangebehaviorconfirmedhisneighborsintheir______thathewasguilty.
最新回复
(
0
)