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考研
Doctors already know that people who smoke can damage their hearing. The latest study in the journal Tobacco Control,【C1】_______
Doctors already know that people who smoke can damage their hearing. The latest study in the journal Tobacco Control,【C1】_______
admin
2022-01-04
139
问题
Doctors already know that people who smoke can damage their hearing. The latest study in the journal Tobacco Control,【C1】________more than 3,000 US adults, suggests the same is true of passive smoking.
Experts believe tobacco smoke may【C2】________blood flow in the small vessels of the ear. This could starve the organ of oxygen and lead to a build up of【C3】________waste, causing damage. The harm is different【C4】________that caused by noise exposure or simple ageing.
In the study, the researchers from the University of Miami and Florida International University looked at the hearing test results of 3,307 non-smoking volunteers— some who were ex-smokers and some who had never smoked in their lifetime. The tests measured【C5】________of hearing over low, mid and high noise frequencies.
To【C6】________passive smoke exposure, the volunteers had their blood checked for a byproduct of nicotine, called cotinine, which is made when the body comes into【C7】________tobacco smoke. This【C8】________that people exposed to second-hand smoke were far more likely to have poorer hearing than others, and to a degree where they might struggle to【C9】________a conversation in the【C10】________of background noise. Passive smoking increased their risk of hearing loss across all sound frequencies by about a third.
Dr David Fabry, who led the research, said: "We【C11】________do not know exactly how much smoke you need to be exposed to in order to be at increased risk.
【C12】________we do know that the【C13】________for damage is very low. Really, the safe level of exposure is no exposure."
Dr Ralph Holme, head of another research team, said: "We already knew from our own research that regular【C14】________smoking is a significant risk【C15】________leading to hearing loss and this new study is important as it【C16】________the increased risks posed by passive smoking too. Hearing loss can often be very【C17】________and lead to social isolation, if not quickly【C18】________Before you next【C19】________a cigarette, consider how it could impact not only【C20】________your own long-term hearing but your friends’ and relatives’ too."
【C16】
选项
A、highlights
B、manages
C、takes
D、increases
答案
A
解析
本句提到这项研究重要(this new study is important),as后面解释原因。因此空格处所填单词应能解释为何该研究重要。A项highlights意为“强调”,之前人们只知道吸烟损害听力,该研究强调了被动吸烟也会增大听力损伤的风险,具有重要意义,符合语义逻辑。B项manages意为“管理”,与risk搭配意为“管理风险”,但一份研究根本不可能起到这种作用。C项takes和risk搭配后表示“承担风险”,这项研究起不到承担风险的作用,语义不符。D项increases意为“增加”,这项研究与听力损伤风险的增加无关。
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0
考研英语二
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