职称英语考试《卫生类》历年真题精选及答案0514-6
职称英语考试卫生类(C级)试题及答案

05年职称英语考试卫生类(C级)试题及答案(4)A New Definitions of the Old ManB Changing Concept of the Old ManC Health of the old ManD Happy Old Man And Sad Old ManE Limited Knowledge of the OId Mall’s ExperiencesF Contempt for the Old Man27 Nowadays men generally live longer than_____28 A man in his mid-60s is now regarded as_____29 More research should be done on the experiences of_____30 Most old men consider themselves to be_____A in good healthB in the pastC in the wrongD the old manE a middle-aged manF a young man第4部分:阅读理解(第31~45题,每题3分,共45分)下面有3篇短文,每篇短文后有5道题,每道题后面有4个选项。
请根据文章的内容从每题所给的4个选项中选择1个答案,涂在答题卡相应的位置上。
第一篇US States Do Poorly in Women’s HealthNot a single US state meets basic feder al goals for women’s health,and the nation as a whole fails except in two areas—mammograms(乳腺x光照片)and dental(牙齿的)check-ups—researchers said on ThursdayMillions of women lack health insurance,and states make it difficult to enroll(加八)in Medicaid.the state-federal health insurance plan for the poor,according to the report.And few states are doing anywhere near enough to help women quit smoking——the leading cause of death in the United States“The nation as a whole and the i ndividual states fall short of meeting national goals,”reads the report.put together by the National Women’s Law Center and the Oregon Health&Science University.“These health goals provide a road map for assessing the status of women’s health.”Of 27 measures examined by the group,from screening for diseases to actually treating them.the nation passes on only two,the researchers said“The nation is so far from the health goals that it receives an overall grade of‘unsatisfactory’,”they wrote.The problem seems to be a lack among states of an overall plan for health in general,the NWLC said.“State policy makers’ piecemeal(一件一件做的)approach to our health care crisis has resulted in a complex and ineffective system that fails to meet the health care ne eds of women,” Judy Waxman NWLC Vice President for Health,said in a statement.“Lawmakers need to take a comprehensive,long-term approach to meeting women ‘s health needs and tackle this serious problem that troubles so many families.31 In which area is the nation successful?A Dental check-ups.B Health promotion.C Disease screeningD Cancer treatment.。
职称英语考试《卫生类》历年真题精选及答案0514-42

职称英语考试《卫生类》历年真题精选及答案0514-421、We've seen a marked shift?in our approach to the social issues.【单选题】A.clearB.regularC.quickD.great正确答案:A答案解析:题干大意:在解决这些社会问题上,我们看到了明显的转变。
marked意为“明显的”,如:marked?increases(明显的增长)。
clear意为“清晰的”,最符合题意,如:a?clear?explanation(清晰的解释)。
regular意为“规律的”,如:regular?heart?beats(规律的心跳)。
quick意为“迅速的”,如:a?quick?answer(迅速的回答)。
great意为“伟大的”,如:a?great?career(伟大的事业)。
2、Many young began to taking drugs without realizing what the danger is. 【单选题】A.riskB.harmC.painD.effect正确答案:A答案解析:danger和risk意思相同,表示“危险、风险”;harm:伤害、损害;pain:痛苦;effect:结果、效果。
3、It is very considerate of you to remember my birthday. 【单选题】A.thoughtfulB.considerableC.carefulD.concerned正确答案:A答案解析:considerate和thoughtful同义:体贴的、考虑周到的;considerable:相当大(或多)的、相当可观的;careful:谨慎的、小心的;concerned:挂念的、担心的、有关的。
4、They say Ireland's the BestIreland is the best place in the world to live in for 2005, according to a life quality ranking that appeared in Britain's Economist magazine last week.The ambitious attempt to compare happiness levels around the world is based on the principle that wealth is not the only measure of human satisfaction and well-being.The index of 111 countries uses data on incomes, health, unemployment, climate, political stability, job security, gender equality as well as what the magazine calls "freedom, family and community life".Despite the bad weather, troubled health service, traffic congestion (拥挤), gender inequality, and the high cost of living, Ireland scored an impressive 8.33 points out of 10.That put it well ahead of second-place Switzerland, which managed 8.07. Zimbabwe, troubled by political insecurity and hunger, is rated the gloomiest (最差的) , picking up only 3.89 points."Although rising incomes and increased individual choices are highly valued, " the report said, "some of the factors associated with modernization such as the breakdown in traditionalinstitutions and family values in part take away from a positive impact."Ireland wins because it successfully combines the most desirable elements of the new with the preservation of certain warm elements of the old, such as stable family and community life. "The magazine admitted measuring quality of life is not a straightforward thing to do, and that its findings would have their critics.No. 2 on the list is Switzerland. The other nations in the top 10 are Norway, Luxembourg, Sweden, Australia, Iceland, Italy, Denmark and Spain.The UK is positioned at No. 29, a much lower position chiefly because of the social and family breakdown recorded in official statistics. The US, which has the second highest per capita GDP after Luxembourg, took the 13th place in the survey. China was in the lower half the league at 60th.The United States of America is among the top 10 countries.【单选题】A.RightB.WrongC.Not mentioned正确答案:B答案解析:问题句说“美国位于前十个国家的行列”。
职称英语考试《卫生类》历年真题精选及答案0514-53

职称英语考试《卫生类》历年真题精选及答案0514-531、Cooking Oil Fumes Cause TumorThe leading cause of lung cancer among women in the city was cooking oil fumes while men are more likely to develop the disease from smoking, said medical experts after a fiveyear research study.Doctors announced the results yesterday with analysis on some new tendencies in lung cancer, They said patients are younger, especially women.According to the Shanghai Tumor research Institute, more local residents die of lung cancer in the city than anything else. Following breast cancer, it has the second-highest incidence rate."An unhealthy lifestyle is a very important reason for lung cancer," said Dr He Yumin from Shanghai Minshen Traditional Chinese Medicine Tumor Diagnosis and Treatment Center.He followed 2,276 lung cancer patients for five years. Among them, 1,433 were male.Smoking causes 70 percent of cases among men while only 18 percent of female patients developed cancer from smoking or inhaling second-hand smoke, according to the report. However, more than 60 percent of women with the disease had long term, close contact with strong oil fumes from cooking and complained about irritated eyes and throat.About 32 percent of women fried foods in boiling oil in unventilated kitchens and about 25 percent of women's bedrooms were adjacent to the kitchen.However, local women were surprised to learn cooking oil fumes could lead to cancer. Some claimed they may change food preparation methods."Unless my family and I don't eat at home every day, I must stay in the kitchen to cook," said Xu Li, a 45-year-old local woman. "I know the fumes are bad for the skin, but it is the first time I heard that it can result in lung cancer. I have already started frying less. "Doctors said women's lung cancer had few links to personal health and physical condition, but was closely related to family cancer history, unhealthy dietary habits and weak immune systems.Other experts agreed with him."Smoking is by far the biggest cause of lung cancer for men," said Dr. Tan Binyong, honorary president of the Respiratory Disease Institute at Fudan University's Medical College. "It's true that second-hand smoke and cooking fumes are the main causes among women. "His research also warned people not to stand near of stalls selling fried foods due to the poor quality of oils used.The chance of catching lung cancer is three times higher if exposed to the fume for a long time, experts said.Which of the following diseases is the most common among the local residents in Shanghai?【单选题】A.Heart disease.B.Breast cancer.C.Infectious diseases.D.Lung cancer.正确答案:B答案解析:细节考查题。
职称英语考试卫生类试题及答案(6)

职称英语考试卫生类试题及答案(6)There are many other foods that have traveled from South America to the Old World. But some others went in the opposite direction. Brazil is now the world's largest grower of coffee, and coffee is an important crop in colombia and other South American countries. But it is native to Ethiopia, a country is Africa. It was first made into a drink by Aragbs during the 1400's.According to an Arabic legend, coffee was discovered when a person named kaldi noticed that his goats were attracted to the red berries on a coffee bush. He tried one and experienced the "wide- awake" feeling that one-third of the world's population now starts the day with.36 According to the passage, which of the following has changed the most in the last 500 years?A ClothingB FoodC IdeologyD Language37 "some" in the last sentence of the first paragragh referstoA some cocoa treesB some chocolate drinksC some South American IndiansD some shops38 Thousands of Irish people starved during the "Potato Famine" becauseA they were so dependent on potatoes that they refused to eat anything elseB they were forced to leave their homeland and move to America.C the potato harvest was badD the weather conditions in Ireland were not suitable for growing potatoes.39 Which country is the largest coffee producer?A ColombiaB BrazilC Ethiopia.E Egypt40 Which of the following statements is Not True, Acoording to the passage?A Coffee is native to colombiaB One-third of the world's population drinks coffee.C Coffee can keep one awake.D Coffee drinks were first made by Arabs.第三篇:Giving Up SmokingA number of devices are available to help a person quit smoking. Nicotine(尼古丁) patches are small,nicotine-containing adhesive(粘着性的) discs applied to the skin. The nicotine is slowly absorbed through the skin and enters the bloodstream. Over time, the nicotine dose is reduced and eventually the desire for nicotine is eased. Nicotine gum works in a similar manner, providing small doses of nicotine when chewed.【备注说明,非正文,实际使用可删除如下部分。
职称英语考试《卫生类》历年真题精选及答案0514-25

职称英语考试《卫生类》历年真题精选及答案0514-251、Many cities have restricted smoking in public places.【单选题】A.limitedB.allowedC.stoppedD.kept正确答案:A答案解析:题干大意:许多城市禁止在公共场合抽烟。
restrict意为“限制”,如:The?trees?restrict?our?view.(这些树局限了我们的视野。
)limit意为“限制”,最符合题意,如:He?must?limit?the?number?of?cigarettes?he?smokes.(他必须限制抽烟的数目。
)allow意为“允许”,如:Please?allow?me?to?express?my?warm?welcome?to?our?gue sts.?(请允许我向来客表示热烈的欢迎。
)stop意为“停止”,如:Stop?talking.(别说话。
)keep意为“保持”,如:keep?silence (保持沉默)。
2、Rodman?met?with?Tony?to?try?and?settle?the?dispute?over? his?contract.【单选题】A.markB.involveC.solveD.avoid正确答案:C答案解析:题干大意:罗德曼与托尼会面,尝试解决他们的合同纠纷。
句子中的画线部分意为“解决”。
四个选项中,solve 意为“解决”;avoid意为“避免”,如:We?must?take?measures?to?avoid?the?traffic?accidents.(我们必须采取措施以避免发生交通事故。
)mark意为“做标记”;involve意为“卷入、陷入”。
和involve有关的短语有involved?in “卷入……”;involve?with“涉及,和……有关”。
3、The polar lights, one of the most unusual phenomena in nature, is beautiful to behold. 【单选题】A.viewB.relateC.sketchD.withhold正确答案:A答案解析:behold:看,和view(观察、观看)词义相近;relate:叙述、讲;sketch:素描、勾画;withhold:保留、抑制。
职称英语考试卫生类真题与答案

职称英语考试卫生类真题与答案职称英语考试卫生类真题与答案很多考生在备考全国职称卫生类考试的时候,难免是会不知道要做一些样的真题的'。
下文是店铺为大家准备了全国职称英语卫生类考试的一些真题与参考答案相关内容,希望能对大家有所帮助!全国职称英语卫生类考试真题及答案:补全短文US Signs GlobalTobacco Treaty1 The UnitedStates has taken the first step toward approvinga global tobacco treaty thatpromises to help control the deadly effects of tobacco use throughout theworld. Health and Human Services Secretary Tommy Thompson signed the FrameworkConvention on Tobacco Control (FCTC) this week at the United Nations. (46)_____2 The FCTC wasdeveloped by the World Health Organization and approved by members of the WorldHealth Assembly,including the United States, last year.(47)_____3 For instance,cigarettes sold in those countries would have to have health warnings on atleast 30% of the front and back of every pack. (48)_____It also requires banson tobacco advertising, though there are some exceptions for countries like theUnited States, where the Constitution prohibits such an outright ban.4 (49)_____ TheWorld Health Organization estimates that tobacco use kills nearly5 millionpeople worldwide every year. In the US alone, about 440,000 people die eachyear from tobacco-related illnesses; about one-third of all cancers in the USare caused by tobacco use. If current trends continue, WHO estimates, by 2025tobacco will kill 10 million people each year.5 The treaty mustbe ratified by at least 40 countries before it can take effect. (50)_____A. Tobacco stocksalso perked up as investors discounted fears of litigation(诉讼) from the US.B. So far, 109countries have signed it, and 12 have ratified it.C. The impact ofthe treaty could be huge.D. Countries thatratify it would be required to enact strict tobacco control policies.E. The treatycalls for higher tobacco taxes, restrictions on smoking in public places, andmore promotion of tobacco prevention and cessation programs.F. The Senate muststill approve the treaty before the US can implement its provisions.46——50:FDECB全国职称英语卫生类考试真题及答案:阅读理解Deforestation and Desertification(沙漠化)The Sahel zone lies between the Sahara desert and the fertilesavannahs(热带大草原)of northern Nigeria and South Sudan. The word sahel comes from Arabic and means marginal or transitional ,andthis is a good description of these semi-arid (半干旱)lands, whichoccupy much of the Western African countries of Mail, Mauritania, Niger, andChad.Unfortunately, over the last century the Sahara desert has steadilycrept southwards eating into once productive Sahel lands. United Nationssurveys show that over 70 percent of the dry land in agriculture use in Africahas deteriorated over the last 30 years. Droughts have become more severe, themost recent lasting over twenty years in parts of the Sahel region. The sameprocess of desertification is taking place across southern Africa as theKalahari desert advances into Botswana and parts of South AfricaOne of the major causes of this desert advance is pooragriculturalland use, driven by the pressures of increasing population. Overgrazing 一keeping toomany farm animals on the land一 means that grasses and other plants cannot recover, and scarcewater supplies are exhausted. Overcultivation 一 trying to grow toomany crops on poor land 一results in the soil becoming even less fertile and drier, andbeginning to break up. Soil erosion (侵蚀) follows, and theland turns into desert.Another cause of desertification is loss of tree cover. Trees arecut down for use as fuel and to clear land for agricultural use. Tree rootshelp to bind the soil together, to conserve moisture, and to provide a habitatfor other plants and animals. When trees are cut down, the soil begins to dryand loosen, wind and rain erosion increase, other plant species die, andeventually the fertile topsoil may be almost entirely lost, leaving only barerock and dust.The effects of loss of topsoil and increased drought are irreversible.They are, however, preventable. Careful conservation of tree cover andsustainable agricultural land use have been shown to halt deterioration ofsoils and lessen the effects of shortage of rainfall. One project in Kita insouth-west Mali funded by UNDP has involved local communities in sustainablemanagement of forest, while at the same time providing a viable(有活力的)agriculturaleconomy. This may be a model for similar projects in other West Africancountries.36.The Sahel zone is anarea which ___.A.is covered with sad and grassB. has a long historyC. occupies much of South NigeriaD. belongs to Sudan37. What is the situation about thedesertification in Africa?A. The deserts are replaced with grasslandsB.The deserts are expandingC. the deserts are moving northwardsD. the deserts are being deserted38. The word “deteriorated ” in paragraph 2means ___.A. deepenedB. sufferedC. slippedD.worsened39. What is the root cause ofdesertification?A.poor farmingB. overpopulationC. radical climate changeD. disappearance of rare plant species40. In order to prevent desertification, theauthor proposes ___.A. making good use of international aidsB.developing a sustainable agricultural economyC. gaining international supportD. converting agricultural land into forest答案:ABDAB全国职称英语卫生类考试真题及答案:词汇选项1. We are worried about this fluid situationfull with uncertainty.A. stableB. suitableC. changeableD. adaptable2. The umbrella was ingeniously devisedto fold up into the pocket.A. seriouslyB.cleverlyC. attentivelyD. carefully3. Competitors must abide by thejudge's decisionA. keepB. readC. understandD. obey4. The details of the costume were totally authentic.A. outstandingB. realC. creativeD. false5. She is an artist whose work willundoubtedly withstand the test of time.A. gradeB. attractC. bearD. suffer6. The new garment fits herperfectly.A. clothesB. haircutC. purseD. necklace7. The way she looked after her young sisterwas really touchingA. disturbingB. connectingC. movingD. waving8. Some newspapers in the west are notably biased.A. especiallyB. whollyC. totallyD. fairly9. The coastal area has very mild winter, but the central plains remain extreme.A. severeB. hardC. warmD. dry10. They have built canals to irrigatethe desert.A. decorateB. changeC. visitD. water11. He wore a shabby thin overcoatin the cold winter so that he fell ill.A. oldB. bigC. newD. small12. His answers were obscure andconfusing.A. unclearB. obviousC. clearD. direct13. Only people over 18 are eligibleto vote.A. honestB. qualifiedC. enabledD. clever14. The weather was so gorgeous thatmany people went outing.A. uncontrollableB.pleasantC. cloudyD. unbearable15. The latest car model embodies thenew research development.A. listsB. includesC. borrowsD. broadens答案:CBDBCACACDAABBB。
全国职称英语等级考试卫生类级参考答案及解析

2013试(卫生类A)析第1部分:词汇选项1.【 】A【题 】 生 原则。
A.主要 ,基 B.道德 ,精神 C.定期 ,有规 D.硬 ,艰难【 析】 查形容词。
划线词card inal为“基 ,主要 ”, fundamental。
为A。
【 点延伸】表示“ ,基 ”词还有basic(基 ,基础 ),radical( ,激进 ),prime(主要 ,首要 )2.【 】B【题 】 。
A.拒绝,排斥B.支持, C.使服从, 交D. 虑,认为【 析】 查动词。
划线词endo rse 为“签署, ,认可”, approv e为 词,为B。
【 点延伸】表示“ ” 词还有con sent( ,),support(支持,),sancti o n(认可,支持;制裁,处罚),agree( , )3.【 】D【题 】 持怀疑态度。
A.未受影响 ,未改变 B.必然 ,无疑 , 定 C.沉默 ,寂静 D.怀疑 ,不 定【 析】 查形容词。
划线词skep tical为“怀疑 ”, doubtf ul为 词, 为D。
【 点延伸】-ful表示形容词,如doubtf ul(怀疑 ),success ful( 功 ),hopeful(有希望 )4.【 】D【题 】 绝 , 为 受 。
A.死 ,变 死 B.经过,逝去C.运走,带走D. 绝,绝【 析】 查短 。
划线词dieout 为“ 绝,消失”,become extinct为 词, 为D。
【 点延伸】die off(相继死去),die of/from(死于),die away(减弱,消失)【题 】 期 交 很简单。
A.可靠 ,可信 B.有效 ,起作 C.简单 D.选择性 ,交替【 析】 查形容词。
划线词prim itive为“原始 ,简单 ,粗糙 ”, simple为 词, 为C。
【 点延伸】-able表示形容词,如reliab le(可信 ,可靠 ),dependa ble(可依靠 );-tive表示形容词,如effect i ve(有效 ),active(积极 )6.【 】D【题 】 选 冠军。
职称英语考试《卫生类》历年真题精选及答案0514-56

职称英语考试《卫生类》历年真题精选及答案0514-561、Smallpox virusIt's now a fair bet that we will never see the total extinction of the smallpox virus. The idea was to cap the glorious achievement of 1980, when smallpox was eradicated in the wild, by destroying the killer virus in the last two labs that are supposed to have it—one in the US and one in Russia. If smallpox had truly gone from the planet, what point was there in keeping these reserves?In reality, of course, it was naive to imagine that everyone would let go of such a potential weapon. Undoubtedly several nations still have a few vials. And the last “official” stocks of live virus bred mistrust of the US and Russia, for no obvious gain. Now American researchers have found an animal model of the human disease, opening the way for tests on new treatments and vaccines. So one again there's a good reason to keep the virus—just in case the disease puts in a reappearance.How do we deal with the mistrust of the US and Russia? Simple. Keep the virus ____ international auspices in a well-guarded UN laboratory that's open to all countries. The US will object, of course, just as it rejects a multilateral approach to just about everything. But it doesn't mean the idea is wrong. If the virus is useful, then let's make it the servant of all humanity—not just a part of it.【单选题】A.underB.inC.onD.or正确答案:A答案解析:此题考查固定搭配。
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职称英语考试《卫生类》历年真题精选及答案0514-61、He demolished my arguments in minutes.【单选题】A.disprovedB.disputedC.acceptedD.supported正确答案:A答案解析:题干大意:他在几分钟内就驳倒了我的观点。
demolish意为“推翻,驳倒”;disprove意为“反驳”,例如:It?is?nearly?impossible?to?disprove?a?rumor.(要辟谣几乎是不可能的。
)dispute意为“辩论,怀疑”,例如:We?disputed?with?each?other?on various?issues.(我们为各种问题互相争论。
)support意为“支持,扶持”,例如:I?will?always?support?you?whatever?you?do.(不论你做什么,我都会支持你。
)2、CancerCancer is a group of many related diseases that begin in cells, the body's basic building blocks. The body is made up of many types of cells. Normally cells grow and divide to produce more cells as they are needed to keep the body healthy. Sometimes, this orderly process goes wrong. New cells form when the body does not need them, and old cells do not die when they should. The extra cells form a mass of tissue called a growth or tumor. Benign (良性的) tumors are not cancer. They can often be removed and, in most cases, they do not come back. Malignant (恶性的) tumors are cancer. Cells in malignant tumors are abnormal and divide without control or order.Scientists have learned that cancer is caused by changes in genes that normally control the growth and death of cells. Certain lifestyle and environmental factors can change some normal genes into genes that allow the growth of cancer. Many genechanges that lead to cancer are the result of tobacco use, diet, exposure to ultraviolet radiation from the sun, or exposure to carcinogens (致癌物) in the workplace or in the environment. Some gene alterations are inherited.Cancer treatment can include surgery, radiation therapy, chemotherapy (化疗), hormone therapy, and biological therapy. The doctor may use one method or a combination of methods, depending on the type and location of the cancer, whether the disease has spread, the patient's age and general health, and other factors. Because treatment for cancer can also damage healthy cells and tissues, it often causes side effects. Patients and doctors generally discuss the treatment options, weighing the likely benefits of killing cancer cells and the risks of possible side effects.Having cancer does not always mean having pain. Whether a patient has pain may depend on the type of cancer, the extent of the disease, and the patient's tolerance for pain. Most pain occurs when the cancer grows and presses against bones, organs, or nerves. Pain may also be a side effect of treatment. However, pain can generally be relieved or reduced with prescription medicines or over-the-counter drugs recommended by the doctor.Paragraph 1____.【单选题】A.Does cancer always cause painB.Can cancer be preventedC.What is cancerD.How common is cancerE.What causes cancerF.How is cancer treated正确答案:C答案解析:第一段没有主题句,该段主要介绍了癌症是由控制细胞生长增殖机制失常而引起的疾病,本段对癌症进行了简单的界定。
显然,该段回答了C选项“What is cancer?”所提问题,故C为正确答案。
3、Almost everyone at the meeting has different views.【单选题】A.SceneryB.sightC.understandingD.opinion正确答案:D答案解析:view在此句中和opinion意思相同,表示“意见、看法、主张”;scenery:风景、景色;sight:视力、视线范围、眼界;understanding:理解、谅解。
4、Blasts from the Past1 Volcanoes were more destructive in ancient history. Not because they were bigger, but because the carbon they released wiped out life with greater ease.2 Paul Wignall from the University of Leeds was investigating the link between volcanic eruptions and mass extinctions. Not all volcanic eruptions killed off large numbers of animals, but all the mass extinctions over the past 300. million years coincided with huge formations of volcanic rock. To his surprise, the older the massive volcanic eruptions were, the more damage they seemed to do.3 Wignall calculated the "killing efficiency" for these volcanoes by comparing the proportion of life they killed off with the volume of lava that they produced. He found that size for size, older eruptions were at least 10 times as effective at wiping out life as their more recent rivals.4 The Permian extinction, for example, which happened 250 million years ago, is marked by floods of volcanic rock in. Siberia that cover an area roughly the size of western Europe, Those volcanoes are thought to have pumped out about 10 gigatonnes of carbon as carbon dioxide, The global warming that followed wiped out 8 per cent of all marine genera at the time, and it took5 million years far tire planet to recover.5 Yet 60 million years ago in the late Palaeocene there was another huge amount of volcanic activity and global-warming but no mass extinction. Some animals did disappear but things returned to normal within ten thousands of years, "The most recent ones hardly have an effect at all," Wignall says. He ignored the extinction which wiped out the dinosaurs at the end of the Cretaceous, 65 million years ago, because many scientists believe it was primarily caused by the impact of an asteroid.6 Wignall thinks that older volcanoes had more killing power because more recent life forms were better adapted to dealing with increased levels of C02 Ocean chemistry may also have played a role. As the supercontinents broke up and exposed more coastline there may have been more weathering of silica rocks. This would have encouraged the growth of phytoplankton in the oceans, increasing the amount of C02 absorbed from the atmosphere.7 Vincent Courtillot, director of the Paris Geophysical Institute in France, says that Wignall's idea is provocative. But he says it is incredibly hard to do these sorts of calculations. He points out that the killing power of volcanic eruptions depends on how long they fasted. And it is impossible to tell whether the huge blasts lasted for thousands or millions of years.8 Courtillot also adds that it is difficult to estimate how much lavaprehistoric volcanoes produced, and that lava volume may not necessarily correspond to carbon dioxide or sulphur dioxide emissions.Paragraph 4____【单选题】A.Killing Power of Ancient Volcanic EruptionsB.Association of Mass Extinction with Volcanic EruptionC.Calculation of the Killing Power of Older EruptionsD.A Mass ExtinctionE.Volcanic Eruptions That Caused No Mass Extinctionounting for the Killing Power of Older Eruptions正确答案:D答案解析:A mass extinction意为“一次大量的生物灭绝”。