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1、2022年考博英语-清华大学考试题库及全真模拟冲刺卷（含答案带详解）1. 单选题I cant remember exactly what triggered the explosion but it was pretty（ ）.问题1选项A.estimatingB.devastatingC.reprocessingD.preferring【答案】B【解析】estimating 估计；devastating 毁灭性的；reprocessing 再生，（核燃料的）回收；preferring 更喜欢。句意: 我记不清是什么引起了爆炸, 非常 。B项符合句意。2. 单选题The difference
2、between avian flu and human flu that should be commanding our rapt attention today is that avian influenza, specifically the H5N1 strain known as bird flu, threatens to become the young peoples plague. And it is a growing contender to cause a devastating worldwide pandemic in the next few years.We a
3、re too used to thinking of flu as an annual annoyance that kills only the frail and elderly. But that just isnt the case for H5N1. With a mortality rate of over 50 percent, this bird flu has killed over 110 people, striking the young and able-bodied the hardest. Its victims cluster predominantly amo
4、ng 5- to-30-year-old, a pattern that has held up in the 34 known to have died from bird flu so far this year.This vulnerability may stem from the robust and fast-responding immune systems of the young. The victims overreact to the alien virus, triggering a massive immune response called a cytokine s
5、torm, turning healthy lungs into a sodden mass of dying tissues congested with blood, toxic fluid, and rampaging inflammatory cells. As air spaces choke off, the body loses oxygen and other organs fail.Scientists have recently shown that H5N1 has ominous parallels with the devastating 1918 flu pande
6、mic, which also jumped directly to humans from birds and disproportionately attacked the young and the strong. With a pattern highly suggestive of a cytokine storm, death sometimes came within just hours, turning many World War I troop ships into death ships.Now imagine hundreds of thousands of youn
7、g people laboring on respirators, or lying alone in corridors and makeshift hospital rooms, too sick to be helped when the supply of beds, equipment, and trained staff run out. Seem like hype? Not to the medical experts who discussed these scenarios during last weeks t/. 5*. News Health Summit on em
8、ergency preparedness.This picture puts a face on the U. S. Department of Health and Human Services, projections that, ifH5N1 mutates into a readily human-transmissible from 209, 000 to 1.9 million Americans could die. Part of our readiness thinking should be to heed the blunt words of HHS Secretary
9、Michael Leavitt at the summit: Any family or community that fails to prepare for the worst, with the expectation that the federal or state government will come to the rescue, will be “tragically wrong.” In a pandemic, the governments medical resources will be stretched thin, and it wont be able to g
10、uarantee first-line help to any hometown, local hospital, or college campus. Even the national stockpile of Tamiflu, the antiviral that is the best we have to prevent or lessen the impact of the illness, has its limits. If a college student is hospitalized with a possible H5N1 infection, the feds wi
11、ll provide drugs. But they will not make it available to fend off the virus in the many others who may have come in close contact with the infected student. In the existing federal guidance on H5N1, the young and healthy fall into the lowest-priority group for antiviral drugs and vaccines. Student h
12、ealth centers or other providers had better scrounge up their own stockpiles. Containing possible outbreaks on college campuses may be all but impossible. Social distancing avoiding close contact with other people with air kisses instead of smooches, or even by donning masks and gloves will be tough
13、 to enforce.The threat poses a uniquely difficult challenge. In the best of all scenarios, the virus will lose its fury and leave in its wake a new culture of individual and community preparedness. But we need to get ready now, and not for the best scenario but for the worst.1.The difference between
14、 avian flu and human flu is that（ ） .2.The reason that bird flu strikes the young and able-bodied the hardest may be（ ） .3.According to the author, which is the best source that college students can rely upon if there are outbreaks of bird flu on college campuses?4.We can learn from the passage that
15、（ ） .问题1选项A.the avian flu should be commanding our rapt attentionB.the avian flu mainly threatens the young peopleC.the avian flu is to cause a devastating worldwide pandemic in the next few yearsD.the avian flu is an annual annoyance that kills only the frail and elderly问题2选项A.the body loses oxygen
16、 and other organs failB.a sodden mass of dying tissuesC.the enthusiastic immune systems of the youngD.the overreaction of blood, toxic fluid, and rampaging inflammatory cells问题3选项A.The national stockpile of Tamiflu.B.The governments medical resources.C.Drugs provided by the feds.D.The stockpile of the students health centers.问题4选项A
