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Excerpt 1 The process of vaccination allows the patient’ s body to develop immunity to the virus or disease so that, if it i
Excerpt 1 The process of vaccination allows the patient’ s body to develop immunity to the virus or disease so that, if it i
admin
2014-03-15
34
问题
Excerpt 1
The process of vaccination allows the patient’ s body to develop immunity to the virus or disease so that, if it is encountered, one can ward it off naturally. To accomplish this, a small weak or dead strain of the disease is actually injected into the patient in a controlled environment, so that his body’ s immune system can learn to fight the invader properly. Information on how to penetrate the disease’ s defenses is transmitted to all elements of the patient’s immune system in a process that occurs naturally, in which genetic information is passed from cell to cell.
Excerpt 2
Scientists are hoping to eliminate malaria (疟疾) by developing a genetically modified mosquito that cannot transmit the disease. Malaria has long troubled the populations of South America, Africa, and Asia, where mosquito bites infect to 500 million people a year with this serous and sometimes fatal parasitic blood disease.For generations, scientists have been trying to eliminate malaria by developing new drugs and using pesticide (杀虫剂) to wipe out local mosquito populations. But these measures aren’ t working...and some scientists, like Greg Lanzaro, say that because of drug resistance and population changes, malaria is actually more prevalent now than it was 20 years ago.
Excerpt 3
Gene therapy and gene-based drugs are two ways we could benefit from our growing mastery of genetic science. But there will be others as well. Here is one of the remarkable therapies on the cutting edge of genetic research that could make their way into mainstream medicine in the coming years.
Excerpt 4
For years, pediatricians didn’ t worry much about treating hypertension in their patients. After all, kids grow so fast, it’s hard keeping up with their shoe size, let alone their blood pressure. Sure, hypertension in adults places them at greater risk of heart attack and stroke. But nobody likes the idea of starting youngsters on blood-pressure medicine they could wind up taking the rest of their lives. Who knows what previously unheard-of side effects could crop up after five or six decades of daily use? Excerpt 5
From the health point of view we are living in a marvelous age. We are immunised from birth against many of the most dangerous diseases. A large number of once fatal illnesses can now be cured by modem drugs and surgery. It is almost certain that one day remedies will be found for the most stubborn remaining diseases.
Excerpt 6
Cardiologists have pioneered the world s first non-surgical bypass operation to turn a vein into an artery using a new technique to divert blood flow in a man with severe heart disease; the keyhole procedure, which avoids the extensive invasive surgery of a conventional bypass, will offer hope to tens of thousands of people at risk from heart attacks.
Coronary heart disease, where the arteries are progressively silted up with fatty deposits, is responsible in a major industrial country like Britain for more than 160, 000 deaths each year. Although major heart surgery is becoming commonplace, with more than 28, 000 bypass operations in the UK annually, it is traumatic for patients and involves a long recovery period.
Compared to conventional bypass procedure, the new bypass treatment_____.
选项
A、makes the patient feel less painful and recover sooner.
B、is an extensive invasive surgery employing high technology.
C、can bring an artery into vein without surgery.
D、can progressively silt up with fatty deposits.
答案
A
解析
题干中的“the new bypass treatment”出自Excerpt 6的第一段(文中用的是“a new technique”)。第一段提到新搭桥手术时指出,这种手术的钻孔步骤避免了传统搭桥手术的大范围侵入,将给成千上万有心脏病发作危险的人们带来希望,第二段提到传统搭桥手术时指出,手术会给患者带来创伤,并且需要很长时间才能恢复。这说明,新手术不会给患者带来创伤,并且恢复的时间也短。A与此意符合,为正确答案。
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在职申硕(同等学力)英语
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