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第一节:阅读下列材料,从每题所给的四个选项(A、B、C、D)中,选出最佳选项,并在答题纸上将该选项标号涂黑。
A
(2015?浙江省温州高三第一次适应性测试)The current Ebola (埃博拉病毒) outbreak in western and central Africa has infected at least 3,069 people, including 1,552 dead, making it the largest outbreak in history. Ebola is a deadly virus —about 60 percent of people infected with it have died.
How is Ebola doing its harm?
When a person becomes infected with Ebola, the virus damages the body’s immune (免疫的) cells, which defend against infection, said a researcher at Lancaster University. But if a person’s immune system can stand up to this attack, then he is more likely to survive the disease.
The patients that survive it best are those who don’t get such a bad disadvantage in immune system. But if the body isn’t able to get rid of this attack, then the immune system becomes less able to regulate (调节) itself. This means the immune system is more likely to run out of control, leading to a drop in blood pressure, multi-organ failure and eventually death. What are the common symptoms of the disease?
Fever. Headache. Joint and muscle aches. Weakness. Diarrhea. Vomiting. Stomach pain. Lack of appetite. Chills. Rash. Redness in the eyes. Hiccups. Cough. Sore throat. Chest pain. Difficult breathing or swallowing. Bleeding inside and outside of the body. How to prevent the spread of Ebola?
Ebola can be spread primarily via direct contact with patients, specifically the blood and fluids of an infected patient.
We should avoid contact with infected patients and objects such as clothing, bedding, and needles used by them. Avoid areas where infections have been reported. For now, the disease has only been confirmed in central and West Africa, four cases in America and Europe. Avoid eating wild-caught bush meat. Researchers have suspected that the disease came to humans via animals, probably through the meat of primates(灵长类). If you’re in an area where the disease has been reported, avoid purchasing, eating, or handling wild game to stay on the safe side.
Wear protective medical clothing if you’re around infected patients. Extreme caution is necessary. Hospital workers must use masks, gloves, goggles, and gowns, which needed to be
worn at all times if you’re around infected patients. How Do People Survive Ebola?
Doctors don’t know for certain who will survive Ebola, and there is no specific treatment or cure for the disease. Although in the minority, some people do recover from infection.
Our suggestions include:
Maintain your electrolytes (电解质) and body liquid. Sports drinks can be used. Monitor your blood pressure and control it if necessary. Dropping blood pressure may be a serious sign of infection. Breathe in an oxygen-rich environment. Quickly address any symptoms of infection. Be honest about when and where you’re feeling pain. 41. Ebola causes the death of a human being by ________.
A. attacking him with high fever B. regulating his immune system C. damaging his immune cells D. harming all his organs directly 42. What is NOT mentioned as the symptom of Ebola? A. Fever and chills. B. Swallowing difficulty. C. Loss of blood. D. High blood pressure. 43. In order not to be infected by Ebola, we should _________.
A. have the clothing of the infected cleaned B. avoid eating wild animals like monkeys C. not travel to Africa, America or Europe D. stay at home without going anywhere 44. It is true that ________.
A. a certain number of people survive Ebola B. human has found a special cure for Ebola C. oxygen can save infected people’s lives D. low blood pressure is surely caused by Ebola
B
(2015?广州一模)The human body is an amazing machine. It’s tough, and we usually recover from illness or injury on our own, without the help of a doctor. But what happens when we need medical treatment? In the past, some people went to a hospital to see a medical doctor. Others preferred traditional treatments, such as herbal medicine or acupuncture (针灸). These two
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