1、国家公共英语五级（阅读理解）练习试卷 9及答案与解析 Part C Directions: Answer questions 71-80 by referring to the following games. Note: Answer each question by choosing A, B or C and mark it on ANSWER SHEET 1. Some choices may be required more than once. 0 A = Asthma B = Sinusitis C =Hay Fever In which kind of allergies .A
2、sthma Asthma is a disease of the respiratory system. Your respiratory system is made up of your nose and mouth, your windpipe that connect your nose and mouth with your lungs and people who have asthma sometimes have trouble breathing. When people who have asthma have this trouble breathing, we call
3、 it an asthma attack. During an asthma attack, it is actually harder to breathe out than it is to breathe in. This means that during an asthma attack, it takes much longer to breathe out (expire) than it does to breathe in (inspire). Lots of different things can cause an asthma attack. Something tha
4、t causes an asthma attack is called a trigger. Some common triggers of asthma attacks are: allergies, infections like colds or bronchitis, exercise, changes in the weather (from mild to cold) and smoke. Everybody doesnt feel the same things when they have an asthma attack. Sometimes, some people wil
5、l cough and cough and cough, some feel like they cant catch their breath, some people feel like air is trapped in their lungs and they cant get it out, some people have pain in their chest, and some people have very noisy breathing. Sinuses Sinuses are hollow air spaces in the human body. When peopl
6、e say, “Im having a sinus attack,“ they usually are referring to symptoms in one or more of four pairs of cavities, or sinuses, known as paranasal sinuses. Anything that causes swelling in your sinuses or keeps the cilia from moving mucus can cause sinusitis. This can occur because of changes in tem
7、perature or air pressure. Using decongestant nasal sprays too much, smoking, and swimming or diving can also increase your risk of getting sinusitis. Some people have growths called polyps that block their sinus passages. When sinusitis is caused by a bacterial or viral infection, its often called “
8、acute sinusitis“. Acute sinusitis sometimes occurs after youve had a cold. The cold virus attacks the lining of your sinuses, causing them to swell and become narrow. Your body responds to the virus by producing more mucus, but it gets blocked in your swollen sinuses. This built-up mucus makes a goo
9、d place for bacteria to grow. The bacteria can cause a sinus infection. Symptoms of sinusitis can include headache, toothache, swelling of the eyelids and tissues arotmd your eyes, and pain between your eyes, tenderness when the sides of your nose are touched, a loss of smell, a stuffy nose, earache
10、s, neck pain, and deep aching at the top of your head. Hay Fever The most common of all allergies is, of course, hay fever. Symptoms of allergic rhinitis (Hay Fever) include itchy, runny, sneezy, or stuffy noses, and itchy eyes. Allergic rhinitis is a common illness affecting an estimated 20-40 mill
11、ion Americans, and resulting in 10 million lost days of school or work each year. Often caused by pollens from trees, grass or weeds, it is most commonly known as hay fever. Hay fever subsides with the onset of cold weather. Perennial allergic rhinitis, however, occurs year around and is caused by i
12、ndoor allergens such as dust, mite, mold spores, and animal dander. Chemical substances, such as histamine, are normally stored in mast cells in tissues of the body, including the nose and eyes. The allergic person forms antibodies against pollens and other allergens. These antibodies attach themsel
13、ves to the mast cells, and when combined with the allergen the result is the release of histamine and other chemical substances from the mast cells. These chemical substances cause the allergic responses of itching, sneezing, congestion, and dripping. 国家公共英语五级（阅读理解）练习试卷 9答案与解析 Part C Directions: Ans
14、wer questions 71-80 by referring to the following games. Note: Answer each question by choosing A, B or C and mark it on ANSWER SHEET 1. Some choices may be required more than once. 【知识模块】 阅读理解 1 【正确答案】 C 【试题解析】 “Hay Fever”中叙述到 “Chemical substances， such as histamine, are normally stored in mast cel
15、ls in tissues of the body, including the nose and eyes ”，因此答案为 C。 【知识模块】 阅读理解 2 【正确答案】 A 【试题解析】 “Asthma”的第 22段第二句 “This means that during an asthma attack it takes much longer to breathe out(expire)than it does to breathe in(inspire)”，因此答案为 A。 【知识模块】 阅读理解 3 【正确答案】 A 【试题解析】 “Asthma”的第二段第 22句 “people
16、who have asthma sometimes have trouble breathing ”，因此答案为 A。 【知识模块】 阅读理 解 4 【正确答案】 B 【试题解析】 “Sinusitis”的第二段第三句 “Using decongestant nasal sprays too much smoking and swimming or diving can also increase your risk of getting sinusitis ”游泳和跳水也增加了 “getting sinusitis”的危险性，因此答案为 B。 【知识模块】 阅读理解 5 【正确答案】 C 【
17、试题解析】 “Hay Fever”有这样的叙述 “Often caused by pollens from trees，grass or weeds it is most commonly known as hay fever ”，因此答案为 C。 【知识模块】 阅读理解 6 【正确答案】 B 【试题解析】 “Sinusitis”的第二段第一句是 “When sinusitis is caused by a bacterial or viral infection， its often called acute sinusitis. ”，因此答案为 B。 【知识模块】 阅读理解 7 【正确答案
18、】 A 【试题解析】 “Asthma”的最后一段第一句 “Everybody doesnt feel the same things when they have an asthma attack ”接着叙述了各种不同的症状，因此答案为 A。 【知识模块】 阅读理解 8 【正确答案】 B 【试题解析】 “Sinusitis”的最后一段第一句 “Symptoms of sinusitis can include headache, toothache， swelling of the eyelids” 中 “swelling of the eyelids”是“Symptoms of sinusi
19、tis” 的症状之一，因此答案为 B。 【知识模块】 阅读理解 9 【正确答案】 C 【试题解析】 “Hay Fever”有这样的叙述 “Perennial allergic rhinitis， however，Occurs year around and is caused by indoor allergens such as dust， mite， mold spores， and animal dander ”对于患有 严重过敏症的人来说，一年中没有安全的时候，因此答案为 C。 【知识模块】 阅读理解 10 【正确答案】 A 【试题解析】 “Asthma”的第二段第一句 “During an asthma attack， it is actually harder to breathe out than it is to breathe in ”表明 “asthma”attack的症状之一是呼吸困难，因此答案为 A。 【知识模块】 阅读理解
