首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
An allergy is an unusually strong reaction (31) a substance. Many things can cause allergies. The most common cause is pollen. T
An allergy is an unusually strong reaction (31) a substance. Many things can cause allergies. The most common cause is pollen. T
admin
2009-06-24
45
问题
An allergy is an unusually strong reaction (31) a substance. Many things can cause allergies. The most common cause is pollen. Trees usually produce pollen in the spring, grasses in the summer and weeds in the fall (32) part of their reproductive process.
Other causes include organisms such as dust mites and molds. Chemicals, plants and dead skin particles (33) dogs and cats can also cause allergic reactions. (34) can insect stings and some foods.
The most common kind of (35) reaction is itchy, watery eyes and a blocked or watery nose. Allergies can also (36) red, itchy skin. Some reactions can be life-threatening—for example, when breathing passages become (37).
Avoiding (38) causes an allergy may not always be easy. Antihistamine drugs (39) offer an effective treatment. Another (40) used in some cases is called immunotherapy. A patient is (41) with small amounts of the allergy-causing substance. The idea is that larger and larger amounts are given over time (42) the patient develops a resistance (43) the allergen.
In the United States, experts estimate that up to four percent of adults and up to eight percent of young children have food (44). Every year these allergies cause about thirty thousand (45) of anaphylaxis, a severe reaction that requires immediate treatment.
It can result (46) trouble breathing and in some cases death. The National Institute of Allergy and Infectious Diseases says one hundred to two hundred people die. It says most of the reactions are caused (47) peanuts and tree nuts such as walnuts.
People can also be allergic to medicines. The American Academy of Allergy, Asthma and Immunology says about five to ten percent of bad reactions to commonly used (48) are allergic. In other words, a person’s immune system overreacts and (49) an allergic reaction. The (50) common reactions include skin rashes, itching, breathing problems and swelling in areas such as the face.
选项
答案
medicines
解析
转载请注明原文地址:https://kaotiyun.com/show/H0Hd777K
本试题收录于:
公共英语五级笔试题库公共英语(PETS)分类
0
公共英语五级笔试
公共英语(PETS)
相关试题推荐
SchoolingandEducationItiscommonlybelievedintheUnitedStatesthatschooliswherepeoplegotogetaneducation.Neve
CulturalDifferencesPeoplefromdifferentculturessometimesdothingsthatmakeeachotheruncomfortable,sometimeswithou
CulturalDifferencesPeoplefromdifferentculturessometimesdothingsthatmakeeachotheruncomfortable,sometimeswithou
CulturalDifferencesPeoplefromdifferentculturessometimesdothingsthatmakeeachotheruncomfortable,sometimeswithou
CulturalDifferencesPeoplefromdifferentculturessometimesdothingsthatmakeeachotheruncomfortable,sometimeswithou
Thesteadilyrisingcostoflaboronthewaterfronthasgreatlyincreasedthecostofshippingcargobywater.
ReducePackagingPressureincreasedrecentlyonBritishsupermarketsandretailerstoreducepackagingaspartofananti-wa
A.differsamonganimalspeciesB.topsychologicaldistanceC.begintoattackD.tophysiologicaldistanceE.distancebetweenana
随机试题
简述最近发展区的概念和意义。
泉水富含二氧化碳和各种对人体有益的微量元素,而且经过砂石过滤,水质清澈晶莹,含氯化物极少。一般认为为用泉水烹茶最好。
患者,女,19岁。面部患有多发疖肿,时轻时重,近日发热腹痛,里急后重,大便脓血。用药首选
暑疖的治疗方药为
A.苯丙哌林B.右美沙芬C.可待因D.普诺地嗪E.甘草合剂夜间咳嗽者,首选()。
A、甲地孕酮片B、炔雌醇C、黄体酮D、棉酚E、复方炔诺酮片减少精子数量的避孕药为( )。
某民航机场跑道已使用近20年,道面结构为水泥混凝土面层,二灰土基层,压实土基(黏土)。2009年夏季,连续暴雨后跑道主降端接地带附近纵缝处出现了泥土,长约180m。对泥土是否为唧泥,技术人员意见不一。机场管理部门对此非常重视,组织了专项研究,使用化学检测法
某公司已发行一年期公司债券4500万元人民币。经其董事会决议,拟申请公司债券上市交易。为此,公司准备向国务院证券监督管理机构提交以下文件;上市报告书、申请上市的董事会决议、公司章程、公司债券募集办法,以及公司债券的实际发行数额。目前,该公司仍符合法定的公司
2,6,13,39,15,45,23,()
请用“夕阳”“城管”“市场”“微笑”“感动”这五个词编一个故事。
最新回复
(
0
)