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
79
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
treatment
解析
转载请注明原文地址:https://kaotiyun.com/show/C0Hd777K
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
SchoolingandEducationItiscommonlybelievedintheUnitedStatesthatschooliswherepeoplegotogetaneducation.Neve
CulturalDifferencesPeoplefromdifferentculturessometimesdothingsthatmakeeachotheruncomfortable,sometimeswithou
CulturalDifferencesPeoplefromdifferentculturessometimesdothingsthatmakeeachotheruncomfortable,sometimeswithou
CulturalDifferencesPeoplefromdifferentculturessometimesdothingsthatmakeeachotheruncomfortable,sometimeswithou
CulturalDifferencesPeoplefromdifferentculturessometimesdothingsthatmakeeachotheruncomfortable,sometimeswithou
CulturalDifferencesPeoplefromdifferentculturessometimesdothingsthatmakeeachotheruncomfortable,sometimeswithou
A.differsamonganimalspeciesB.topsychologicaldistanceC.begintoattackD.tophysiologicaldistanceE.distancebetweenana
随机试题
质量检验的基本方式:()
电加热设备与送风设备的电气开关应有联锁装置,且装有电加热设备的送风管道应用()材料制成。
某企业期初实收资本余额为400万,资本公积余额为100万,留存收益余额为100万。假若该会计期间内获利80万,进行利润分配后,剩余的未分配利润为8万,从中计提的盈余公积为8万。那么期末所有者权益的合计余额为( )元。
如图,AB是圆的直径,PA垂直圆所在的平面,C是圆上的点.(1)求证:平面PAC⊥平面PBC;(2)若AB=2,AC=1,PA=1,求二面角C—PB—A的余弦值.
2,1,3,10,103,()
AsRachelRaymondfromWestOrange,N.J.,tellsit,thedaylastAugustwhensheflewonaprivatejetranksasoneofthemost
Thewaveofjobcutssweepingthroughtheutilitysectorgatheredpaceyesterdaywith800moreredundanciesplannedbytwoelect
Fordecades,thetelevisionwastheflagshipofanyconsumer-electronicsproductline-up.Inallthegadgetsinthehome,【M1】___
ThehomelessmakeupagrowingpercentageofAmerica’spopulation.【C1】______homelessnesshasreachedsuchproportionsthatlo
A、Onehour.B、Twohours.C、Threehours.D、Fourhours.B男士说观鲸之旅1点出发,3点回来,一共2个小时:而且女士两次提到twohours,故选B。
最新回复
(
0
)