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
63
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
in
解析
转载请注明原文地址:https://kaotiyun.com/show/W0Hd777K
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
ReducePackagingPressureincreasedrecentlyonBritishsupermarketsandretailerstoreducepackagingaspartofananti-wa
A.differsamonganimalspeciesB.topsychologicaldistanceC.begintoattackD.tophysiologicaldistanceE.distancebetweenana
A.differsamonganimalspeciesB.topsychologicaldistanceC.begintoattackD.tophysiologicaldistanceE.distancebetweenana
A.differsamonganimalspeciesB.topsychologicaldistanceC.begintoattackD.tophysiologicaldistanceE.distancebetweenana
A.differsamonganimalspeciesB.topsychologicaldistanceC.begintoattackD.tophysiologicaldistanceE.distancebetweenana
______tellsusthatthegovernmentwillgivesupporttoemployers,whoofferpart-timejobs?______impliesthatincreasedpayme
随机试题
新型的师生关系应该()。
甲氧氯普胺的主要不良反应是()。
下列关于对机械安全防护装置的要求中正确的有()。
导游在同领队合作中需要磋商的问题主要有()。
急性心包炎的胸痛特点是
心理整合过程至少包括两个环节,“个体能意识到现在的我是由过去的我发展变化而成的,自己的现在和将来的一切都是在过去的基础上发展起来的”是其中的哪一环节?()
甲、乙、丙在公园内闲逛,他们走到一座小山后面的僻静处,窥视到一对男女搂抱在一起玩笔记本电脑。甲向乙递了一个眼色,并低声说:“试试你的胆量,敢不敢?”乙说:“有什么不敢的!”乙顺手从地上抓起一把土,向他们扔过去。没等其作出反应,甲便上前对男青年说:“对不起,
BurkinaFasostudentteacherHemaCecilehasalotmoretimetocrackthebooksthankstoarecentinitiativefromtheWorldBan
安全管理的目标是【】。
Choosethecorrectanswer,A,BorC.Crocodilesindryareasliveincaveslocated
最新回复
(
0
)