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
67
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
allergic
解析
转载请注明原文地址:https://kaotiyun.com/show/V0Hd777K
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
Thesteadilyrisingcostoflaboronthewaterfronthasgreatlyincreasedthecostofshippingcargobywater.
ReducePackagingPressureincreasedrecentlyonBritishsupermarketsandretailerstoreducepackagingaspartofananti-wa
ReducePackagingPressureincreasedrecentlyonBritishsupermarketsandretailerstoreducepackagingaspartofananti-wa
A.differsamonganimalspeciesB.topsychologicaldistanceC.begintoattackD.tophysiologicaldistanceE.distancebetweenana
______tellsusthatthegovernmentwillgivesupporttoemployers,whoofferpart-timejobs?______impliesthatincreasedpayme
随机试题
触觉语颤增强提示
患者女性,5岁,发热,浑身无力,检查发现扁桃体Ⅱ度肿大,准备给予口服抗菌药物,注意影响牙釉质及骨骼发育的药不可以选用,该药是
A祛湿B消肿C止痛D散瘀E止血紫草膏的功能为()
某焊接作业由甲、乙、丙、丁四名工人操作,为评定各工人的焊接质量,共抽检100个焊点,抽检结果见下表。根据表中数据,各工人焊接质量由好至差的排序是()。
投标人导致中标无效的行为有( )。
消费者在展销会、租赁柜台购买商品或者接受服务,合法权益受到损害的,可以向()要求赔偿。
下列食用油中胆固醇含量最高的是()。[河北省2008年9月三级真题]
19世纪末,美国实用主义教育家杜威提倡“从做中学”,其实质是强调_________经验在学生学习过程中的作用和地位。
若在表达式y/x中,"/"是作为成员函数重载的运算符,则该表达式还可以表示为()。
—Howdidyousleeplastnight?—Likealog.Neverslept______.
最新回复
(
0
)