问题 问答题

简述感音神经性耳聋的病因。

答案

参考答案:答:包括:①先天性聋:系出生时或出生后不久就已存在的听力障碍。其病因可分为遗传性聋和非遗传性聋两大类。②老年性聋:是人体老化过程在听觉器官中的表现。临床表现的共同特点是由高频向语频缓慢进行的双侧对称性聋,伴高调持续耳鸣。多数有响度重振及言语识别率与纯音测听结果不成比例等o③传染病源性聋:系指由各种急、慢性传染病产生或并发的感音神经性聋,如流行性脑脊髓膜炎、猩红热、白喉、伤寒、斑疹伤寒等。④全身系统性疾病引起的耳聋:常见者首推高血压与动脉硬化。⑤耳毒性聋:指误用某些药物或长期接触某些化学制品所致的耳聋,常用者有链霉素、卡那霉素、新霉素、庆大霉素等。⑥创伤性聋:头颅闭合性创伤,颞骨横行骨折,感音神经性聋,噪声性聋等。⑦特发性突聋:指无明显原因瞬息间突然发生的重度感音性聋。患者多能准确提供发病时间、地点与情形。目前认为本病的发生与内耳供血障碍或病毒感染有关。⑧自身免疫性聋:为多发于青壮年的双侧同时或先后出现的、非对称性、波动性进行性感音神经性聋。耳聋多在数周或数月达到严重程度,有时可有波动。前庭功能多相继逐渐受累。⑨其他:包括梅尼埃病、耳蜗性耳硬化、小脑脑桥角占位性疾病,多发性硬化症等。

单项选择题
完形填空
America’s Beauty Is in Its Diversity
America is built on the idea of freedom, and there is no exception for Muslim women. I ______the freedom of religion and speech. But mostly, I believe it’s OK to be______, and to stand up for who and what you are. So I believe in wearing the hijab.
The hijab is a religious head covering, like a scarf. I am Muslim, and keeping my head covered is a ______ of maturity(成熟) and respect toward my ______and to Allah’s will. ______, I also like to wear it to be different. I don’t usually like to do what everyone else is doing. I want to be a(n) ______, not just part of the crowd. But when I first wore it, I was also afraid of the______ that I’d get at school.
I ______ on my own that sixth grade was the______ I should start wearing the hijab. I was ______ about what the kids would say or even do to me. I thought they might make fun of me, or ____ be scared of me and ______ my headscarf. Kids at that age usually like to be all the same, and there’s little or no ______of differences.
On the first day of school, I put all those ______ thoughts behind my back and walked in with my head held high. I was holding my breath a little, but ______ I was also proud to be a Muslim, proud to be wearing the hijab, proud to be different.
I was______ about everything I thought the kids would say or even do to me. I actually met a lot of people because of wearing my head covering. Most of the kids would come and ask me questions--______--about the hijab and why I wore it.
I did hear some kids were making fun of me, ______there was one girl-- she wasn’t even in my class, and we never really talked much-- and she spoke______ me, and I wasn’t even there! I made a lot of new friends that year, friends that I still have until this very day, five years later.
Yes, I’m different, but everyone is different here, in one way or another. This is the______of America.
小题1:
A.believe inB.stick toC.carry outD.push for
小题2:
A.dependentB.freeC.sensitiveD.different
小题3:
A.signalB.signC.reminderD.cause
小题4:
A.religionB.countryC.parentsD.status
小题5:
A.In a wordB.In generalC.To be exactD.To be honest
小题6:
A.princessB.heroineC.individualD.adult
小题7:
A.praiseB.punishmentC.reactionD.reflection
小题8:
A.hopedB.expectedC.realizedD.decided
小题9:
A.timeB.chanceC.caseD.occasion
小题10:
A.disappointedB.scaredC.enthusiasticD.angry
小题11:
A.stillB.alreadyC.evenD.ever
小题12:
A.show offB.pull offC.pick upD.put up
小题13:
A.rejectionB.ignoranceC.awarenessD.acceptance
小题14:
A.negativeB.optimisticC.seriousD.strange
小题15:
A.oftenB.insideC.onlyD.outside
小题16:
A.concernedB.particularC.wrongD.convinced
小题17:
A.respectfullyB.cautiouslyC.suspiciouslyD.critically
小题18:
A.andB.soC.butD.or
小题19:
A.in terms ofB.in front ofC.in charge ofD.in favor of
小题20:
A.significanceB.beautyC.valueD.power