潜伏期长,发病呈渐行式,最后以死亡而告终的感染称为() A.良性感染 B.恶性感染

题型:单项选择题 A1型题

问题:

潜伏期长,发病呈渐行式,最后以死亡而告终的感染称为()

A.良性感染

B.恶性感染

C.病毒的持续性感染

D.慢病毒感染

E.显性感染

考点:执业兽医考试兽医传染病学兽医传染病学题库
题型:单项选择题 A1型题

摩擦起电的本质是               ;毛皮摩擦过的橡胶棒带    电;       能检验出物体是否带电。

题型:单项选择题 A1型题

若一个多边形的内角和等于它的外角和的2倍,则这个多边形是几边形.

题型:单项选择题 A1型题

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有一项为多余选项。

Dear Sir,

I have to travel every day from So UK Road to the airport. Two buses travel along this route: No.49 and No.16. However, by the time No.16 reaches So UK Road, it is always full.__小题1:__

The timetable states that there are buses from So UK Road to the airport every ten minutes.__小题2:__ The instructions state that if there are empty seats on a bus, the bus must stop at every stop where people are waiting. __小题3:__

The instructions state that no bus may carry more than 40 seated passengers and 20 standing passengers. Yesterday, I was the first to get off the bus when it reached the airport. __小题4:__ There were 129 of them.

Clearly printed on the back of every bus is a sign that says “Maximum speed: 50mph.” ___小题5:__ Saturday morning a No. 49 bus traveled the distance in ten minutes, at an average speed of 60 mph. At times it must have done at least 80 or even 90 mph.

It is obvious that our bus companies have neither respect for the instructions nor consideration for their passengers. Can nothing be done about this?

Jerry

A.I counted the other passengers as they got off.

B.Why is it that half-empty buses go straight past me when I am standing at the bus stop?

C.The problem is that we have to pay more for our trip.

D.The distance from So UK Road to the airport is 10 miles. E. This leaves No.49 which sometimes has empty seats on it.

F. If this is so, why do I have to wait half an hour for a bus nearly every day?

题型:单项选择题 A1型题

药源性疾病是由药物诱发的疾病,是指在预防、诊断、治疗或调节生理功能过程中出现与用药有关的人体功能异常或组织损伤所引起的一系列临床症状。引起药源性疾病的因素主要有患者因素、药物因素。下列药源性疾病中,其诱因主要是性别因素的是()

A.口服避孕药致阿米替林清除率下降

B.服用阿司匹林出现哮喘、慢性荨麻疹等

C.氯霉素在新生儿体内蓄积呈现灰婴综合征

D.肾病患者服用呋喃妥因可引起周围神经炎

E.老年人应用普萘洛尔可诱发头痛、低血压等

题型:单项选择题 A1型题

如图所示,硬膜外腔内充满以下什么组织()

A.血管

B.淋巴管

C.脂肪组织

D.网状组织

E.以上全部

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