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【单选题】
有关临床上常用的HIV微生物学检查说法错误的是A.
HIV抗体检查是临床最常用诊断方法，可进行感染者初筛
B.
HIV 抗体初筛实验阳性者即可确诊为感染
C.
HIV-P24抗原可用于感染者的早期诊断
D.
HIV 核酸检测可直接对患者体内的病毒量进行定量检测
E.
HIV 分离培养是必须使用CD4分子阳性细胞
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举一反三
【单选题】If the price a consumer pays for a product is equal to a consumer’s willingness to pay, then the consumer surplus of that purchase would be
A.
zero
B.
negative and the consumer would not purchase the product.
C.
positive and therefore the consumer would purchase the product.
D.
There is not enough information given to answer this question.
【单选题】The main difference between consumer markets and industrial ones is ______.
A.
consumer markets focus on research while industrial ones focus on developing
B.
consumer markets focus on tailors while industrial ones focus on medicine
C.
consumer markets focus on specific while industrial ones focus on general
D.
consumer markets focus on application while industrial ones focus on plan
【简答题】侏儒症与呆小症的病因及症状有何异同？
【多选题】钩端螺旋体的流行特征是（）
A.
本病以青壮年农民发病率最高
B.
流行主要发生在夏秋季
C.
流行时多数患者为感染中毒型
D.
儿童患病少见
E.
是一种人畜共患传染病
【简答题】呆小症的病因是
【简答题】呆小症的病因是
【简答题】A．To demonstrate that current consumer trends are stable. B．To compare current consumer trends to those of the past. C．To indicate that most consumers actively research the products they buy. D．To sho...
【简答题】是我国的传统打法之一。具有 、 、 、 、 等特点,并能攻打各种特点。
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