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问题 多项选择题

按照标准的级别，我国将标准划分为（）。

A.国家标准

B.行业标准

C.地方标准

D.企业标准

E.推荐性标准

答案

参考答案：A, B, C, D

解析：按照《标准化法》的规定，我国的标准分为国家标准、行业标准、地方标准和企业标准。

阅读理解

根据短文内容判断下列句子正误，正确的写“T ”，错误的写“F ”。

     Nick is an American boy. His parents work in Chengdu. And he studies in a school in Chengdu. He

doesn't have brothers. This is his bedroom. Look! The baseball is on the table. And his computer game

is on the table, too. The books are on the sofa. His shoes are under his bed. Where's his pencil case? It's

in his backpack.

( )1. Nick is in China.

(     )2. His computer game and baseball are on the table.

(     )3. His books are in his backpack.

(     )4. His backpack is in his pencil case.

(     )5. His shoes are not under the bed.
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多项选择题 案例分析题

患者男，14岁。1月前患者晨起后突发鼻痒、眼痒，打喷嚏，伴清涕、鼻塞、流泪，不伴脓涕或头痛，不伴咳嗽、喘息，精神一般，上述症状持续全天，晨起后明显，午后减轻。于家中自行给予口服氯雷他定溶液后，症状稍缓解。鼻内镜下见鼻腔鼻甲黏膜广泛水肿、苍白，左下鼻道清水样分泌物，鼻中隔偏曲；检眼可见患者双眼结膜充血、水肿明显，伴白色黏性分泌物。

针对该患者的实验室检查叙述正确的有（）。

A.目前临床常用变应原皮肤试验及血清特异性IgE测定

B.可以适宜浓度、低微剂量的各种常见变应原提取液行皮肤激发试验

C.变应原皮肤试验原理为以变应原检测皮内肥大细胞是否存在该变应原特异性IgA

D.血清特异性IgE测定常采用放射免疫或酶标免疫法

E.为明确诊断，所有就诊患者均需经过变应原皮肤试验及血清特异性IgE测定

F.对于该14岁患者，可即刻实行变应原皮肤试验以明确诊断
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