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问题 单项选择题 A1/A2型题

下列组合错误的是（）

A.RMS--颗粒性

B.DQE--噪声等价量子数

C.MTF--分辨力

D.WS--维纳频谱

E.ROC--受试者操作特性曲线

答案

参考答案：B

解析：DQE是量子检测效率。

单项选择题

女性，45岁，自诉胆小怕痛，拟拔除残根，局麻后病人出现胸闷、心悸、面色苍白、四肢湿冷、脉搏快而弱，血压不稳定，此情况是发生了（）

A．肾上腺素反应

B．癔病

C．晕厥

D．过敏反应

E．中毒反应
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单项选择题

OOP languages that create objects, such as (1) and (2) are beginning to take hold as viable tools for programmers. To effectively reuse objects, programmers need a place to store them such as an ODBMS or a RDBMS with object oriented extensions.
Databases that handle object data not only let user store and retrieve (3) data, but also let them store objects created by OOP languages, to facilitate rapid software development and reuse, and let them (4) new multimedia applications combining multiple data types.
RDBMS vendors have developed new extensions to existing DB technology to accommodate the most common forms of (5) data.

A. C++ B. BASIC C. PASCAL D. C
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