搜题请搜索小程序“爱下问搜题”
问题 单项选择题 B1型题

二陈汤的君药是（）

A.白术

B.苍术

C.厚朴

D.橘红

E.半夏

答案

参考答案：E

解析：1.平胃散重用苍术为君药，其味辛苦性温燥，归脾胃二经，辛以散其湿，苦以燥其湿，香烈以化其浊，为燥湿健脾、降浊和胃之要药。 2.二陈汤方中半夏为君，取其辛苦温燥之性，既可燥湿化痰，又可降逆和胃而止呕，使胃气和降而生痰无源。

单项选择题

The traditional model for systems development was that an IT department used （1） which is a process-centered technique, and consulted users only when their input or approval was needed. Compared with traditional methods, many companies find that JAD allows （2） to participate effectively in the requirements modeling process. When properly used, JAD can result in a more accurate statement of system requirements, a beret understanding of common goals, and a per commitment to the success of the new system. RAD is a （3） technique that speeds up information systems development and produces a functioning information system. While the end product of JAD is a(an) （4）, the end product of RAD is the new information system. The RAD model consists of tour phases. During the （5）, users interact with systems analysts and develop models and prototypes that represent all system processes, outputs, and inputs.

（2）处填（）。

A．project managers

B．system administrators

C．software programmers

D．key users
查看答案
单项选择题

有关结肠癌的描述，正确的是（）.

A.溃疡型癌多见于右半结肠，一般预后良好

B.肿块型癌多发生在乙状结肠，易引发肠梗阻

C.肿块型癌多发生在升结肠，易引发肠梗阻

D.浸润型癌多发生在左半结肠，易引起肠腔狭窄

E.病人血清CEA均增高
查看答案