下列除哪项外，均是热原的性质（） A.耐热性 B.不挥发性 C.滤过性 D.水不溶性

化痰

内脏穿孔

A．上腹刀割样痛伴肌紧张
B．上腹烧灼痛伴反酸
C．上腹钻顶样痛
D．右上腹绞痛
E．中上腹持续性剧痛

Documentation of a software package is normally produced for two purposes.One is to explain the(1)of the software and describe how to use them.This is known as (2)because it is designed to be read by the user of the software.The other purpose of documentation is to describe the software's intemal composition so that thesystem can be maintained later in its life cycle.Documentation of this type is known as(3)

空白（1）为（）

A.plans

B.cost

C.features

D.schedules

急性胆囊炎疼痛是

A．阵发性绞痛
B．持续性疼痛
C．持续性疼痛阵发性加剧
D．持续闷胀痛
E．“钻顶样”绞痛

除了利用专业硬件检测软件检测硬件信息外，还可以利用开机自检、设备管理器、DirectX诊断工具等查看硬件配置。