消防验收由公安消防机构组织实施，（）等单位予以配合。A、建设 B、设计 C、施工 D

指测眼压正常，记录为（）。

A.Tn

B.T+1

C.T+3

D.T-1

E.T-3

---I don’t know where to find something about the rainforest.

---Why ______on the Internet? There is a lot of information about it.

A．don’t go

B．not to go

C．not going

D．not go

女性，5岁。发现心脏杂音4年。查体：胸骨左缘2～3肋间可闻Ⅳ级粗糙SM，向上传导，可及震颤，P₂减弱。心电图示右室肥厚。

初步诊断（）

A.房间隔缺损

B.室间隔缺损

C.主动脉瓣狭窄

D.肺动脉瓣狭窄

E.三尖瓣关闭不全

软件需求分析阶段建立原型的主要目地是 ______。

A．确定系统的性能要求

B．确定系统的运行要求

C．确定系统是否满足用户需要

D．确定系统是否满足开发人员需要

The presentation layer is concerned with the（1） and semantics of the information exchanged between two systems. The processes in two systems are usually exchanginginformation in the form of character（2）numbers, and so on. The information should bechanged to bit （3） before being transmitted. Because different encoding systems, thepresentation layer is responsible for （4）between these different encoding methods. Thepresentation layer at the sender changes the information from its sender-dependent format into acommon format. The presentation layer at the receiving machine changes the common format intoits （5） dependent format.

（3）是（）

A.systems

B.characters

C.layers

D.streams