一戴用全口义齿的患者，主诉经常咬舌，无其他不适。检查发现：两侧后牙面低，排列偏舌侧。

下列属于分部制组织结构优点的是（）

A.有利于高层管理者集中精力搞好全局及战略决策

B.有利于发挥事业部管理的主动权

C.职能机构重叠

D.分权不当容易导致各分部闹独立，损伤组织整体利益

E.各分部横向联系和协调较难

海市蜃楼的形成原因是( )。

A．沙漠中的人由于高温出现幻觉
B．物体反射的光经过大气折射而形成的虚像
C．地球的球面效应
D．大气中水汽增加导致光线传播方向发生变化

其原料药属于医院一级管理的是（）

A．麻醉药品

B．精神药品

C．毒性药品

D．贵重药品

E．普通药品

Personal computers are used by one person at a time. The largest personal computer, or PCS, can fit on a (1) . Some of these (2) have more than one microprocessor. (3) the primary processor, which is a general-purpose device, a PC may have one or more processors to (4) special kinds of work. Some machines, (5) , have maths processors, others have graphics processors to help process photographs and other illustrations. Still others have (6) processors.
Office workers also use PCS that are not (7) to a network. These machines are used for (8) tasks as word processing, performing financial calculations, and organizing and (9) bodies of information called databases. People use PCS at (10) for some of the same kinds of tasks. They use word processing programs for (11) Communication, financial software for household budgets. Individuals also use their home computers to play (12) and to communicate (13) the internet.
Small, portable PCS are (14) with people who often work away from their desks. The (15) include laptop computers, which can be (16) on the lap; notebook computers, which are about the (17) of a loose leaf notebook; and palmtop, or handheld computers, which can be operated while (18) in the hand. Laptop and notebook computers have the same (19) as desktop computers. Palmtop computers have less power but still (20) some advanced capabilities. For example, they can process household financial data.

二、完形填空

A．games

B．jokes

C．soft wares

D．matches

《黍离》这首作品是哪个朝代的民间歌谣？