计算：（1）12-（-18）+（-7）-15（2）(-23)2÷89×(-3)（

描述某地区快餐店的分布，宜绘制（）

A．条图

B．散点图

C．线图

D．直方图

E．统计地图

文书工作的最后环节是( )

A．档案的保管利用

B．公文的整理归档

C．公文的收文处理

D．公文的发文办理

具有清心安神功效的药物是

A．玉竹

B．龙眼肉

C．人参

D．莲子

E．百合

氢氟酸烧伤（）

A．烧伤后可引发白内障 

B．创面疼痛剧烈，常侵蚀骨组织 

C．创面自行愈合后往往遗留明显的瘢痕 

D．伤后出现声嘶和喘鸣 

E．伤后常出现神智障碍

Directions:

The municipal government is going to hold a two-day international financial summit at this coming weekend. During the weekend, traffic around the meeting site will be directed and controlled. Write a notice on behalf of the Traffic Control Bureau under the Public Transportation Department of tile Municipal Government to publicize this information.

You are expected to imagine some specific measures of traffic control. Write the notice in no less than 100 words. Write it neatly on ANSWER SHEET 2. (10 points)