为什么要防止地震的次生灾害？

阅读理解。

                                         FIRE INSTRUCTIONS

    The person discovering a fire will:

    1. Turn on the nearest fire alarm. This will cause the Alarm Bell to ring, and also send a signal (信号)

to the telephone operator who will call the Fire Brigade (消防队).

    2. Fight against the fire with the things that you can get, if it is safe to do so.

    Fire Alarm Bells

    The Fire Alarm Bell will ring either in the area of A Block ( Working Offices) or in the area of  B

Block ( Teaching Building) and C block ( Sports Hall) . Those in the area where the Alarm Bells are

ringing should take action as below. Others should continue with their study.

    When hearing the fire alarm:

    1. Those in class:go to the Meeting Area under instructions given by your teacher.

    2. Those elsewhere:go to the Meeting Area by the most sensible (合理的) way, and stay near your

head teacher.

    Meeting Area

    The Meeting Area is the playing field which is south of the Sports Hall. Here names will checked.

    Steps

    1. Move quietly.

    2. Do NOT stop to get your personal things.

    3. Do NOT try to pass others on your way to the Meeting Area.

    4. Do Not use the lift (电梯).

1. The Fire Instructions are mainly for _____.     

A. the person who discovers a fire              

B. the teachers     

C. any person who comes to the school         

D. the students

2. What should you do if you are the person who discovers a fire?

A. Call the Fire Brigade.                     

B. Ring the Fire Alarm. 

C. Go to tell the telephone operator.            

D. Put out the fire when you are in danger.

3. How should you act if you are in B Block when hearing the Alarm Bell in A Block?

A. Go to help put out the fire.                 

B. Go to collect your own things.

C. Do what you are doing.                    

D. Go to the Meeting Place.

4. What should you do when you arrive at the Meeting Area?     

A. Say that you are "here".                   

B. Care for each other .

C. Find a safe place to stay.                  

D. Stay with a teacher who is near you. 

5. Which is true according to the passage?

A. You should go to the Meeting Area by the shortest way.

B. People should keep order when going to the Meeting Area.

C. Don't take the lift without others.

D. When there is a fire,  all the Alarm Bells in the school will ring at once.

2012年9月25日，中国第一艘航母“     ”正式交接入列，这是我军发展史上的一个重要里程碑。标志着我国航空母舰发展建设取得了重大成果，标志着我军武器装备建设取得了重要进展，标志着国防和军队现代化建设取得了显著成就。( )

A．毛 * * 舰　　

B．辽宁舰　

C．钓鱼岛舰

D．长城舰

机动车所装用轮胎的速度级别应（）该车最大设计车速的要求，但装用雪地轮胎时除外｡

A、小于

B、小于等于

C、大于

D、大于等于

西餐摆台需用的酒具有饮料杯、利口杯、（）

当房地产开发企业受到外部市场环境的威胁而企业内部状况又不好时，应选择的发展战略是（）。

A、发展型战略

B、多元化战略

C、扭转型战略

D、防御性战略