在A+B（固）C反应中，若增加压强或降低温度，B的转化率增大，则反应体系应是（）。A

图中虚线为一组间距相等的同心圆，圆心处固定一带负电的点电荷．一带电粒子以一定初速度射入电场，实线为粒子仅在电场力作用下的运动轨迹，a、b、c三点是实线与虚线的交点．则该粒子（　　）

A．带负电

B．在c点受力最大

C．在b点的电势能大于在c点的电势能

D．由a点到b点的动能变化小于有b点到c点的动能变化

I have      apples than you.  [ ]

A. much more            

B. more many  

C. much most            

D. most many

阅读理解.

                                                  Safety and Security Procedures

     Your safety and the security of your personal property are of the primary concern to those of us

who welcome you as our guest. We urge you to take advantage of the following suggestions.

     YOUR VEHICLE(交通工具)

     Lock it and don't leave money or valuable items inside. We are not responsible for their loss.

    TRAVELING

     Be good at noticing things around you when sightseeing or traveling. Stay in well-lit and heavily

traveled areas. Don't display large amounts of cash.

     GUEST ROOM SECURITY

     For additional security use the deadbolt (插锁) provided on your door and make sure the windows

are locked. As an additional precautious measure, please secure the secondary locks provided. Do not

admit anyone to your room without first making identification(身份鉴定). A one-way viewer is provided

in your door to assist with identification. If there is any doubt about the person's identity, please contact

the Front Desk.

      SAFETY BOXES

      Do not leave money or valuables in your room or vehicle. We provide free safety boxes for your

use. Hotel is not responsible for items left in the room valued over $200.

      KEYS

      Safeguard your key. Please do not leave it in the door. Do not give your key to others or leave it

unattended. Please leave your key at the Front Desk when you check out.

     REPORTING

     Please report any suspicious activity, or safety concerns to management.

     FIRE

     Please familiarize yourself with the nearest fire exits. Report fire or smoke to the hotel guard. In the

unlikely event of a fire, please move quickly and calmly to the nearest safe exit and leave the building.

     Avoid the use of elevator.

1. The suggestions are most probably from ______. 

A. a hotel manager      

B. a police officer    

C. an experienced traveler    

D. a tour guide

2. Which of the following is TRUE?

A. It is advised to travel to places where there are few people.

B. The hotel is not responsible for anything you lose.

C. Don't report to the manager unless you are sure something is going wrong.

D. You'd better use the deadbolt and the secondary locks for safety.

3. If you feel doubtful about a stranger who knocks at the door, you should _____.

A. let the person in after you have got his/her name  

B. open the door to check the person's ID card

C. call the Front Desk to make sure                

D. contact the local police for assistance

以下哪项不见于急性心包填塞（）

A.窦性心动过速

B.脉压减少

C.吸气时动脉血压下降10mmHg以上

D.颈静脉怒张但无颈静脉搏动

E.交替脉

“没有经过训练的营销人员是银行人才资源最大的浪费”，如今这种观点越来越成为多数人的共识。( )