简述确定关键绩效指标的原则。

下面是几种实验室制取气体的发生装置和收集装置，请回答下列问题：

（1）指出图中标有数字的仪器名称：①______：②______．

（2）实验室用双氧水和二氧化锰制取氧气时应选用______（填字母标号，下同）做发生装置，写出该反应的化学方程式______；若要收集较为纯净的氧气最好选用______装置．

（3）F是一种可用于集气、洗气等的多功能装置．若将F装置内装满水，再连接量筒，用可用于测定不溶于水且不与水反应的气体体积，测量时气体应从______（填“a”或“b”）进入F中．

中国已成为世界最大的提琴生产国，但多为国外品牌代加工。中国制作提琴最好的材料来自金沙江流域的干热河谷，那儿具有与阿尔卑斯山北坡山麓（奥地利境内）十分接近的气候。完成下列问题。

小题1:阿尔卑斯山北坡山麓气候的形成是因为

A．地处迎风坡

B．地处背风坡

C．洋流影响

D．副高影响小题2:有关中国成为世界最大的提琴生产国，说法正确的是

A．依靠的是巨大的国内市场

B．依靠的是国外名牌乐器厂家的产业转移

C．依靠的是悠久的古琴文化和精湛的技术

D．代加工生产模式为中国带来了巨大的效益

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

    Lock your vehicle and do not 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. 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 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 operator. 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

4. What does the underlined part"In the unlikely event of a fire" mean? [ ]

A. In case a fire happens, though it is not very possible.

B. If a fire happens when some big events are taking place.

C. In case a fire happens in a public building.

D. If a fire breaks out and it is getting out of control.

圩田

管理的（）首先反映在资源配置的机会成本上只上，是不可忽略的特性。

A.科学性

B.动态性

C.创造性

D.经济性