请你说出包装标志有哪几种，其中运输标志包括哪些主要内容

已知|m|=5，|n|=2，|m-n|=n-m，则m+n的值是（     ）。

穿、脱隔离衣适用范围

魏晋南北朝时期，黄河流域出现了“胡人汉服”“汉人胡食”的多元文化融合景象。对出现这一景象影响最大的事件是（）

A.昭君出塞

B.北魏孝文帝改革

C.文成公主入藏

D.册封达赖、班禅

提出情绪动力定型学说的科学家是（）.

A.詹姆士

B.巴甫洛夫

C.卡侬

D.林斯莱

Questions 176-180 refer to the following contract.

Salaried Contract
Dr. Balignant, MD, FRCPC, Specialist
Offered from Saint Lewis Hospital

1. Position

: Specialist

2. Start Date

: As soon as possible as mutuallv agreed upon between yourself and Saint Lewis Hospital.

3. Location

: Saint Lewis Hospital or any other such location to which you may be assigned from time to time.

4. Initially reporting to

: none

5. Compensation

: Your initial satary will be $115.38 per hour ($225,000.00 annually based on 1950 hours worked payable bi-weekly, less statutory deductions.

6. Benefits

: You will be eligible to participate in Saint Lewis Hospital Health Benefit Plan on the first month following 3 months of service as per hospital policy set.

7. Vacation

: You will be eligible for 20 days vacation per calendar year in accordance with hospital policy, accrued at the rate of 1.66 per month of active employment.

8. Pre-Placement Health review

: The offer of employment is also conditional upon positive completion of a pre-placement health review within 14 days of your starting date.

9. Termination

: Saint Hospital has the right to terminate this agreement with cause for but not limited to at anytime without notice and without pay in lieu of notice if you have misrepresented to Saint Hospital any of the information referred to in this offer of employment, or, if you at anytime engage in any illegal or improper conduct in the course.

10. Entire Agreement

: This letter supersedes any and all other agreements, either oral or in writing, between Saint Lewis Hospital and you. No change to this letter will be valid unless in writing and signed by St. Lewis Hospital and you. This agreement wilt be governed by and construed in accordance with the laws of the province of Quebec.

11. Certification and Licensing

: This offer is conditional upon receiving fellowship and any licensing registration and certification required to practice in the province of Quebec.

12. Moving Expenses

: Saint Lewis Hospital will reimburse you up to $ 5,000 for relocation costs. Receipts must be submitted for payment.

What is the main function of this

A. An agreement between employer and employee
B. An contract between a hospital and a patient
C. A regulation for all employees in Saint Lewis Hospital
D. A certification of diploma of MD