[单项选择]Calculate the standard deviation of a task if O=4，P=10，M=6．（）
A. 1．
B. 1/3．
C. 2/5．
D. 2/3．

[单项选择]The mean and standard deviation of returns for Stock A is represented below.（）
A. 0.4
B. 0.3
C. 0.2

[单项选择]Busy ______ he is, he can fulfill the task ahead of schedule.
A. because
B. as
C. no matter how
D. although

[单项选择]Everyone should be ________ to a decent standard of living and an opportunity to be educated.
A. attributed
B. entitled
C. identified
D. justified

[单项选择]Calculate the average depreciable life:

[单项选择]

Task 2
Directions:
This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 to 45.
The eight airlines of the oneworld alliance(联盟)have joined forces to give world travelers a simple way to plan and book a round-the-world journey. It’s called the Oneworld Explorer program. Oneworld Explorer is the perfect solution for a once-in-a-lifetime holiday or an extended business trip. It’s a great way for you to explore the four comers of the earth in the safe hands of the eight Oneworld airlines. You can have hundreds of destinations to choose from, because the Oneworld network covers the globe. And, as you travel around the world, you’ll have the support of 260,000 people from all our airlines, who are devoted to the success of your journey, helping you make smooth transfers and offering support all along the way. The Oneworld goal is to make global travel easier and more rewarding for every one o
A. a travel agency
B. a union of airlines
C. a series of tourist attractions
D. the title of a flight program

[单项选择]Find the mean and the mean absolute deviation (MAD) of a series of stock market returns.（）
A. 2%
B. 3%
C. 4%

[单项选择]

Directions:This task is the same as Task 1. The 5 questions or unfinished statements are numbered 16 through 20.
Advice given by human resources officers in large foreign companies can help you find a satisfying job. Here are more useful suggestions.
1. Don’t start writing your resume before your graduation. From the first day you enter the university, you have begun writing it. Plan to put your four years to full use so that at graduation your resume will be full of valuable experiences and remarkbale academic (学术) results.
2. Never apply to a company or for a job blindly. Find out where your interests lie and what your advantages are. Decide first what road you want to take for the rest of your life. Choose a company and a job that fits you well.
3. Don’t feel inferior(低下的) to boys if you are a girl job-hunter. Except for some physical work, girls are as capable as boys. Girls even have lots of advantages over boys. For Example, girls
A. Bosses of big companies.
B. Officers who take in employees.
C. Students who will soon graduate.
D. People with much work experience.

[单项选择]Study the following information, calculate the expected rate of return. index is now selling at $490. market index multiplier is expected to be 5X. index earnings is expected to be $100. dividend payment is expected to be $40.（）
A. 10%.
B. 20%.
C. 30%.

[单项选择]For years, astronomers struggled to calculate the age of the universe.
A. 多年以来，宇航员们在努力计算宇宙存在的时间。
B. 多年以来，宇航员们在努力地探索，力求揭开宇宙的年龄之谜。
C. 多年以来，宇航员们在挣扎地探索，力求揭开宇宙的年龄之谜。
D. 多年以来，宇航员们在努力地计算宇宙的年龄现象。