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发布时间:2024-03-01 03:46:50

[单项选择]Two portfolios have the same expected rate of return. If these two portfolios are combined on an equally weighted basis, the benefits of diversification are most likely maximized if the portfolios have the same standard deviation and a correlation coefficient of:()
A. 0.0
B. -1.0
C. +1.0

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[单项选择]______, the two parties will have the same amount of luck to win the election.


A. All other things are equal
B. Were all other things equal
C. All other things being equal
D. If all other things were equal
[单项选择]They have announced that the two failing firms have eventually merged.
A. governed
B. greeted
C. committed
D. combined
[单项选择]Everyone pays the same tax rate, irrespective ()whether they are married or single.
A. of
B. to
C. from
D. with
[单项选择]Which country and its city have the same name


A. Burma.
B. Singapore.
C. India.
[单项选择]

Traditionally, universities have carried out two main activities: research and teaching. Many experts would argue that both these activities play a critical role in serving the community. The fundamental question, however, is: how does the community want or need to be served
In recent years universities have been coming under increasing pressure from both the governments, and the public to ensure that they do not remain "ivory towers"(象牙塔) of study separated from the realities of everyday life. University teachers have been encouraged, and in some cases constrained(强逼), to provide more courses which produce graduates with the technical skills required for the commercially useful purpose. If Aristotle wanted to work in university in the UK today, he would have a good chance of teaching computer science but would not be so readily employable as a philosopher.
A postindustrial society requires large numbers of computer programmers, engineers, manage
A. education should serve the social needs
B. it is advisable for today's philosophers to know computer science
C. such abstract subjects as philosophy is no longer useful
D. universities in the UK have produced too many good for nothing graduates

[单项选择]What have the two French geophysicists discovered in their research


[单项选择]You ( ) your own sandwiches. I have enough for two.
A. couldn't have brought
B. shouldn't have brought
C. mustn't have brought
D. needn't have brought
[单项选择]The manager will have to hire two more people to______ the lost time.


A. make up of
B. make up for
C. make out
D. make off
[填空题]

We at Montserrat Publishing have published two books devoted to improving the everyday vocabulary of intermediate and advanced English language students.
You probably find that even though you have been studying English for many years, you still have problems following a social conversation between English speaking people.
Maybe you need English for business and you have a wide knowledge of the vocabulary relating to your speciality (专业) but you find it difficult to conduct meetings in English. This is because you cannot understand the practical, everyday expressions being employed. You may also need to understand journals and trade magazines written in English where a dictionary is not enough to convey the real meaning of what is being said.
The Practical Everyday English series consists of a collection of words and expressions used every day by all classes of society. The idea is that after being presented with a word or expression the reader can see how

[单项选择]

We have created a special rate that will let you travel actually thousands of miles on your vacation at no extra cost.
In most of our US and Canadian offices, we’ll rent you cars of high quality for seven days for $ 99.
You can drive as far as you like without paying us a penny over the $ 99 as long as you return the car to the city from which you rented it. Insurance(保险) is included, gas is not.
If you rent the car in Florida or in California, the rate is the same, but you can return the car to any city in the state.
If you’d like some suggestions on what to do with the car once you’ve got it, we have driving and touting guides for almost every part of the country. No matter which rate you choose, the company comes at no extra cost. You don’t just rent a car. You rent a company!

The purpose of the passage is to advertise ()
A. car-renting services in the US
B. a special rate of car-renting
C. the advantages of car-renting
D. a US car-renting company

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