It's very nice ______meet you.

A、Very good

B、That’s nice

C、Not yet

D、No problem

—I'd like to invite you to dinner at my flat before I move. —（).

A、Oh, that's too much trouble

B、You'd better not

C、That would be nice

D、No, let's not

It's very kind（)say so.

A.from you to

B.of you to

C.by you to

D.that you

A.does;friend

B.does;friendly

C.do;friend

D.do;friendly

A.How far

B.How long

C.How many

D.How soon

A.finds it easy to relax with the new students

B.is very friendly

C.welcomes her warmly to the university

D.doesn’t seem to find the students interesting

一家企业的固定生产成本为5000美元，边际生产成本为常数，为500美元/单位产品。（1)企业的总成本函

一家企业的固定生产成本为5000美元，边际生产成本为常数，为500美元/单位产品。

(1)企业的总成本函数是什么？平均成本呢？

(2)如果企业想使其平均总成本最低，它应该选择非常大的产量还是比较小的产量？解释你的结论。

A firm has a fixed production cost of $ 5000 and a constant marginal cost of production of S 500 per unit produced.

a. What is the firm' s total cost function？ Average cost？

b. If the firm wanted to minimize the average total cost，would it choose to be very large or very small？ Explain.

Directions: Read the following passage and the statements that follow. Choose the best answer for each statement from the three choices marked A, B and C.

It sounds like an infomercial from late-night TV: Follow this four-step plan and improve your memory in just 14 days!

But researchers have indeed found a way to improve memory function in older people. After a two-week study that involved brainteasers (脑筋急转弯), exercise and diet changes, study participants' memories worked more efficiently.

Here's the program:

Memory Training: brainteasers, crossword puzzles and memory exercises that emphasized verbal skills throughout the day.

Healthy Diet: Five meals daily included a balanced diet rich in omega-3 fats, whole grains and antioxidants (抗氧化剂). Eating frequent meals prevents dips in blood glucose (血糖), the primary energy source for the brain.

Physical Fitness: Brisk daily walks and stretching. Physical fitness has been found in other research to reduce the risk of Alzheimer's disease.

Stress Reduction: Stretching and relaxation exercises. Stress causes the body to release cortisol (皮质醇), which can impair memory and has been found to shrink the memory centers in the brain.

1. Researchers spent fourteen days finding a way to improve people’s memory().

A.True

B.False

C.Not Mentioned

2.What is TRUE about the ABC rule for online shopping()？

A.It’s a very easy rule, as easy as learning ABC

B.It’s the basic safety rule for online shopping provided by the writer

C.It’s the first letter of the three rules: About me, Benefits, Choices, hence ABC

D.All of the above

3.Either the dean or the principal()the meeting.

A.attends

B.attend

C.are attending

D.have attended

4.Mistake is acceptable during the process of paper cutting().

A.Right

B.Wrong

C.Doesn’t say

5.Many a child()to walk before he can speak.

A.Learn

B.Learns

C.Learned

D.have learned

6.The author quoted the three adjectives used by the guide to describe Istanbul because().

A.the author knows Istanbul very well

B.the author’s ambitions of sightseeing dwindled away after Italy

C.Istanbul is so characteristic that it’s hard to describe it in one word

D.the author is very interested in Istanbul

budgeting comes in.A detailed budget helps you keep tabs on your income.There are many people who are able to live comfortably on what they earn, even if their income is modest.A budget, therefore, keeps track of income and expenses.It will segregate your fixed expenses like your food, stay and insurance and your variable expenses like your travel, entertainment, etc.

Adequate insurance for you and your family is an essential part of investing.Life, health and property insurance protect you and your loved ones from unforeseen mishaps.It is also wise to make a will so that your assets can be handled smoothly.

Good personal finance management involves investing, managing risk, insurance, understanding and handling debt and credit, knowing the value of time and money and ensuring that your retirement is taken care of.While planning you make an assessment of your present situation in relation to your goals.Managing personal finances becomes a hassle when you get into debt.Debt is what you owe, and can be good and bad.If you have borrowed money to buy property, it is an investment and the money you pay against interest on the loan is tax deductible.But running up debts like overdue credit cards is not good.This is why budgeting is very important so that you know exactly where your money is going.It is very easy to lose track of what you spend without a budget.

There are multiple ways to invest and save for the future.The crux of the matter is to keep in mind your sources of income and account for your expenses, while keeping a budget that is feasible.Periodical review keeps you in control of your personal finance.

1.The word "modest" in Para.1 probably means "____________"？

2.How many ways of finance management does the author mainly mention？

A.3

B.4

C.5

D.2

3.What's the essential part of investing for a family？

A.Sources of income

B.Various expenses

C.Adequate insurance

D.Detailed budget

4.How does the author think of debt？

A.It's completely bad

B.It's both good and bad

C.It's wonderful

D.It's not mentioned

5.What does this passage mainly talk about？

A.How to manage money

B.How to spend money

C.How to invest money

D.How to loan money

A.talk

B.talking

C.to talk

D.talks