题目内容：

Some people will do just about anything to save money. And I am one of them. Take my family’s last vacation. It was my six-year-old son’s winter break form school, and we were heading home from Fort Lauderdale after a weeklong trip. The flight was overbooked, and Delta, the airline, offered us $400 per person in credits to give up our seats and leave the next day. I had meetings in New York，So I had to get back. But that didn't mean my husband and my son couldn't stay. I took my nine-month-old and took off for home.

The next day, my husband and son were offered more credits to take an even later flight. Yes, I encouraged—okay, ordered—them to wait it out at the airport, to "earn" more Delta Dollars. Our total take: $1,600. Not bad, huh?

Now some people may think I'm a bad mother and not such a great wife either. But as a big-time bargain hunter, I know the value of a dollar. And these days, a good deal is something few of us can afford to pass up.

I've made living looking for the best deals and exposing （揭露） the worst tricks. I have been the consumer reporter of NBC's Today show for over a decade. I have written a couple of books including one titled Tricks of the Trade: A Consumer Survival Guide. And I really do what I believe in.

I tell you this because there is no shame in getting your money’s worth. I’m also tightfisted when it comes to shoes, clothes for my children, and expensive restaurants. But I wouldn't hesitate to spend on a good haircut. It keeps its shape longer, and it's the first thing people notice. And I will also spend on a classic piece of furniture. Quality lasts.

1. Why did Delta give the author's family credits?

A. Their flight had been delayed.

B. They had early bookings.

C.They took a later flight.

D. Their flight had been cancelled.

2.What can we learn about the author?

A. She is very strict with her children.

B. She seldom makes a compromise.

C.She rarely misses a good deal.

D. She is interested in cheap products.

3.What does the author do?

A. She's a media person.    B. She's a housewife.

C. She's a teacher.         D. She's a businesswoman.

4.What does the author want to tell us?

A. How to expose bad tricks.

B. How to reserve airline seats.

C. How to spend money wisely.

D. How to make a business deal.