听力原文：America's Central Bank is part of a larger financial system called the United States Federal Reserve System. It is not a single bank, but a banking system with operations that are both public and private. Its purpose is to control the flow of money in the economy, to supervise banking activity and to protect the financial system.
Which of the following is NOT the purpose of America's central bank？
A．Controlling the flow of money in the economy.
B．Overseeing the activities of banks.
C．Producing and distributing bank notes and coins.
D．Contributing to the maintenance of a stable financial system.

听力原文：M: How would you like to pay for this laptop computer？
M: Credit, please. I don't have enough cash with me. What's your return policy？
W: All of our products have a 30-day refund guarantee. This item has a 1 -year limited warranty. Plus, we offer additional 2-year extension for an additional $180.
M: Well, $ 180 is a lot, but I guess it'd be worth taking it just in case.
What are they NOT talking about？
A．How to pay for the purchase
B．Buying a life insurance
C．Support in case of return
D．An optional warranty

听力原文：W: Todd, have you come up with more ideas on how to boost sales of this year's line of living room furniture？ We have already tried the local newspaper and radio.
M: Sponsoring a TV show would be effective, but it costs a lot.
W: I agree with you. However, It' s beyond our budget. Let' s see. What do you think of the idea of making community flyers？
M: Why couldn' t I think of that？ It won't cost a lot.
What are they talking about？
A．How to increase sales of their products
B．The naming of their new products
C．Famous TV shows
D．How to put an ad in the local paper

What do they sell？
A．Magazines
B．Radios
C．Chairs
D．TVs

听力原文：The UK Department for Transport said that all cabin baggage would be processed as check-in baggage and carried in the holds of aircraft departing the country's airports with immediate effect. Passengers are only allowed to take a limited number of items on board by hand in a single, ideally transparent, plastic carrier bag. Among the items banned from being carried on board are handbags, mobile phones, laptop computers and iPods.
Which of the following might be carried on board by hand？
A．All cabin baggage.
B．Items in transparent plastic carrier bags.
C．Handbags and laptop computers.
D．Handbags and mobile phones.

听力原文：Hello, my name is Hellen Schulz. I've been a family physician for over 30 years. Everyday at work, as a doctor, I treat patients who want to take better care of themselves. I suggest plenty of rest and exercise and of course I always recommend a proper diet. Healthy eating is crucial to a healthy life. That' s why I developed a diet based on my experience in nutrition. Here, I'm providing the tools to succeed through the innovative diet in my new cookbook, "Schulz 300". The Schulz 300 will provide you with 300 pages of healthy, easy to make recipes. To order, call 1800-555-2121. That's 1800-555-2121.
Who most likely is the speaker？
A．A medical doctor
B．A salesperson
C．A fitness center instructor
D．A pharmacist