C

“Well, I finally did it. I finally decided to enter the digital age and get a cell phone. My kids have been annoying me and the last straw was when my car broke down, and I was stuck by the highway for an hour before someone stopped to help. But when I went to the cell phone store, I almost changed my mind. The phones all have cameras, computers and a “global­positioning” something or other that's supposed to spot me from space. Goodness, all I want to do is to be able to talk to my grandkids! The people at the store weren't much help. They couldn't understand why someone wouldn't want a phone the size of a postage stamp. And the rate plans! They were confusing, and expensive…and the contract (合同) lasted for two years! I'd almost given up until a friend told me about her new Jitterbug phone. Now, I have the convenience and safety of being about to stay in touch with a phone I can actually use.”

Affordable plans that I can understand—and no contract to sign! Unlike other cell phones, Jitterbug has plans that make sense. Why should I pay for minutes I'm never going to use? And if I do talk more than I plan, I won't find myself with no minutes like my friend who has a prepaid phone. Best of all, there is no contract to sign—so I'm not locked in for years at a time. The US­based customer service is second to none. And the phone gets service anywhere in the country.

Monthly Minutes 50 100 Monthly Rate $14.99 $19.99 911 Access FREE FREE Long Distance Calls No additional charge No additional charge Friendly Return Policy 30 days 30 days

Call now and receive a FREE gift when you order. Try Jitterbug for 30 days and if you don't love it, just return it! Why wait, the Jitterbug comes ready to use right out of the box. If you aren't as happy with it as I am, you can return it and get your money back. Call now, the Jitterbug product experts are ready to answer your questions.

Call 1­888­809­8794 or visit www.jitterbugdirect.com.

28.What made “I” finally think of getting a cell phone?

A.Being stuck by the highway.

B.Being urged by his grandkids.

C.Being persuaded by cell phone salespersons.

D.Being attracted by the friendlyreturn policy.

29.On the monthly basis of 100 minutes, the Jitterbug weekly rate is about ________.

A.$19.99 B.$14.99 C.$4.99 D.$3.75

30.An advantage of Jitterbugmentioned in the passage is ________.

A.its discount price with a free gift

B.its “global­positioning” system with 911 access

C.its reasonable rate plans without a contract

D.its good customer service all over the world

31. The main purpose of the passage is to ________.

A.tell a customer's story of Jitterbug

B.provide two ways to order Jitterbug

C.give a brief introduction of Jitterbug

D.attract potential customers to Jitterbug

D

Can eating a chocolate bar every day really prevent age-related memory loss? No. But a new research shows that large amounts of flavones(黄酮), substances found in cocoa, tea and some kinds of vegetables, may improve age-related memory failure.Dr. Scott Small is a professor of neurology (神经学) at Columbia University in New York City. He is the lead writer of a research paper describing the effects of cocoa flavones on brain activity. His study involved 37 volunteers aged between 50 and 69. Researchers gave them a high-level flavones drink made from cocoa beans or a low-level flavones drink. For a period of three months, some subjects got 900 milligrams of flavones a day. The others got 10 milligrams of flavones each day. Brain imaging and memory tests were given to each study subject before and after the study. Dr. Small says that the subjects who had the high-level flavones drink showed much improvement on memory tests.

The researchers warn that more work is needed to be done because this study was performed only on a small group. Dr. Joann Manson is the lead researcher of a four-year study involving 18,000 adults. This study will use flavones capsules. The study subjects will be divided into two groups and will take two pills per day. The capsules used will all look the same. But one group's capsules will contain flavones, while the other group will take capsules made of an inactive substance, or placebo(安慰剂).

Dr. Manson says it's not necessary for people to start eating more chocolate, because 3 persons would have to eat a huge amount of chocolate to get the same level of flavones given to the rest subjects. He adds many manufacturers have planned to remove the flavones from their chocolate products. Similarly, Dr. Manson says a cocoa-based flavones extract(提取)may be developed in the future But he says that more studies are needed to see how much flavones is good for our health.

32.What was done to the subjects after Dr. Small's study?

A. They were asked to take a high-level flavones drink.

B. They were given brain imaging and memory tests.

C. They were given capsules containing flavones.

D. They were asked to take two pills of flavones capsules per day.

33.What's the similarity of the two experiments?

A. Both use high-level flavones capsules.

B. The number of the subjects is the same.

C. Drinks and placebos are used in both experiments.

D. The subjects are divided into two groups in both experiments.

34.Why will Dr. Manson carry out the four-year study?

A. To carry out the experiment further.

B. To prove the first experiment is wrong.

C. To test how much flavones can improve our memory.

D. To show eating chocolate is better to improve memory.

35. What can we learn from the last paragraph?

A. It's not necessary for us to eat chocolate.

B. In the future we can get flavones without eating chocolate.

C. The more we eat flavones, the better our health will be.

D. It's easy for people to get the same level of flavones given to the test subjects.