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Do you wake up every day feeling too tired, or even upset If so, then a new alarm clock could be just for you. The clock, called SleepSmart, measures your sleep cycle, and waits (67) ___ you to be in your lightest phase of sleep (68) _ rousing you. Its makers say that should (69) _ you wake up feeling refreshed every morning.. As you sleep you pass (70) _ a sequence of sleep states — light sleep, deep sleep and REM (rapid eye movement) sleep — that (71) _ approximately every 90 minutes. The point in that cycle at which you wake can (72) _ how you feel later, and may (73) _ have a greater impact than how much or little you have slept. Being roused during a light phase (74) _ you are more likely to wake up energetic. SleepSmart (75) _ the distinct pattern of brain waves (76) _ during each phase of sleep, via a headband equipped (77) _ electrodes (电极) and a microprocessor. This measures the electrical activity of the wearer’’s brain, in much the (78) _ way as some machines used for medical and research (79) _ and communicates wirelessly with a clock unit near the bed. You (80) _ the clock with the latest time at (81) _ you want to be wakened, and it (82) _ duly(适时地) wakes you during the last light sleep phase before that. The (83) _ was invented by a group of students at Brown University in Rhode Island (84) _ a friend complained of waking up tired and performing poorly on a test. " (85) _ " sleep-deprived people ourselves, we started thinking of (86) ___ to do about it," says Eric Shashoua, a recent college graduate and now chief executive officer of Axon Sleep Research Laboratories, a company created by the students to develop their idea.

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Once a great earthquake ________________(将这个城市化为一片废墟).

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What does the man think of the woman’s plan

A. [A] He can help her find the name.
B. She had better get two poetry books instead.
C. She might be wasting her time.

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Last summer the author got a letter from a man asking to cancel his wife’s subscription.

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C You may open your electronic mail and find information about how to buy medicine, cheap airline tickets, books and, of course, computers and computer products. There may also be offers for investment deals, bank loans and special holidays. However, to many computer users, this use of electronic spam sell products has become a major problem as it makes computer communication more difficult. Many companies who want to send a great deal of advertisement might use the services of a "spammer’. A spammer is a person or company that uses computers to send out millions of copies of the same sales information. Spammers find e-mail addresses from websites, news groups and "chat rooms" where people send messages to each other. Most spam is sent by companies who are trying to get you to buy their products. Some of these are honest companies that offer good products or services for a fair price. These companies can offer their products at a cheaper price than you might find in a store. However, much of the spam is sent by criminals who are trying to sell products that do not exist of offer services they will not provide. They are only interested in stealing your money. When you answer their spare you find you are expected to send them money and receive a gift. One country in Africa has become famous for the number of criminals who try every known trick to separate people from their money. What does the underlined word spam in the first paragraph probably refer to

A. Unwanted electronic information that reaches computer users.
B. Computer virus that causes computer communication difficulties.
C. Advertisements sent out by companies who want to sell their products.
D. Companies that send out millions of copies of the same sales information.

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