题目内容
（请给出正确答案）
What makes Dr. Seamus Burns' device special is ______.
A．the Cambridge University basement
B．the usage of plastic materials
C．the usage of hard glass
D．its low price and lightweight
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更多“What makes Dr. Seamus Burns' d…”相关的问题
According to Dr. Chiu, what makes it possible to track down any paper work is to ______.
A．make all the imperfections of machines deliberate
B．find out the guilty creator of the counterfeit document
C．allow more imperfectly designed printers to be sold
D．mark all the printers in a special and secret way
Dixie Rose Makes Another Stride in Recovery
The St. Louis Derby winner Dixie Rose had the cast changed on his broken hind leg, his veterinarian said yesterday, and the plates and screws that were inserted three weeks ago appear to be working.
The first cast, which was placed on Dixie Rose's leg after four hours of surgery on May 21, was removed under general anesthesia, the University of Missouri School of Veterinary Medicine's Skroll Center said in a news release.
"His leg looks excellent," Dr. Debra Gregory said in the release. She added that the incision had healed well and the graft was taking.
Dr. Gregory implanted a plate and 27 screws to help the ankle fuse a day after Dixie Rose fell during the Holloway Stakes race in Charleston, South Carolina.
"All of the implants look unchanged," Dr. Gregory said. "The prognosis is good. It's unlikely he will race again, but the leg should recover fully."
Dixie Rose, a three-year-old colt, remains in the intensive care unit at the hospital in Columbia, MO.
What is learned about Dixie Rose？
A．He won the St. Louis Derby.
B．He won three of his last four races.
C．He was unable to start the Holloway Stakes.
D．He was not expected to win the Holloway Stakes.
听力原文：W: Dr. Smith, thank you for coming to our program.
M: My pleasure.
W: When you said that the Internet is causing a decline in psychological well-being, what do you mean by that？
M: Well, psychologically, people are getting more depression and loneliness than before, especially for those who spend long time on the Internet.
W: So if people spend just a few hours a week on the Internet, they would not have the bad feeling then？
M: Not really. Actually, it's not the long time on the Net that causes them feel bad but the state of being on the Net does.
W: But you said you had much brighter expectations at first.
M: Yes, we supposed that the Net would prove to be socially healthier than television, since the Net allows users to choose their information and to communicate with others.
W: Then, why did the result turn to be completely contrary to your expectations？
M: Well, people on the Net do have more "virtual" communication, but this kind of faceless and bodiless communication is less psychologically satisfying than actual conversation. And they reduce their time being with family and friends. Another possibility is that exposure to the wider world via the Net makes users less satisfied with their lives.
W: The Internet should be found guilty of this phenomenon, right？
M: I don't think so. It's not about the technology; it's about how it is used. It really points to the need for considering social factors in terms of how you design applications and services for technology.
22．What really makes people feel bad on the Internet according to the man？
23.Which is included in the expectations of the man at first？
24.Why do people get less happiness from the spiritual aspect？
25.What is the radical reason for this phenomenon according to the man？
(23)
A．Spending more hours on the Internet.
B．Spending fewer hours on the Internet.
C．The state of being on the Internet.
D．Their brighter expectations not being met.
What bothers noise experts is that plenty of commonplace machines are just as loud as, or even louder than, the Concorde. A sanitation truck can be noisier, and so can a heavy diesel truck pulling away from a stop sign. One expert who has gone out of his way to dramatize the prevalent offensiveness of the city sound-scale is Dr. Thomas H. Fay, director of speech and hearing at Columbia-Presbyterian Medical Center in New York. Dr. Fay took a sound-meter into a New York City subway and proved that an approaching train can be twice as loud as the Concorde.
Since World War Ⅱ, the number of the high-powered noise-makers, from trucks and motorcycles to air conditioners and sirens has increased almost geometrically. It' s no wonder that in many areas of the country, especially in the suburbs, the average sound level has doubled in 20 years. Noise experts estimate that city noises are increasing a half-decibel a year. They found that in 1971 the quietest parts of Los Angeles--thought to be a relatively quiet city--were louder than the loudest districts of New York in 1937.
This passage mainly talks about ______ .
A．the problem of the supersonic transport plane, the Concorde
B．a comparison between the Concorde and other machines
C．the problem of noise
D．noise in the suburbs
Which does NOT explain that laughter helps relieve pain according to Dr. William Fry？
A．Laughter makes them forget the pain.
B．When we stop laughing, these muscles relax.
C．When we laugh, muscles are activated.
D．The cycle of laughing and stopping laugh makes muscles relax and relieve the pain.
Much of eye behavior. is so 【27】______ that we react to it only on the intuitive level. The next time you have a 【28】______ with someone who makes you feel liked, notice what he does with his eyes. 【29】______ are he looks at you more often than is usual with 【30】______ a little longer than the normal. You interpret this as a sign of a polite one 【31】______ he is interested in you as a person 【32】______ just in the topic of conversation. Probably you also feel that he is both 【33】______ and sincere.
All this has been demonstrated in elaborate 【34】______ . Subjects sit and talk in the psychologist's laboratory, 【35】______ of the fact that their eye behavior. is being 【36】______ from a one-way vision screen. In one fairly typical experiment, 【37】______ were induced to cheat while performing a task, then were 【38】______ and observed. It was found that those who had 【39】______ met the interviewer's eyes less often than was 【40】______ , an indication that "shifty eyes" to use the mystery writers' stock phrase can actually be a tip-off to an attempt to deceive or to feelings of guilt.
【21】
A．friend
B．foreigner
C．passerby
D．stranger
From Dr. Dustan's study we can infer that _____.
A．a low-salt diet may be prescribed for some people
B．the amount of salt intake has nothing to do with one's blood pressure
C．the reduction of salt intake can cure a hypertensive patient
D．an extremely low-salt diet makes no difference to anyone
听力原文：W: Dr. Cottam. You're studying the effects of air pollution on trees？
M" That's right.
W: Could you tell us something about it？
M: Trees in industrial areas grow much more slowly than they should. Worse still, trees hundreds of miles away also seem to be damaged by these same industries.
W: You mean "acid rain", I suppose.
M: Yes.
W: What effects does acid rain have on the environment'？
M: For a start, lakes polluted by it in this way can no longer support any fish. Gradually the acid rain washes elements out of the soil essential for healthy plant growth.
W: But I think that there's no general agreement on the causes and effects of acid rain.
M: That's right. The distances involved are so great that it's impossible to prove what's actually going on. And no one will willingly accept even partial responsibility for something that happens miles away.
W: But trees are dying. No one can deny that.
M: Exactly.
W: So how does your investigation go？
M: We've set up special glasshouses to keep a careful observation on the growth of the plants. We pump in controlled amounts of air pollutants, including ozone, which isn't always associated with acid rain.
W: Which industries emit ozone？
M: Mainly oil refining industry. We also occasionally cool the atmosphere in the greenhouses, which causes frost.
W: Have you had any results from these experiments yet？
M: It's still too early to draw any definite conclusions. But we've noticed that plants at low temperatures are affected more severely than those at normal temperatures.
W: So cold weather makes the effects of pollution worse？
M: It certainly looks that way. But we still hope to be able to persuade industries to take measures to reduce emissions of gases into the atmosphere.
(20)
A．Fishes die in lakes.
B．Elements needed for healthy plant growth are washed out of soft.
C．Trees grow much more slowly than they should.
D．It contributes to climate change and causes frost.
What is Dr. Green？
A．A psychiatrist.
B．A pediatric dentist.
C．A paediatrician.
