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[主观题]

A hearing test that analyses brain waves for subconscious responses to sound has recently

been devised by a team of specialists at the University of Iowa. Instead of depending on the patient to indicate when he hears a laboratory-controlled noise, as in the traditional form. of testing, this new method, called electric response audiometry, enables audiologists to trace the noise's path directly from the ear to the brain while the patient relaxes or sleeps. Although brain responses have been used in other auditory tests for some time, the University of Iowa specialists are the only scientists to date who analyze simultaneously three components of hearing—the responses of the middle ear, the auditory nerve, and the brain stem. This information helps to identify the precise location of a hearing problem and, at the same time, to measure its severity. While electric response audiometry is not meant to replace conventional means of testing, it is specially effective in diagnosing hearing problems in very young children, multiply handicapped individuals, and psychologically disturbed persons because it does not require the patient's active participation.

According to the passage, electric response audiometry can be used ______.

A.whether a person is awake or asleep

B.only if a person is relaxed

C.particularly if a person hears a loud noise

D.particularly when a person is dreaming

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更多“A hearing test that analyses brain waves for subconscious responses to sound has recently”相关的问题

第1题

The paragraph following this one would most likely deal with ______.A.why some people can

The paragraph following this one would most likely deal with ______.

A.why some people can hear better than others

B.what can be done to help the hearing impaired

C.how this new auditory test is conducted

D.which hearing problems are the most severe

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第2题

Study StylesYou know whether you're a morning person or a night owl. You know whether you'

Study Styles

You know whether you're a morning person or a night owl. You know whether you're a picky eater of a human garbage pail. But do you know if you learn better by reading or by hearing?...if you've survived school so far, you already have some sort of study routine—for better or for worse. We asked students all over the country for the lowdown on their methods of operations, and also collected some hard-won advice. See if you can recognize your own personal study method in the list below and learn how to study effectively.

The Dreamer

You may say you're studying. You may even look like you're studying. But your mind is in the clouds. Your test performance seldom reflects those long hours you spent at your desk, almost studying; Kim, from Montreal, says," When I got to the library, I end up sitting there and people-watching. "Cindy, from Lafayette, Pennsylvania, says: "Personally, I tend to write everything down on flash cards so I can quiz myself later. Everyone else thinks that I'll ace(成绩为A) the exam, but sometimes I find myself spending so much time writing down every little detail that I don't have time to actually study."

Warning: ff you spend all day pretend studying, you'll pay all night cramming for real.(What a waste of socializing time!) This year's resolution: Stay on target by setting goals(Like four chapters by Wednesday) and asking your friends to test you. Also, tune in to your interests: If you find yourself drawing elaborate doodles in the margins when you're supposed to be analyzing Shakespeare, take drawing classes and snap out of your day dream.

The Grind

One look at your sock drawer, meticulously(非常细心地) arranged in rainbow order, suggests control-freak tendencies. You never fail to do a fixed amount of studying each evening—and your good grades show it. You cautiously plot a course to conquer an unruly assignment, and you rarely break your routine. Gretchen, from Chicago, describes her hard-core method: "I completely organize all of my notes. Then, before I do anything else, I plan out exactly how many hours I'm going to study and how long I am going to take breaks. This way, I always stay on task. I read through my notes and then highlight the things I don't know well, to commit them to memory. "But she's not done yet] "Then I read my assignments again and take notes and study these notes the same way I studied my class notes." Whew, Sarah, from Scarsdale, New York, also considers herself a worker bee. "I plan my work so that there's something I have to do every night of the week. But when there's a test, I'll do all my assignments before trying to do an overview. Studying comes last because I'll wait until the last minute to even try to concentrating on something with so little structure."

Warning: While your self-discipline will serve you well in college (or the military), you might want to add more inspiration to your perspiration. No amount of memorization, or colorcoding your notebooks will help you write an original, opinionated essay—and you'll be writing plenty. This year's resolution: Vary your routine and think about your own insights more. After reading an assignment, try closing your eyes and recalling what you found interesting before buckling down with your impeccable notes. And if you've got a half hour to spare in your study schedule, try something messy and creative, like writing a poem.

The Social Studier

You're the kind who learns out loud. You yak your way to enlightenment, so study buddies are a must. In school, you remember more from hearing the lectures than from doing the reading. Roberta, from Princeton, New Jersey, says: "I went to a study counselor to find out that I learn best by listening. It's true: Until I hear some- thing out loud, it's not really real to me. When I'm studying and I don't understand something in our textbook, I'll c

A.Y

B.N

C.NG

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第3题

Scientists think that by the year 2000, _______.A.people will generally improve their hear

Scientists think that by the year 2000, _______.

A.people will generally improve their hearing

B.people will have worse hearing

C.people will wear contact lenses and hearing aids as well

D.people wearing hearing aids will outnumber those wearing contact lenses

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第4题

Hearing loss is the most widespread disease in the United States.A.YB.NC.NG

Hearing loss is the most widespread disease in the United States.

A.Y

B.N

C.NG

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第5题

I have_____much about you.

A.hear

B.heard

C.to hear

D.hearing

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第6题

It is laid out that candidates must have normal hearing and colour ______.A.outlookB.visio

It is laid out that candidates must have normal hearing and colour ______.

A.outlook

B.vision

C.horizon

D.perspective

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第7题

It is laid out that candidates must have normal hearing and color________.A.outlookB.visio

It is laid out that candidates must have normal hearing and color________.

A.outlook

B.vision

C.horizon

D.perspective

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第8题

Deafness can be a serious______ because it needs excellent hearing in some kinds of Work.A

Deafness can be a serious______ because it needs excellent hearing in some kinds of Work.

A.defect

B.flaw

C.shortcoming

D.handicap

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第9题

CheatingThe Kansan State University Junior was desperate. Already on academic probation af

Cheating

The Kansan State University Junior was desperate. Already on academic probation after stumbling through a shaky sophomore year while battling a severe case of asthma, he was about to flunk political science for missing two exams. Another F could mean suspension, which would put at risk the college degree he'd always counted on. He couldn't take that chance. Instead, he took a different one.

Thanks to a part-time job in the university's information-technology department, the young man -- a born-and-bred Midwesterner who loved reading and played trumpet in his high school band had access to his professor's online grade book. with a few quick keystrokes, he was able to give himself passing scores for the tests he hadn't taken. He wasn't clever enough, though, to cover his tracks. He was soon caught and suspended--and has been racked with guilt ever since.

While this student and his professors say the incident resulted from a momentary lapse in judgment, the sad fact is that, in a broader sense, it's hardly an isolated act. There's plenty to suggest that academic cheating is epidemic in the country's high schools and colleges. Consider a few examples: nine business students at the University of Maryland caught receiving text messaged answers on their cell phones during an accounting exam; a Texas teen criminally charged for selling stolen test answers--allegedly swiped via a keystroke-decoding device affixed to a teacher's computer--to fellow students.

Beyond the anecdotes, experts point to a stream of data--much of it from students themselves-- that indicates cheating is rampant. A report last June by Rutgers University professor Donald McCabe for The Center for Academic Integrity showed 70 percent of students at 60 colleges admitting to some cheating within the previous year; one in four admitted to engaging in serious cheating (copying from another student, using concealed notes, or helping someone else cheat). McCabe's high school findings were similarly grim: Of 18,000 high school students surveyed across the country over the past four years, 70 percent of those in public schools admitted to at least one case of serious test cheating; about six in ten admitted to some form. of plagiarism. Just under half of all private school students acknowledged similar lapses.

Cheating isn't new. As long as there have been roles, there have been people intent on breaking them. What's alarming now, says Institute founder Michael Josephson, is how widespread and blatant the practice has become.

"People who cheated were in the minority and they kept it secret, even from their friends," he says. "Now they are the majority, and they are bold about it. Today, if you ask kids about cheating, you will get such cavalier attitudes that the statistics are almost secondary."

Success at Any Cost

Josephson and others grappling with the issue say two forces are behind the erosion in ethics. First, advances in technology--chiefly the Internet and portable digital devices--have made cheating easier. A bigger factor, though, is the way bad behavior. across society--ball players popping steroids, business executives cooking corporate books, journalists fabricating quotes, even teachers faking test scores to make schools look good--signals that nothing is out of bounds when success is at stake.

The pressure to succeed that drives some to cheat starts early, says Tomas Rua, a senior at Friends Seminary, a New York City private school. "Everything that you do and work for is to maximize your potential," he says. "And many people feel driven to use any recourse so that they can get that grade. There is a lot of hysteria about college, and you start hearing about it in the middle school."

Daniel, a student at Turlock High School in California's Central Valley, certainly takes that attitude: "If I want to get the better

A.Y

B.N

C.NG

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第10题

There was so much noise that the speaker couldn’t make himself _______.

A.heard

B.to hear

C.hear

D.hearing

点击查看答案
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