题目内容
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Advances in medical technology have made it possible for people(live)______longer．
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更多“Advances in medical technology have made it possible for people（live)______longer．”相关的问题
Medical advances sometimes involve risk of harm.
A．Y
B．N
C．NG
Modern medical advances ______ the average life expectancy by several years.
A．expanded
B．spread
C．extended
D．enlarged
The Human Genome Project will lead to amazing advances in medical science.
A．Y
B．N
C．NG
A．available
B．applicable
C．approachable
D．attainable
A．which
B．whereas
C．such as
D．is also
What does the author think about experimenting on apes？
A．It should be stopped.
B．It should not be stopped unless apes are shown to have a consciousness like our own.
C．The medical advances gained are outweighed by the suffering of the apes.
D．It is akin to experimenting on orphan children.
Consider medicine, for instance. No one can deny that medical progress has enriched our lives tremendously. Because of medical advances, we eat better, live easier and are able to take care of ourselves more efficiently. We can cure disease with no more than one injection or a pill. If we have a serious accident, surgeons can put us back together again. If we are born with something defective, they can repair it. They can make us happy, restore our normality, ease our pain, replace worn parts and give us children. They can even bring us back from the dead. These are wonderful achievements, but there is a price we have to pay.
Because medicine has reduced infant mortality and natural death so significantly, the population has been rising steadily, in spite of serious efforts to reduce the rate of population growth. Less than a century ago in the United Stales, infant mortality claimed more than half of the newborn within the first year of life. Medical advances, however, have now reduced that rate to nearly zero. A child born in the United States today has better than a 90% chance of survival. Furthermore, medical advances have ensured that most of these infants will live to be seventy years of age or more, and even that life expectancy increases every year. The result of this progress is an enormous population increase that threatens the quality of life, brought about by progress in the medical profession.
According to this passage, " progress" doesn't always mean that______.
A．something has become stronger and better
B．something has been changed from being one thing to another
C．something has become funny
D．something turns out to be worse than before
A．How can researchers reproduce the useful effects of hypnosis in a medical setting？
B．How are experiments devoted to disproving the "vivid imagination" objection to hypnosis different from those devoted to disproving the "placebo effect" thesis？
C．What research guarantees the reality of the effects that hypnosis has on brain activity, and what is their causal mechanism？
D．What technical advances have permitted researchers to reject skeptical explanations of the phenomenon of hypnosis？
E．What relationship does brain activity have to the subjective experience of the hypnosis phenomenon？
A．What research guarantees the reality of the effects that hypnosis has on brain activity, and what is their causal mechanism？
B．How are experiments devoted to disproving the "vivid imagination"objection to hypnosis different from those devoted to disproving the"placebo effecfthesis？
C．How can researchers reproduce the useful effects of hypnosis in a medical setting？
D．What technical advances have permitted researchers to reject skeptical explanations of the phenomenon of hypnosis？
Important technological advances such as those already mentioned have encouraged scientists to develop the artificial heart. Early in 1983,in its first use by a human patient, a medical team at the University of Utah Medical Center replaced the diseased heart by a Jarvik-7.
The world watched amazed as television pictures of Dr. Clark showed him as he improved steadily after the surgery. His continued life demonstrated that a bionic device could imitate the action and function of a healthy heart. Dr. Clark lived for 112 days.
Life-like or bionic machines have existed for several centuries. The development of tools by man' s ancestors is a good example of the application of bionics to extend human capabilities. Modern bionic research is especially involved in prosthetics devices that substitute for, or replace lost or diseased body parts such as arms ,legs ,and eyes.
Recent advances in electronics have enabled scientists to make better use of electrical impulses in the control of prosthetic devices. One interesting research project is the development of an artificial eye in which video signals are transformed into light patterns that are sent into nerve receptors in the patient.
The future for applied bionics seems to be promising. Existing bionic devices will become smaller, faster, and more effective. The artificial heart used for Dr. Clark is only one of experimental replacement devices. It is likely to be joined in the future by replacements for other internal systems or organs. Bionic livers, stomachs, and lungs are not impossibilities!
Which of the following does this passage mainly discuss？
A．The application of bionics.
B．The first "open heart" surgery.
C．The development of the artificial heart.
D．The future of applied bionics.
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