更多"It is generally believed that Afric"的相关试题:
[单项选择]It is generally believed that ambition may be well regarded if ______.
A. its returns well compensate for the sacrifices
B. it is rewarded with money, fame and power
C. its goals are spiritual rather than material
D. it is shared by the rich and the famous
[单项选择]It is generally believed that swimming is one of the best ways for a person to _________ good health.
A. reserve
B. sustain
C. preserve
D. maintain
[单项选择]The shrinking range poses______to Africa’s elephants．
A. a graver threat that is long－term．
B. long－term the gravest threat．
C. the gravest long－term threat．
D. a long－term threat graver．
[单项选择]Coffee was believed to
A. have a magic power for eye diseases.
B. have a religious influence among Muslims.
C. have intoxicated most political people.
D. have gained its fame first in London.
[单项选择]The author believed that
[单项选择]Scientists have long believed that constructing memories is like playing with neurological toys. Exposed to a barrage of sensations from the outside world, we connect together brain cells to form new patterns of electrical connections that stand for images, smells, touches and sounds.
The most unshakable part of this belief is that the neurons used to build these memory circuits are depletable resource, like petroleum or gold. We are each given a finite number of cells, and the supply gets smaller each year. That is certainly how it feels as memories blur with middle age and it gets harder and harder to learn new things. Maybe it’s time for this notion to be forgotten-or at least radically revised.
In the past two years, a series of confusing experiments has forced scientific researchers to rethink this and other assumptions about how memory works. The perplexing results of these experiments remind scientists how much they have to learn about one of the last great mysteri
A. The neurons used to build the memory are a depletable resource.
B. The reason of memory loss as one grows older is that the neurons are worn out with the increase of age.
C. New memories do not need the supply of new neurons in the brain.
D. All of above.
[单项选择]British "structuralism" linguists believed that elements in a language were ______, that is, lower level systems of word classes led to higher level systems of phrases and sentences.
A. classified
B. rule-governed
C. varied
D. leveled
[单项选择]Emerson believed that man's capacity is
[单项选择]Freud believed in all of the following statements about the wish-fulfilling dream EXCEPT
A. It has a very important function.
B. It satisfies our unfulfilled desires.
C. Dreams of this type are usually very sweet.
D. Dreams of this type always last long.
[单项选择]Meera Shekar believed that poor countries should help malnourished children by ______.
A. providing food directly
B. educational programs in health and nutrition
C. improving living conditions
D. improving health care
[单项选择]Government is believed to differ strikingly from business in that government is characterized by ______.
A. its absolute control of power
B. its function in preserving personal freedom
C. its role in protecting basic American values
D. its democratic way of exercising leadership
[单项选择]
A
Cigarette smoking is believed by most research workers in this field to be an important factor in the development of cancer of the lungs and the throat and is believed to be related to cancer of the bladder(膀胱) and the oral cavity(口腔). Male cigarette smokers have a higher death rate from disease than non-smoking males.
Female smokers are thought to be less affected because they do not breathe in the smoke so deeply. The majority of physicians and researchers consider these relationships proved to their satisfaction and say. "Give up smoking. If you don’t smoke, don’t start. "Some physicians and research workers though their small number is dwindling(减少)even further are less sure of the effect of cigarette smoking on health. They consider the increase in repiratory (呼吸的)diseases and various forms of cancer may possibly be explained by other factors in the complex human environment-atmospheric (大气的) pollution, increased nervous stress,
A. critical
B. approving
C. questioning
D. fond of it
