更多"Many scientists believed that they "的相关试题:
[填空题]Many scientists believed that they could produce an anti-AIDS vaccine that could be given to people to ______the disease.
[填空题]Scientists believed that Mayan city ______ because many buildings were left unfinished.
[填空题]What do scientists think of dreams
Many scientists believe that dreams are ().
[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 mysteries-h
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.
[填空题]Up until now, scientists still could not explain how leaves will change colors during the fall.
[单项选择]That Louis Nevelson is believed by many critics to be the greatest twentieth-century sculptor (雕刻家) is all the more remarkable because the greatest resistance to women artists has been, until recently, in the field of sculpture. Since Neolithic (新石器时代的) times, sculpture has been considered the privilege of men, partly, perhaps, for purely physical reasons: it was faultily assumed that women were not suited for the hard manual labor required in sculpting stone, carving wood, or working in metal. It has been only during the twentieth-century that women sculptors have been recognized as major artists, and it has been in the United States, especially since the decades of the fifties and sixties, that women sculptors have shown the greatest originality and creative power. Their rise to prominence (声望) parallels the development of sculpture itself in the United Sates: while there had been a few talented sculptors in the United States before the 1940’s, it was only after 1945-when New York wa
A. won their first award in international competitions
B. exceeded their male counterparts in the field
C. were acknowledged as a powerful branch in the field
D. were admired for their female perspectives in arts
[单项选择]That Louise Nevelson is believed by many critics to be the greatest twentieth-century sculptor is all the more remarkable because the greatest resistance to women artists has been, until recently, in the field of sculpture. Since Neolithic times, sculpture has been considered the prerogative of men, partly, perhaps, for purely physical reasons: it was erroneously assumed that women were not suited for the hard manual labor required in sculpting stone, carving wood, or working in metal. It has been only during the twentieth century that women sculptors have been recognized as major artists, and it has been in the United States, especially since the decades of the fifties and sixties, that women sculptors have shown the greatest originality and creative power. Their rise to prominence parallels the development of sculpture itself in the United States: while there had been a few talented sculptors in the United States before the 1940’s, it was only after 1945 — when New York was rapidly b
A. assignments.
B. assumptions.
C. connotations.
D. collections.