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发布时间:2024-07-15 00:42:58

[填空题]Passage Three
For years researchers thought that IQ, or fluid intelligence-the ability to solve new problems and reason well-could not be (1) . You had the smarts you were born with, period. No one believed that a few brain exercises, if done often enough, could boost (2) intelligence. A study published in Proceedings of the National Academies of Sciences shatters that dogm
  • a.
    Researchers ran participants through a (3) of training sessions with a computerized test that was (4) to become harder as the participants’ scores rose and (5) as their scores went down. The task involved observing two streams of stimuli, one heard (spoken consonants) and one seen (spatial locations). The demanding part (6) nothing when the two stimuli matched what had occurred two or even three steps (7) in the sequence. Each participant’s intelligence was (8) before taking the first te

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[填空题]Passage Three
For years researchers thought that IQ, or fluid intelligence-the ability to solve new problems and reason well-could not be (1) . You had the smarts you were born with, period. No one believed that a few brain exercises, if done often enough, could boost (2) intelligence. A study published in Proceedings of the National Academies of Sciences shatters that dogm
  • a.
    Researchers ran participants through a (3) of training sessions with a computerized test that was (4) to become harder as the participants’ scores rose and (5) as their scores went down. The task involved observing two streams of stimuli, one heard (spoken consonants) and one seen (spatial locations). The demanding part (6) nothing when the two stimuli matched what had occurred two or even three steps (7) in the sequence. Each participant’s intelligence was (8) before taking the first te
[单项选择]Three years ago E]on College, a school of more than 4, 000 students with a rising academic reputation, decided it was no longer good marketing to be known as Fighting Christians and changed its mascot to the Phoenix, emblematic of its rebirth after a major fire in the 1920s.
Some alumni resisted, but the change produced nothing like the soul-searching the school went through when, five months later, it joined a major movement in US higher e-ducation by dropping the word "college" and renaming itself Elon University.
In the past 10 years, according to Higher Education Publications Inc. in Arlington, 161 other US colleges have done the same thing, for reasons that often have as much to do with image as academics. To make the situation more confusing, many of the new universities still advertise their collegelike atmosphere, while some institutions that call themselves colleges still tell potential applicants that they are just like universities.
Guess which image is more a
A. America’s best colleges.
B. The power of the word "university".
C. Elon College renames itself.
D. Colleges upgrade their image by changing their names.
[单项选择]A. Three years ago. B. For three years.
C. Maybe in three years. D. No, only three years.
[单项选择]Passage Three
Three years ago, researchers announced the discovery of human genes that were capable of turning ordinary cells into malignant ones. The news met with some skepticism. Experts asked how a single gene could cause such a dramatic change. Why does cancer take years or even decades to develop if it is caused by such a simple and direct process In last week’s issue of the, three research teams answered those questions by setting forth a new model for understanding the role of oncogenes in cancer.
Each group found that it does in fact take more than a single gene to produce cancer in normal cells. Teams at M. I. T and Cold Spring Harbor Laboratory on Long Island, N. Y. , reported that they could induce cancer in normal rat cells only by inserting at least two types of oncogene into the cells. "A single oncogene produced some changes,
A. cancer takes a long time to develop
B. single genes were not thought to cause cancer
C. genes would take years or even decades to bring about cancer
D. the researcher’s report was too simple

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