题目内容
（请给出正确答案）
What is the passage mainly about？
A) How biochemical changes occur in the human brain.
B) Why people should keep active not only physically but also mentally.
C) How intellectual activities influence brain-cell health.
D) Why people should receive special mental training as they age.
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更多“What is the passage mainly abo…”相关的问题
What does the word "laid-off" in the passage mean？
A．Heavily-burdened.
B．Old.
C．Inexperienced.
D．Jobless.
What kind of animal affected by man-made chemicals is not referred in the passage？
A．Polar bears.
B．People.
C．Mammals.
D．Birds.
What is the main topic of the passage？
A．Management skills.
B．Performance evaluation.
C．How to make the employees more productive.
D．How to find incompetent employees.
What may be "the equity-based culture" refer to in the passage？
A．Investor confidence.
B．CEO compensation.
C．Pressure on Wall Street.
D．Modem accounting.
What's the writer's attitude to the matter in the passage？
A．Positive.
B．Negative.
C．Subjective.
D．Objective.
What type of writing does this passage belong to？
A．Exposition.
B．Narration.
C．Argumentation.
D．Prose.
What is the subject of the passage？
A．A UNICEF Research.
B．Children -the Best Investment.
C．How to Increase Your Money.
D．Women's Role in Upbringing Children.
What does the passage mainly discuss？
A．Inflation.
B．Deflation.
C．How to define inflation and deflation.
D．How inflation and deflation cause changes in income distribution.
What is the best title of this passage？
A．Hunger and Malnutrition in Developing Countries
B．Hunger and Malnutrition Biotech Does Promise
C．Genetically Modified Foods Feed the World？
D．Application of Biotech Challenges World Hunger
