慢速英语:Study Shows How Poverty Could Limit Learning

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standardized test – n. a test that is administered and rated in a predictable, or “standard,” way

gray matter – n. neural tissue especially of the brain and spinal cord that contains nerve-cell bodies and has a brownish-gray color

temporal lobe – n. a large lobe of each cerebral hemisphere in the brain

pediatrics – n. a area of medicine that deals with the development, care, and diseases of babies and children

adolescence – n. the period when a child develops into an adult

status – n. of, relating to, or involving one’s social standing or other influences

stimulate – v. to cause (something) to happen or develop

achievement gap – n. the difference between the test scores of low-income students and those of middle class or wealthier students.