Life in the future（Reference for Teaching）

reference for teaching
i．异域风情
l.american teenagers
    there are more than 35 million ameri-cans between the ages of 13 and 19．they are the nations teenagers．they express them-selves with their own music．clothes and lan-guage．they have the emotions of a child in the body of an adult．they want to be free and independent，yet they also want to be taken care of．many teenagers disagree with their parents about how much freedom they should have．some disobey their parents．they say their parents do not understand them．
    the new york times newspaper says 1956 was the year of the teenager．that was when the world teenage was first used to identify the culture of young ameri-cans．in the 1950s，teenagers began rebelling against adults．teenagers did not want to be
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