C [根据本空前的“being charitable”可知，此处是说仁慈是正确的(right)事情，故C项正确。]
13．A．illnesses C．chances
B．stresses D．burdens
B [根据本空前的“Giving to others helps lessen”可知，此处是说帮助他人缓解生活中的两大压力(stress)，故B项正确。] 14．A．effect C．advice
B．emphasis D．disagreement
B [根据本空后的“self-centeredness”可知，此处是说物质主义强调(emphasis)自我为中心，故B项正确。] 15．A．advertising C．meeting
B．competing D．negotiating
A [根据下文中的“advertisers”可知，此处是说广告(advertising)的狂轰滥炸，故A项正确。]
16．A．prohibited C．frightened
B．encouraged D．threatened
B [根据本空后的“to ‘need’ the next cool gadget(小玩意)，pair of sports shoes，or toys.”可知，广告的狂轰滥炸鼓励(encourage)我们买东西，故B项正确。] 17．A．easily C．increasingly
B．slightly D．indirectly
A [上文说广告的狂轰滥炸鼓励我们买东西，此处是说我们的孩子特别容易(easily)受其影响，故A项正确。] 18．A．advance C．disagreement
B．embarrassment D．fear
D [根据本空后的“terrifying images of violence and chaos”可知，坏新闻的过度曝光会引起恐惧(fear)，故D项正确。] 19．A．win C．judge
B．avoid D．defeat
B [根据本空后的“These tragic events upset our children and can leave them feeling powerless and sad.”可知，暴力和脏乱的画面很难避免(avoid)，故B项正确。] 20．A．realities C．profits
B．requests D．applications
A [根据本空后的“But we can combat their influence by teaching our children to give their time and talents to help others”可知，此处是说我们虽然不能让孩子们免受这
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些现实(reality)的冲击，但可以通过教他们帮助他人来对抗这种影响，故A项正确。]
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