Unit 4　Films and film events
(主题语境:人与社会——文学、艺术与体育)

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高频单词
重点短语
难点句型
1.expose vt.使接触,使体验,使面临;暴露,显露,揭露[经典例句] His study shows that when robins are exposed to light at night in the lab,it leads to some genes being active at the wrong time of day.他研究表明,当试验室里知更鸟在晚上暴露于灯光下时,就会造成一些基因在一天中错误时间里变得活跃。(1)expose sth./sb.to...把……暴露在……之下expose oneself to sth.使面临,使遭受expose a secret/a plan泄露秘密/计划(2)exposed adj.无遮蔽be exposed to...置身于……;暴露于……(3)exposure n.面临;揭露