《学习目标》 熟记tolerate, seek, oppose 3个单词, in vain, at random, at all costs 3个短语,2个句型的基本分析。《重点、难点》在语境中灵活使用单词、短语。自主学习案一.派生词 1.digest v._________ digestion n._____________ 2.seek v. ________ 过去式_________ 过去分词__________ 3threat n. ___________ threaten v_____________ 4contradict v. ____________ contradiction n._________