1、英语必修二英语必修二Unit2illegal否定前缀：abnormaldisagreeimpossible/impoliteincorrectirregularunable/unhappyimmediately=right away/at once right now:1.at this moment此时此刻 2.immediately 立即；马上species 单复数同形Pandas are an endangered species.There are many species of dogs.die out(1)die away(尤指声音、光、风等)逐渐消失；停止die down 减弱；
2、平息die of/from 因而死die off 相继死去(2)be dying for 渴望；很想要be dying to do sth.极想要做某事aware adj.awareness n.认识，意识，兴趣be aware of make sb.aware that/of.提醒某人注意 aware后跟名词性从句时，一般从句前不能用of，但在what从句前必须用of。endanger endangered adj.濒危的concern vt.(使)担忧；涉及；关系到 n.担心；关注 concerning prep.关于concerned adj.担心的，关切的be concerned ab
3、out对关切，为担忧adapt v.适应；改编adaptation n.适应adapt oneself to（介词）使自己适应be adapted from 改编自形近词：adopt 收养；采纳，采用measure:take measures to do sth.采取措施做某事observe vt.observe sb.do/doing sth.observation n.观察observer n.观察者remind sb.to do sth.提醒某人做某事profit n.profitable 盈利的，有利可图的unprofitable 非盈利的intend：intend to do sth.打算做某事threat n.threaten vt.threantening 威胁性的，恐吓性的；凶险的exist existence n.存在，实存deer 单复数同形kangaroosneighbour 邻居emotional 情感的，情绪的
