Ⅰ.核心单词→识记·思考·运用
一、单词拼写
1．*He had been ill for a long time and ________(因此) he was behind in his work.
2．(2013·北京，阅读A)We all know that the cost of heating our homes will continue to be a significant ________(负担) on the family budget.
3．People will not face this alternative because it is so difficult to ________(废除)war.
4．When his influence began to ________(收缩)，his wealth also decreased.
