Ⅰ.核心单词→识记·思考·运用
一、单词拼写
1．*(2015·重庆，阅读E) The creation by a great artist is as ________(永久的) an achievement as the discovery by a great scientist.
2．The feedback from the computer enables us to ________(更新) the program.
3．Do you read the article about the ________(营救)of the two fishermen?
4.She was in a ________(困境) whether to stay at school or get a job.
