1知识目标
（1） 词汇： debate；illness; prevent; suppose; relaxed ; too much ; do one’s best
（2） 句型： Is life today better or worse than it was 50 years ago ?
And that makes life more dangerous and less healthy.
Why don’t you ask Mrs. Li downstairs?
(3 )语法：形容词与副词
2能力目标：能听懂含有比较级的句子；运用形容词的比较级和副词的比较级去比较过去的生活和现在的生活。
3情感目标：通过今昔对比，激发学生对未来生活的美好向往
