Unit 8 You Find What You Are Looking for

unit 8 you find what you are looking for
一. 教学内容：
unit 8 you find what you are looking for lesson 4
 
二. 重点、难点
    语法
lesson 4 revise and improve
relative clauses
a doctor is a person who helps sick people.
a hospital is a place where sick people go to see a doctor.
medicine is a thing that people take to get better.
medicine is something which people take to get better.
let’s take a look:
the second sentence gives more information about the first one:
a carpenter is a strong person./ a carpenter works with wood.
teachers are caring people. / teachers work very hard.
a violin is a musical instrument. / a violin makes beautiful music.
apples are delicious fruit. / apples grow on trees.
china is a huge country. / there are over a billion people in china.
beijing is a famous city. / there