高二英语教案：Unit13（Period 2）

　　The Second Period

　　Teaching Aims:

　　1.Learn and master the following words and phrases:

　　cube,property,range,medium,relatively,dissolve,pure,relationship,mass,float,absorb,bottom,all the way,that is,add…to,mix with,take advantage of,manage to do

　　2.Improve the students’ reading ability.

　　3.Enable the students to realize that it is important to protect the water on our planet.

　　Teaching Important Points:

　　1.Improve the students’ reading ability.

　　2.Master the following phrases:

　　all the way,that is,mix with,take advantage of,manage to do

　　Teaching Difficult Point:

　　How to make the students understand the reading passage better.

　　Teaching Methods: