the fourth period
the general idea of this period
study the grammar: the present perfect tense 1.make sure the students know the differences between the present perfect tense and the past tense. do some listening and learn some new words.
teaching aims
1. enable the students to learn and master some new words.
2. improve the students’ reading ability.
3. study how to use the present perfect tense.
teaching important points
1. help the students to learn the grammar: the present perfect tense.
2. improve the students’ listening ability.
teaching difficult points
1. help the students to learn the grammar: the present perfect tense.
2. how to improve the students’ listening ability.
teaching methods
1. listeni
Unit 4 Astronomy: the science of the stars