... learned in unit 1. unit 2 and unit 3. 2. Knowledge: - General knowledge in unit 1, unit 2 and unit 3.- Language: pronunciation and grammar in the above units. 3. Skills: listening, speaking and writing.II. ... Report the answers:+ The events: people got on plane, plane took off, hostesses were just beginning to serve lunch when plane began to shake, plane seemed to dip, people screamed in panic.+ ... themes:+ You and me+ Education+ Community+ Nature and the environment+ Recreation.+ People and places.- Sixteen units.b. The Structure of the book: - There are sixteen units . In each unit ,...