The key to exercise solutions in chapter 7.1 - Changing bodies for the textbook New Total English Pre-Intermediate - Students' Book with authors Araminta Crace and Richard Acklam from Pearson Education
Question
Listen and repeat. Try to copy the intonation.
Answer
If you eat a lot of junk food,(↗) you'll put on weight.(↘)
If she continues to spend it all on clothes,(↗) she won’t have any money left.(↘)
If you don’t start eating healthily now,(↗) you'll reduce your lifespan.(↘)