The main purpose of the passage is to______.A．offer advice on how to prevent hip fractures

What is the main purpose of the passage？A．To outline the research findings on the brain st

The main purpose of the passage is to______.A．introduce the dangers of air－conditioningB．e

The main purpose of the passage is toA．offer advice on how to cure a variety of common ail

The main purpose of this passage is to__________.

What is the author‘s main purpose in writing the passage?

The main purpose of the passage is to ______.A.praise the propaganda methods of other nati