What does the passage mainly talk about？A．The relationship between overweight and health p

What does the passage mainly discuss？A．The importance of family economic conditions to kid

What does the passage mainly discuss？A．How to make better decisions.B．The factors affectin

What does the passage mainly discuss？A．The purchase of followers.B．The research on Twitter

What does the passage mainly talk about？A．NASA is cooperating with private companies.B．The

What does the passage mainly talk about？A．The monetary conditions across the euro monetary

What does the passage mainly discuss?A.Applicatio