1.Because they think their children can get a wider view,less academic competition or family honor．／Because they want their children to get a wider view,less academic competition or family honor．
2.The culture differences and language problems．／They have to face the culture differences and language problems．
3.Yes．it is．/Yes．
4.Yes,they do．／Yes．
5.The advantages and disadvantages of studying in foreign countries.／The problems of young students studying in foreign countries.／The good or bad points of studying in foreign countries(abroad).／The life and studying problems in foreign countries．