1．概括说明中美大学生的主要收入来源；
2．分析一下产生这种不同现象的可能原因；
3．指出个人对其将来趋势的预测。


Survey of Income Sources of American and Chinese Students

A．Winter is his favorite time for sports.
B．Sports are quite important to him.
C．He should be more enthusiastic.
D．He plays better than he used to.

A．She quite agrees with the man.
B．She won’t have holidays in March.
C．She regards the man’s opinion as nonsense.
D．She can’ t go to Austria for her holiday.