11. When the chairman visited the district hit by the earthquake, he often signaled for the children to come to him.

　　A. denied B. adored C. beckoned D. allowed

　　12. While living in Brazil, I used to crave the dishes prepared by my mother.

　　A. desire B. eat C. miss D. think

　　13. A balance of international payment refers to the net result of the business which a nation carries on with other nations in a given period.

　　A. cancels B. appropriates C. transacts D. mediates

　　14. The ultimate cause of the American Civil War was bombardment of Fort Sumter.

　　A. final B. unique C. true D. straight

　　15. Phosphorus is used in paints for highway signs and markets because it is bright at night.

　　A. luminous B. harmless C. adequate D. attractive

　　答案

　　C A C A A