47. I'm sorry we gave you such a short ____ of our visit.

　　A) caution

　　B) notice

　　C) information

　　D) preparation

　　48. That old vase will ____ an attractive lamp-holder.

　　A) compose

　　B) form

　　C) make

　　D) assemble

　　49. The World Bank has criticized the country for not giving enough financial ____ to developing countries.

　　A) allowance

　　B) aid

　　C) loan

　　D) provision

　　50. Nothing would stop me from ____ my ambition.

　　A) reaching

　　B) completing

　　C) achieving

　　D) obtaining

　　51. He showed his ____ for the TV programmer by switching it off.

　　A) distaste

　　B) discontent

　　C) annoyance

　　D) boredom

　　52. They are ____ the woods for the missing child.

　　A) seeking

　　B) looking

　　C) investigating

　　D) combing

　　53. To prevent flooding in winter the water flowing from the dam is constantly ____ by a computer.

　　A) Managed

　　B) graded

　　C) monitored

　　D) conducted