47. People become less ____ to new ideas as they grow older.

　　A) receptive

　　B) available

　　C) attentive

　　D) attractive

　　48. Is he really ____ to judge a brass band contest?

　　A) competent

　　B) skillful

　　C) capable

　　D) efficient

　　49. The new airport will be ____ from all directions.

　　A) available

　　B) accessible

　　C) obtainable

　　D) achievable

　　50. The team's recent wins have now ____ them for the semi-finals.

　　A) fitted

　　B) promoted

　　C) qualified

　　D) selected

　　51. For parents, one of the problems ____ by rising prices is the continual demand for more pocket money.

　　A) given

　　B) posed

　　C) provided

　　D) forced

　　52. The police managed to ____ down the owner of the car.

　　A) trace

　　B) track

　　C) search

　　D) pursue