A) circle

　　B) rank

　　C) category

　　D) grade

　　54. During the lecture, the speaker occasionally his point by relating his own experiences.

　　A) illustrated

　　B) hinted

　　C) cited

　　D)displayed

　　55. Only those who can to lose their money should make high-risk investments.

　　A) maintain

　　B) sustairt

　　C) endure

　　D) afford

　　56, He found the media attention intolerable and decided to go abroad.

　　A) sufficient

　　B) constant

　　C) steady

　　D) plenty

　　57. There has been a collision a number of cars on the main road to town.

　　A) composing

　　B) consisting

　　C) involving

　　D) engaging

　　58. elephants are difthrent from wild elephants in many aspects, including their tempers.

　　A) Cultivated

　　B) Regulated

　　C) Civil

　　D) Tame

　　59. Ten days ago the young man info~ed his boss of his intention to

　　A) resign

　　B) reject

　　C) retreat

　　D) replace

　　60. As one of the world's highest paid models, she had her face. for five million dollars

　　A) deposiled

　　B) assured

　　C) measured

　　D) insured