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Directions: Each of the following sentences has a word or phrase underlined. There are four words or phrases beneath each sentence. Choose the word or phrase which can best keep the meaning of the original sentence if it is substituted for the underlined part. Mark your answer on the ANSWER SHEET.
41. The arbitrary decision of the factory owners caused anger among the workers.
A. orbital B.optional C. assertive D. disappointed
42. The strong, light-weight bamboo makes an excellent reinforcement for concrete.
A. replacement B. enforcement C. substitute D. strengthening
43. If a client insists upon being stubborn, lawyers have to settle claims in court.
A. obstinate B.indignant C. obsessive D. furious
44. It is well known that the minimum penalty for this crime is 2 years’ imprisonment.
A. conviction B.span C. mercy D. punishment
45. Babies need to be held and soothed when they are disturbed or hurt.
A. smoothed B. calmed C. touched D. cared
46. Illegalizing cloning is more likely to drive it underground than stamp it out，according an official with WHO.
A. exterminate it B. get rid of it
C. try it out D. take it into consideration
47. With his brows knitted, the surgeon contemplated the difficult operation he had to perform.
A. succeeded in B.decided against
C. went on with D. thought deeply about
48. Furthermore, each experience report tends to be written from scratch, without a common format or structure for the writer to follow.
A. from the beginning B. from now on
C. from time to time D. from the bottom
49. The time needed for the eggs to incubate is nine or ten days.
A. administer B.nurture C. hatch D. ensure
50. Hypoglycaemia can be caused by a disruption in the balance between the hormone insulin and sugar.
A. disturbance B.distraction 0. intersection D. interpretation