sp; D) principle
53. Doctors warned against chewing tobacco as a for smoking.
A) succession C) revival
B) substitute D) relief
54. It was the first time that such a had to be taken at a British nuclear power station.
A) presentation C) prediction
B) preparation D) precaution
55. The board of the company has decided to its operations to include all aspects of the clothing business.
A) multiply C) lengthen
B) stretch D) expand
56. The test results are beyond ; they have been repeated in labs all over the world.
A) conflict C) bargain
B) dispute D) negotiation
57. The group of technicians are engaged in a study which all aspects of urban planning.
A) embraces C) inserts
B) performs &n
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