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1 these are the motives for doing it.
a reasons b excuses
c answers d replies
2 the river widens considerably as it begins to turn west
a extends b stretches
c broadens d bends
3 many economists have given in to the fatal lure of mathematics£®
a error b puzzle
c attraction d contradiction
4 with immense relief i stopped running
a no b 1ittle
c scarce d enormous
5 a great deal has been done to remedy the situation
a maintain b improve
c preserve d protect
6 john is collaborating with mary in writing an article
a cooperating b marrying
c combining d arguing
7 he will consolidate his power£®
a strengthen b win
c abandon d unite
8 many scientists have been probing psychological problems
a solving b exploring
c settling d handling
9.hearing problems may be alleviated by changes in diet and exercise habits£®
a removed b cured
c treated d lessened
10 the conclusion can be deduced from the premises
a gone b derived
c done d come
11 the food is insufficient for three people
a scarce b short
c marginal d inadequate
12 most of the butterflies perish in the first frosts of autumn
a die b disappear
c migrate d vanish
13 but ultimately he gave in£®
a undoubtedly b certainly
c finally d necessarily
14 it is a complicated problem£®
a strange b complex
c difficult d unusual
15 in britain and many other countries appraisal is now a tool of management-
a evaluation b production
c efficiency d publicity