54.A.with B.for C.at D.in
55.A.interest B.problem C.service D.benefit
56.A.compare B.estimate C.explain D.reduce
57.A.factors B.products C.cases D.countries
58.A.natural B.major C.similar D.just
59.A.imagined B.acknowledged C.considered D.reported
60.A.to B.in C.from D.of
61.A.As B.Since C.Hence D.While
62.A.range B.distance C.order D.arrangement
63.A.prevailing B.spreading C.troubling D.underlying
64.A.policies B.methods C.programs D.systems
65.A.form B.set C.cover D.break
答案:
51.B 52.C 53.C 54.C 55.B
56.B 57.C 58.B 59.D 60.B
61.D 62.A 63.D 64.A 65.C