174.Believed to originate from a small area on their foreheads, elephants emit low-frequency sounds that may be used as a secret language to communicate with other members of the herd.
(A) Believed to originate from a small area on their foreheads, elephants emit low-frequency sounds that may be used
(B) Elephants emit low-frequency sounds that are believed to originate from a small area on their foreheads, and they may use this
(C) Elephants emit low-frequency sounds, believed to originate from a small area on their foreheads, that they may use
(D) Originating, it is believed, from a small area on their foreheads; elephants emit low-frequency sounds they may use
(E) Originating, it is believed, from a small area on their foreheads, low-frequency sounds are emitted by elephants that may be used

182.Bringing the Ford Motor Company back from the verge of bankruptcy shortly after the Second World War was a special governmentally sanctioned price increase during a period of wage and price controls.
(A) Bringing the Ford Motor Company back from the verge of bankruptcy shortly after the Second World War was a special governmentally sanctioned price increase during a period of wage and price controls.
(B) What brought the Ford Motor Company back from the verge of bankruptcy shortly after the Second World War was a special price increase that the government sanctioned during a period of wage and price controls.
(C) That which brought the ford Motor Company back from the verge of bankruptcy shortly after the Second World War was a special governmentally sanctioned price increase during a period of wage and price controls.
(D) What has brought the Ford Motor Company back from the verge of bankruptcy shortly after the Second World War was a special price increase that the government sanctioned during a period of wages and price controls.
(E) To bring the Ford Motor Company back from the verge of bankruptcy shortly after the Second World War, there was a special price increase during a period of wages and price controls that government sanctioned.

184.Building large new hospitals in the bistate area would constitute a wasteful use of resources, on the basis of avoidance of duplicated facilities alone.
(A) on the basis of avoidance of duplicated facilities alone
(B) on the grounds of avoiding duplicated facilities alone
(C) solely in that duplicated facilities should be avoided
(D) while the duplication of facilities should be avoided
(E) if only because the duplication of facilities should be avoided

188.By installing special electric pumps, farmers’ houses could be heated by the warmth from cows’ milk, according to one agricultural engineer.
(A) farmers’ houses could be heated by the warmth from cows’ milk, according to one agricultural engineer
(B) the warmth from cows’ milk could be used by farmers to heat their houses, according to one agricultural engineer
(C) one agricultural engineer reports that farmers could use the warmth from cows’ milk to heat their houses
(D) farmers, according to one agricultural engineer, could use the warmth from cows’ milk to heat their houses
(E) one agricultural engineer reports that farmers’ houses could be heated by the warmth from cows’ milk