1. Carnivorous mammals can endure what would otherwise be lethal levels of body heat because they have a heat-exchange network which kept the brain from getting too hot.
(A) which kept
(B) that keeps
(C) which has kept
(D) that has been keeping
(E) having kept

2. Rising inventories, when unaccompanied correspondingly by increases in sales, can lead to production cutbacks that would hamper economic growth.
(A) when unaccompanied correspondingly by increases in sales, can lead
(B) when not accompanied by corresponding increases in sales, possibly leads
(C) when they were unaccompanied by corresponding sales increases, can lead
(D) if not accompanied by correspondingly increased sales, possibly leads
(E) if not accompanied by corresponding increases in sales, can lead

3. That educators have not anticipated the impact of microcomputer technology can hardly be said that it is their fault: Alvin Toffler, one of the most prominent students of the future, did not even mention microcomputers in Future Shock, published in 1970.
(A) That educators have not anticipated the impact of microcomputer technology can hardly be said that it is their fault
(B) That educators have not anticipated the impact of microcomputer technology can hardly be said to be at fault
(C) It can hardly be said that it is the fault of educators who have not anticipated the impact of microcomputer technology
(D) It can hardly be said that educators are at fault for not anticipating the impact of microcomputer technology
(E) The fact that educators are at fault for not anticipating the impact of microcomputer technology can hardly be said

4. Sunspots, vortices of gas associated with strong electromagnetic activity, are visible as dark spots on the surface of the Sun but have never been sighted on the Sun’s poles or equator.
(A) are visible as dark spots on the surface of the Sun but have never been sighted on
(B) are visible as dark spots that never have been sighted on the surface of the Sun
(C) appear on the surface of the Sun as dark spots although never sighted at
(D) appear as dark spots on the surface of the Sun, although never having been sighted at
(E) appear as dark spots on the Sun’s surface, which have never been sighted on

5. Legend has it that when the Mohawk Joseph Brant was presented to George III in 1776, he proudly refused to kiss the King’s hand, inasmuch as he regarded himself an ally, not a subject.
(A) as he regarded himself an ally, not
(B) that he regarded himself to be an ally rather than
(C) as he considered himself an ally, not
(D) that he considered himself to be ally instead of
(E) as he considered himself as an ally rather than

6. An artistic presence of the first order, one frequently ranked with Picasso, Stravinsky, and James Joyce, Martha Graham was acclaimed as a great dancer long before her innovative masterworks made her the most honored of American choreographers.
(A) Martha Graham was acclaimed as
(B) Martha Graham was acclaimed to be
(C) Martha Graham’s acclaim is as
(D) Martha Graham’s acclaim to be
(E) Martha Graham’s acclaim was in being

7. Research during the past several decades on the nature of language and the processes that produce and make it understandable has revealed great complexity instead of underlying simplicity.
(A) that produce and make it understandable has revealed great complexity instead of underlying simplicity
(B) of producing and understanding it have revealed not underlying simplicity but great complexity
(C) by which it is produced and understood has revealed not underlying simplicity but great complexity
(D) by which it is produced and understood have revealed great complexity rather than underlying simplicity
(E) by which one produces and understands it have revealed great complexity instead of underlying simplicity

8. The metabolic rate of sharks is low compared with the rates of most other fishes.
(A) with the rates of most other fishes
(B) to most other fishes’ rate
(C) to that of rates for most other fishes
(D) to most other fishes
(E) with most other fishes

9. Even as they never forgave the Crusaders who overran their homeland, the Syrians have never absolved the French for taking territory from them.
(A) Even as they never forgave
(B) While they never forgave
(C) Just like they never forgave
(D) Similarly to not forgiving
(E) In spite of their never forgiving

10. The data collected by weather airplanes that fly into the heart of a hurricane are useful mainly for gauging the storm’s structure and strength, not for the speed and the path of their movement.
(A) not for the speed and the path of their movement
(B) not for the speed and path of its movement
(C) not the speed and path of its movement
(D) and not the speed and path of their movements
(E) and not for the speed and the path of its movements

11. Unlike the United States, Japanese unions appear reluctant to organize lower-paid workers.
(A) Unlike the United States, Japanese unions appear reluctant to organize
(B) Unlike those in the United States, Japanese unions appear reluctant to organize
(C) In Japan, unlike the United States, unions appear reluctant to organize
(D) Japanese unions, unlike the United States, appear reluctant to organize
(E) Japanese unions, unlike those in the United States, appear reluctant about organizing

[1] [2]