Today's technology allows manufacturers to make small cars more fuel-efficient now than at any time in their production history.
(A) small cars more fuel-efficient now than at any time in their
(B) small cars that are more fuel-efficient than they were at any time in their
(C) small cars that are more fuel-efficient than those at any other time in
(D) more fuel-efficient small cars than those at any other time in their
(E) more fuel-efficient small cars now than at any time in
the key:C
Two new studies indicate that many people become obese more due to the fact that their bodies burn calories too slowly than overeating.
(A) due to the fact that their bodies burn calories too slowly than overeating
(B) due to their bodies burning calories too slowly than to eating too much
(C) because their bodies burn calories too slowly than that they are overeaters
(D) because their bodies burn calories too slowly than because they eat too much
(E) because of their bodies burning calories too slowly than because of their eating too much
the key:D
