2.By “held back” (Line 1) the author means “________”.
A. made to remain in the same classes
B. forced to study in the lower classes
C. drawn to their studies
D. prevented from advancing
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20.Likewise, when the 40 m.p.h. speed limit was _________ on a number of roads in London in the late fifties, there was a 28 percent reduction in serious accidents.
A. proposed
B. imposed
C. supposed
D. composed
19.As an economist, he was able to throw _________ on the problem
A. height
B. plight
C. light
D. flight
18.His glowing descriptions of a classless society where anyone could__________success through honesty and hard work fired the imaginations of many European readers.
A. attain
B. retain
C. detain
D. contain
17.In the heat of battle, players have been observed to throw themselves across the court without considering the _________ that such a move might have on anyone in their way.
A. results
B. effects
C. expectations
D. consequences