A balance used for weighing drugs or jewels must be a ______ instrument, but this would be quite unsuitable for weighing coal, sand or blocks of stone.
A. distinction
B. correction
C. precaution
D. precision
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______ what has been said, it is unlike that population growth will be halted, either in the developed or in the undeveloped world.
A. In view of
B. On behalf of
C. For the sake of
D. With the exception of
This new book has received several reviews since its publication; but none of them have made a just ______ of the book.
A. calculation
B. evaluation
C. profit
D. register
Motorcyclists should wear helmets to ______ them from injury.
A. save
B. shield
C. shelter
D. defend
The spy gave General Washington a ______ report on enemy activities.
A. confident
B. influential
C. confidential
D. substantial