There is an apparent link between lung cancer and vitamin A.
A. Right
B. Wrong
C. Not mentioned
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Major manufacturers have been using "quality circle" with undeniable success for more them
A. 100 years
B. 20 years
C. 50 years
D. 10 years
The oscillator was easier to use, more stable, and less expensive than others available at
A. changeable
B. unchanging
C. diverse
D. strong
Major product categories encompass electronic test and measuring instruments, solid-state
A. round
B. include
C. around
D. and
Companies whose profits do not exceed $ 1500 in any one year may opt to pay income tax at
A. choose
B. operate
C. manage
D. decide