The oscillator was easier to use, more stable, and less expensive than others available at
A. changeable
B. unchanging
C. diverse
D. strong
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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
More than 1000, 000 Americans die of lung cancer every year.
A. Right
B. Wrong
C. Not mentioned
Too much vitamin-A supplements can be poisonous.
A. Right
B. Wrong
C. Not mentioned