___ a person or society means to educate them and improve their way of life.
A. change
B. improve
C. civilize
D. civil
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If something is of __ size, it is neither large nor small, but approximately halfway between the two.
A. medium
B. midterm
C. intermediate
A ________ dose produces severe nausea within hours.
A. measure
B. means
C. method
D. medium
Honeybees use one of the most ____________communication systems of any insect.
A. complex
B. complicated
C. sophisticated
D. intricate
The insurance industry has produced its own proposals for ____ health care.
A. popular
B. normal
C. universal
D. general