单项选择题

Most laboratory and field studies of human behavior ______ taking a situational photograph at a given time and in a given place.

A. involve
B. compose
C. enclose
D. attach
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单项选择题
It’s good to know that quite a few popular English expressions actually（）from the Bible.

A. acquire
B. obtain
C. derive
D. result
单项选择题
Though she began her（）by singing in a local pop group, she is now a famous Hollywood movie star.

A. employment
B. career
C. occupation
D. profession
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