1. Most laboratory and field studies of human behavior _____ taking a situational photograph at a given time and in a given place.
A. attach
B. compose
C. involve
D. enclose
2. You can hire a bicycle in many places. Usually you´ll have to pay a _____.
A. deposit
B. deal
C. fare
D. fond
3. Dr. Smith was always _____ the poor and the sick, often providing them with free medical care.
A. tended by
B. absorbed in
C. reminded of
D. concerned about
【参考答案】
C A D
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