In order to make students have a good knowledge of science subjects, they are encouraged to their own science experiments.
A. operate
B. direct
C. manage
D. conduct
网友回答
A. operate
B. direct
C. manage
(答案→)D. conduct
解析：conduct意思为 “进行; 实施”；conduct an experiment做实验。operate 操作；开动(机器)等；direct管理；导演；manage 管理；处理；操纵。