问题补充:
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
答案:
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。